diff --git a/README.md b/README.md
index 5c8ba93..9a033dd 100644
--- a/README.md
+++ b/README.md
@@ -87,18 +87,22 @@ Works well on Heroku (you'll need `JawsDB Maria` addon)
 Set them as env variables or put them into `.env` file in project root dir.
 
 - `JAWSDB_MARIA_URL` for example `mysql://username:password@host:port/database`
-- `FCM_SERVER_KEY` hex encoded
+- ~~`FCM_SERVER_KEY` hex encoded~~ deprecated (in favor of json key file) after FCM XMPP and HTTP legacy APIs was deprecated; the new one is HTTP v1 API; theres also a new uri to post payload
 - `APNS_P8` hex encoded
 - `APNS_P8_KID` issuer key which is "key ID" of your p8 file
 - `APPLE_TEAM_ID` "team ID" of your developer account
 - `BITCOIN_RPC` for example `http://username:password@host:8332`
 - `APNS_TOPIC` for example `io.bluewallet.bluewallet`
+- `GOOGLE_KEY_FILE` - json file with Google key for FCM, in hex
+- `GOOGLE_PROJECT_ID` - acquired with the key file
+
 
 ### Getting certificates
 
 - outdated https://dev.to/jakubkoci/react-native-push-notifications-313i
 - https://stackoverflow.com/questions/44631803/ios-swift-how-to-create-p8-file/67533665#67533665
-- get P8 hex `xxd -p file.p8 | tr -d '\n'`
+- get P8 hex `xxd -p file.p8 | tr -d '\n'` (google key file as well)
+- https://firebase.google.com/docs/cloud-messaging/migrate-v1
 
 ### License
 
diff --git a/package-lock.json b/package-lock.json
index caf2163..c70f4dd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "groundcontrol",
-  "version": "2.3.4",
+  "version": "3.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
@@ -13,6 +13,7 @@
         "dotenv": "^16.0.2",
         "express": "^4.21.1",
         "express-rate-limit": "^6.6.0",
+        "google-auth-library": "^9.15.0",
         "helmet": "^5.1.0",
         "jayson": "^3.6.6",
         "jsonwebtoken": "^9.0.0",
@@ -173,6 +174,15 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/agent-base": {
+      "version": "7.1.3",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.3.tgz",
+      "integrity": "sha512-jRR5wdylq8CkOe6hei19GGZnxM6rBGwFl3Bg0YItGDimvjGtAvdZk4Pu6Cl4u4Igsws4a1fd1Vq3ezrhn4KmFw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 14"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -234,6 +244,15 @@
         }
       ]
     },
+    "node_modules/bignumber.js": {
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz",
+      "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==",
+      "license": "MIT",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/body-parser": {
       "version": "1.20.3",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
@@ -720,6 +739,12 @@
         }
       ]
     },
+    "node_modules/extend": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
+      "license": "MIT"
+    },
     "node_modules/eyes": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
@@ -807,6 +832,68 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/gaxios": {
+      "version": "6.7.1",
+      "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-6.7.1.tgz",
+      "integrity": "sha512-LDODD4TMYx7XXdpwxAVRAIAuB0bzv0s+ywFonY46k126qzQHT9ygyoa9tncmOiQmmDrik65UYsEkv3lbfqQ3yQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "extend": "^3.0.2",
+        "https-proxy-agent": "^7.0.1",
+        "is-stream": "^2.0.0",
+        "node-fetch": "^2.6.9",
+        "uuid": "^9.0.1"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/gaxios/node_modules/node-fetch": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/gaxios/node_modules/uuid": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",
+      "integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
+    "node_modules/gcp-metadata": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-6.1.0.tgz",
+      "integrity": "sha512-Jh/AIwwgaxan+7ZUUmRLCjtchyDiqh4KjBJ5tW3plBZb5iL/BPcso8A5DlzeD9qlw0duCamnNdpFjxwaT0KyKg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "gaxios": "^6.0.0",
+        "json-bigint": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/generate-function": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
@@ -871,6 +958,44 @@
       "integrity": "sha512-uHJgbwAMwNFf5mLst7IWLNg14x1CkeqglJb/K3doi4dw6q2IvAAmM/Y81kevy83wP+Sst+nutFTYOGg3d1lsxg==",
       "dev": true
     },
+    "node_modules/google-auth-library": {
+      "version": "9.15.0",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-9.15.0.tgz",
+      "integrity": "sha512-7ccSEJFDFO7exFbO6NRyC+xH8/mZ1GZGG2xxx9iHxZWcjUjJpjWxIMw3cofAKcueZ6DATiukmmprD7yavQHOyQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "base64-js": "^1.3.0",
+        "ecdsa-sig-formatter": "^1.0.11",
+        "gaxios": "^6.1.1",
+        "gcp-metadata": "^6.1.0",
+        "gtoken": "^7.0.0",
+        "jws": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/google-auth-library/node_modules/jwa": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.0.tgz",
+      "integrity": "sha512-jrZ2Qx916EA+fq9cEAeCROWPTfCwi1IVHqT2tapuqLEVVDKFDENFw1oL+MwrTvH6msKxsd1YTDVw6uKEcsrLEA==",
+      "license": "MIT",
+      "dependencies": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/google-auth-library/node_modules/jws": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-4.0.0.tgz",
+      "integrity": "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg==",
+      "license": "MIT",
+      "dependencies": {
+        "jwa": "^2.0.0",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/gopd": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
@@ -882,6 +1007,40 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/gtoken": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/gtoken/-/gtoken-7.1.0.tgz",
+      "integrity": "sha512-pCcEwRi+TKpMlxAQObHDQ56KawURgyAf6jtIY046fJ5tIv3zDe/LEIubckAO8fj6JnAxLdmWkUfNyulQ2iKdEw==",
+      "license": "MIT",
+      "dependencies": {
+        "gaxios": "^6.0.0",
+        "jws": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/gtoken/node_modules/jwa": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.0.tgz",
+      "integrity": "sha512-jrZ2Qx916EA+fq9cEAeCROWPTfCwi1IVHqT2tapuqLEVVDKFDENFw1oL+MwrTvH6msKxsd1YTDVw6uKEcsrLEA==",
+      "license": "MIT",
+      "dependencies": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/gtoken/node_modules/jws": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-4.0.0.tgz",
+      "integrity": "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg==",
+      "license": "MIT",
+      "dependencies": {
+        "jwa": "^2.0.0",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/has-property-descriptors": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
@@ -957,6 +1116,42 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/https-proxy-agent": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-7.0.6.tgz",
+      "integrity": "sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "^7.1.2",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/debug": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -1022,6 +1217,18 @@
       "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
       "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
     },
+    "node_modules/is-stream": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
+      "integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/isomorphic-ws": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz",
@@ -1075,6 +1282,15 @@
         "js-yaml": "bin/js-yaml.js"
       }
     },
+    "node_modules/json-bigint": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
+      "integrity": "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==",
+      "license": "MIT",
+      "dependencies": {
+        "bignumber.js": "^9.0.0"
+      }
+    },
     "node_modules/json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
@@ -1770,6 +1986,12 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "license": "MIT"
+    },
     "node_modules/ts-node": {
       "version": "10.9.1",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.1.tgz",
@@ -2133,6 +2355,22 @@
         "node": ">= 8"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -2375,6 +2613,11 @@
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
       "integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA=="
     },
+    "agent-base": {
+      "version": "7.1.3",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.3.tgz",
+      "integrity": "sha512-jRR5wdylq8CkOe6hei19GGZnxM6rBGwFl3Bg0YItGDimvjGtAvdZk4Pu6Cl4u4Igsws4a1fd1Vq3ezrhn4KmFw=="
+    },
     "ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -2416,6 +2659,11 @@
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
       "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
     },
+    "bignumber.js": {
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz",
+      "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug=="
+    },
     "body-parser": {
       "version": "1.20.3",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
@@ -2759,6 +3007,11 @@
       "integrity": "sha512-HFN2+4ZGdkQOS8Qli4z6knmJFnw6lZed67o6b7RGplWeb1Z0s8VXaj3dUgPIdm9hrhZXTRpCTHXA0/2Eqex0vA==",
       "requires": {}
     },
+    "extend": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
+    },
     "eyes": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
@@ -2815,6 +3068,42 @@
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
       "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA=="
     },
+    "gaxios": {
+      "version": "6.7.1",
+      "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-6.7.1.tgz",
+      "integrity": "sha512-LDODD4TMYx7XXdpwxAVRAIAuB0bzv0s+ywFonY46k126qzQHT9ygyoa9tncmOiQmmDrik65UYsEkv3lbfqQ3yQ==",
+      "requires": {
+        "extend": "^3.0.2",
+        "https-proxy-agent": "^7.0.1",
+        "is-stream": "^2.0.0",
+        "node-fetch": "^2.6.9",
+        "uuid": "^9.0.1"
+      },
+      "dependencies": {
+        "node-fetch": {
+          "version": "2.7.0",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+          "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+          "requires": {
+            "whatwg-url": "^5.0.0"
+          }
+        },
+        "uuid": {
+          "version": "9.0.1",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",
+          "integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA=="
+        }
+      }
+    },
+    "gcp-metadata": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-6.1.0.tgz",
+      "integrity": "sha512-Jh/AIwwgaxan+7ZUUmRLCjtchyDiqh4KjBJ5tW3plBZb5iL/BPcso8A5DlzeD9qlw0duCamnNdpFjxwaT0KyKg==",
+      "requires": {
+        "gaxios": "^6.0.0",
+        "json-bigint": "^1.0.0"
+      }
+    },
     "generate-function": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
@@ -2864,6 +3153,40 @@
       "integrity": "sha512-uHJgbwAMwNFf5mLst7IWLNg14x1CkeqglJb/K3doi4dw6q2IvAAmM/Y81kevy83wP+Sst+nutFTYOGg3d1lsxg==",
       "dev": true
     },
+    "google-auth-library": {
+      "version": "9.15.0",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-9.15.0.tgz",
+      "integrity": "sha512-7ccSEJFDFO7exFbO6NRyC+xH8/mZ1GZGG2xxx9iHxZWcjUjJpjWxIMw3cofAKcueZ6DATiukmmprD7yavQHOyQ==",
+      "requires": {
+        "base64-js": "^1.3.0",
+        "ecdsa-sig-formatter": "^1.0.11",
+        "gaxios": "^6.1.1",
+        "gcp-metadata": "^6.1.0",
+        "gtoken": "^7.0.0",
+        "jws": "^4.0.0"
+      },
+      "dependencies": {
+        "jwa": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.0.tgz",
+          "integrity": "sha512-jrZ2Qx916EA+fq9cEAeCROWPTfCwi1IVHqT2tapuqLEVVDKFDENFw1oL+MwrTvH6msKxsd1YTDVw6uKEcsrLEA==",
+          "requires": {
+            "buffer-equal-constant-time": "1.0.1",
+            "ecdsa-sig-formatter": "1.0.11",
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "jws": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/jws/-/jws-4.0.0.tgz",
+          "integrity": "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg==",
+          "requires": {
+            "jwa": "^2.0.0",
+            "safe-buffer": "^5.0.1"
+          }
+        }
+      }
+    },
     "gopd": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
@@ -2872,6 +3195,36 @@
         "get-intrinsic": "^1.1.3"
       }
     },
+    "gtoken": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/gtoken/-/gtoken-7.1.0.tgz",
+      "integrity": "sha512-pCcEwRi+TKpMlxAQObHDQ56KawURgyAf6jtIY046fJ5tIv3zDe/LEIubckAO8fj6JnAxLdmWkUfNyulQ2iKdEw==",
+      "requires": {
+        "gaxios": "^6.0.0",
+        "jws": "^4.0.0"
+      },
+      "dependencies": {
+        "jwa": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.0.tgz",
+          "integrity": "sha512-jrZ2Qx916EA+fq9cEAeCROWPTfCwi1IVHqT2tapuqLEVVDKFDENFw1oL+MwrTvH6msKxsd1YTDVw6uKEcsrLEA==",
+          "requires": {
+            "buffer-equal-constant-time": "1.0.1",
+            "ecdsa-sig-formatter": "1.0.11",
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "jws": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/jws/-/jws-4.0.0.tgz",
+          "integrity": "sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg==",
+          "requires": {
+            "jwa": "^2.0.0",
+            "safe-buffer": "^5.0.1"
+          }
+        }
+      }
+    },
     "has-property-descriptors": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
@@ -2920,6 +3273,30 @@
         "toidentifier": "1.0.1"
       }
     },
+    "https-proxy-agent": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-7.0.6.tgz",
+      "integrity": "sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==",
+      "requires": {
+        "agent-base": "^7.1.2",
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.4.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+          "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+          "requires": {
+            "ms": "^2.1.3"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
     "iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -2962,6 +3339,11 @@
       "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
       "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
     },
+    "is-stream": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
+      "integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg=="
+    },
     "isomorphic-ws": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz",
@@ -3006,6 +3388,14 @@
         "argparse": "^2.0.1"
       }
     },
+    "json-bigint": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
+      "integrity": "sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==",
+      "requires": {
+        "bignumber.js": "^9.0.0"
+      }
+    },
     "json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
@@ -3518,6 +3908,11 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
       "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
+    },
     "ts-node": {
       "version": "10.9.1",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.1.tgz",
@@ -3709,6 +4104,20 @@
       "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz",
       "integrity": "sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q=="
     },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
diff --git a/package.json b/package.json
index cebc641..24eec2d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "groundcontrol",
-  "version": "2.3.4",
+  "version": "3.0.0",
   "description": "GroundControl push server API",
   "devDependencies": {
     "@types/node": "18.7.16",
@@ -13,6 +13,7 @@
     "dotenv": "^16.0.2",
     "express": "^4.21.1",
     "express-rate-limit": "^6.6.0",
+    "google-auth-library": "^9.15.0",
     "helmet": "^5.1.0",
     "jayson": "^3.6.6",
     "jsonwebtoken": "^9.0.0",
diff --git a/src/class/GroundControlToMajorTom.ts b/src/class/GroundControlToMajorTom.ts
index 9b91025..a404300 100644
--- a/src/class/GroundControlToMajorTom.ts
+++ b/src/class/GroundControlToMajorTom.ts
@@ -1,3 +1,4 @@
+import { GoogleAuth } from "google-auth-library";
 import { DataSource } from "typeorm";
 import { PushLog } from "../entity/PushLog";
 import { TokenToAddress } from "../entity/TokenToAddress";
@@ -8,11 +9,18 @@ const jwt = require("jsonwebtoken");
 const http2 = require("http2");
 require("dotenv").config();
 
-if (!process.env.APNS_P8 || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID || !process.env.FCM_SERVER_KEY) {
+if (!process.env.APNS_P8 || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID || !process.env.GOOGLE_KEY_FILE || !process.env.GOOGLE_PROJECT_ID) {
   console.error("not all env variables set");
   process.exit();
 }
 
+const keyFileStr = Buffer.from(process.env.GOOGLE_KEY_FILE, "hex").toString("ascii");
+require('fs').writeFileSync('/tmp/google_key_file.json', keyFileStr, {encoding: "ascii"});
+const auth = new GoogleAuth({
+  keyFile: '/tmp/google_key_file.json',
+  scopes: 'https://www.googleapis.com/auth/cloud-platform',
+});
+
 /**
  * Since we cant attach any code to openapi schema definition, this is a repository of transforming pushnotification object
  * (thats created from apenapi schema) to actual payload thats gona be pushed to fcm/apns. In most basic case we would
@@ -29,8 +37,10 @@ export class GroundControlToMajorTom {
   protected static _jwtToken: string = "";
   protected static _jwtTokenMicroTimestamp: number = 0;
 
-  static getGoogleServerKey() {
-    return process.env.FCM_SERVER_KEY;
+  static async getGoogleCredentials() {
+    const client = await auth.getClient();
+    const accessTokenResponse = await client.getAccessToken();
+    return accessTokenResponse.token; // `accessTokenResponse.token` contains the short-lived access token
   }
 
   static getApnsJwtToken(): string {
@@ -64,15 +74,19 @@ export class GroundControlToMajorTom {
     serverKey: string,
     apnsP8: string,
     pushNotification: components["schemas"]["PushNotificationOnchainAddressGotUnconfirmedTransaction"]
-  ): Promise<[object, object]> {
+  ): Promise<void> {
     const fcmPayload = {
-      data: {},
-      notification: {
-        title: "New unconfirmed transaction",
-        body: "You received new transfer on " + GroundControlToMajorTom.shortenAddress(pushNotification.address),
-        badge: pushNotification.badge,
-        tag: pushNotification.txid,
-      },
+      message: {
+        token: '',
+        data: {
+          badge: String(pushNotification.badge),
+          tag: pushNotification.txid,
+        },
+        notification: {
+          title: "New unconfirmed transaction",
+          body: "You received new transfer on " + GroundControlToMajorTom.shortenAddress(pushNotification.address),
+        },
+      }
     };
 
     const apnsPayload = {
@@ -91,14 +105,17 @@ export class GroundControlToMajorTom {
     if (pushNotification.os === "ios") return GroundControlToMajorTom._pushToApns(dataSource, apnsP8, pushNotification.token, apnsPayload, pushNotification, pushNotification.txid);
   }
 
-  static async pushOnchainTxidGotConfirmed(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationTxidGotConfirmed"]): Promise<[object, object]> {
+  static async pushOnchainTxidGotConfirmed(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationTxidGotConfirmed"]): Promise<void> {
     const fcmPayload = {
-      data: {},
-      notification: {
-        title: "Transaction - Confirmed",
-        body: "Your transaction " + GroundControlToMajorTom.shortenTxid(pushNotification.txid) + " has been confirmed",
-        badge: pushNotification.badge,
-        tag: pushNotification.txid,
+      message: {
+        data: {
+          badge: String(pushNotification.badge),
+          tag: pushNotification.txid,
+        },
+        notification: {
+          title: "Transaction - Confirmed",
+          body: "Your transaction " + GroundControlToMajorTom.shortenTxid(pushNotification.txid) + " has been confirmed",
+        },
       },
     };
 
@@ -118,12 +135,14 @@ export class GroundControlToMajorTom {
     if (pushNotification.os === "ios") return GroundControlToMajorTom._pushToApns(dataSource, apnsP8, pushNotification.token, apnsPayload, pushNotification, pushNotification.txid);
   }
 
-  static async pushMessage(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationMessage"]): Promise<[object, object]> {
+  static async pushMessage(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationMessage"]): Promise<void> {
     const fcmPayload = {
-      data: {},
-      notification: {
-        title: "Message",
-        body: pushNotification.text,
+      message: {
+        data: {},
+        notification: {
+          title: "Message",
+          body: pushNotification.text,
+        },
       },
     };
 
@@ -143,15 +162,19 @@ export class GroundControlToMajorTom {
     if (pushNotification.os === "ios") return GroundControlToMajorTom._pushToApns(dataSource, apnsP8, pushNotification.token, apnsPayload, pushNotification, pushNotification.txid);
   }
 
-  static async pushOnchainAddressWasPaid(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationOnchainAddressGotPaid"]): Promise<[object, object]> {
+  static async pushOnchainAddressWasPaid(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationOnchainAddressGotPaid"]): Promise<void> {
     const fcmPayload = {
-      data: {},
-      notification: {
-        title: "+" + pushNotification.sat + " sats",
-        body: "Received on " + GroundControlToMajorTom.shortenAddress(pushNotification.address),
-        badge: pushNotification.badge,
-        tag: pushNotification.txid,
-      },
+      message: {
+        token: '',
+        data: {
+          badge: String(pushNotification.badge),
+          tag: pushNotification.txid,
+        },
+        notification: {
+          title: "+" + pushNotification.sat + " sats",
+          body: "Received on " + GroundControlToMajorTom.shortenAddress(pushNotification.address),
+        },
+      }
     };
 
     const apnsPayload = {
@@ -170,14 +193,17 @@ export class GroundControlToMajorTom {
     if (pushNotification.os === "ios") return GroundControlToMajorTom._pushToApns(dataSource, apnsP8, pushNotification.token, apnsPayload, pushNotification, pushNotification.txid);
   }
 
-  static async pushLightningInvoicePaid(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationLightningInvoicePaid"]): Promise<[object, object]> {
+  static async pushLightningInvoicePaid(dataSource: DataSource, serverKey: string, apnsP8: string, pushNotification: components["schemas"]["PushNotificationLightningInvoicePaid"]): Promise<void> {
     const fcmPayload = {
-      data: {},
-      notification: {
-        body: "Paid: " + (pushNotification.memo || "your invoice"),
-        title: "+" + pushNotification.sat + " sats",
-        badge: pushNotification.badge,
-        tag: pushNotification.hash,
+      message: {
+        data: {
+          badge: String(pushNotification.badge),
+          tag: pushNotification.hash,
+        },
+        notification: {
+          body: "Paid: " + (pushNotification.memo || "your invoice"),
+          title: "+" + pushNotification.sat + " sats",
+        },
       },
     };
 
@@ -197,7 +223,7 @@ export class GroundControlToMajorTom {
     if (pushNotification.os === "ios") return GroundControlToMajorTom._pushToApns(dataSource, apnsP8, pushNotification.token, apnsPayload, pushNotification, pushNotification.hash);
   }
 
-  protected static async _pushToApns(dataSource: DataSource, apnsP8: string, token: string, apnsPayload: object, pushNotification: components["schemas"]["PushNotificationBase"], collapseId): Promise<[object, object]> {
+  protected static async _pushToApns(dataSource: DataSource, apnsP8: string, token: string, apnsPayload: object, pushNotification: components["schemas"]["PushNotificationBase"], collapseId): Promise<void> {
     return new Promise(function (resolve) {
       // we pass some of the notification properties as data properties to FCM payload:
       for (let dataKey of Object.keys(pushNotification)) {
@@ -239,7 +265,7 @@ export class GroundControlToMajorTom {
           success: responseJson[":status"] === 200,
         });
 
-        resolve([apnsPayload, responseJson]);
+        resolve();
       });
 
       request.setEncoding("utf8");
@@ -267,48 +293,50 @@ export class GroundControlToMajorTom {
           success: responseJson[":status"] === 200,
         });
 
-        resolve([apnsPayload, responseJson]);
+        resolve();
       });
       request.end();
     });
   }
 
-  protected static async _pushToFcm(dataSource: DataSource, serverKey: string, token: string, fcmPayload: object, pushNotification: components["schemas"]["PushNotificationBase"]): Promise<[object, object]> {
-    fcmPayload["to"] = token;
-    fcmPayload["priority"] = "high";
+  protected static async _pushToFcm(dataSource: DataSource, bearer: string, token: string, fcmPayload: object, pushNotification: components["schemas"]["PushNotificationBase"]): Promise<void> {
+    fcmPayload["message"]["token"] = token;
 
     // now, we pass some of the notification properties as data properties to FCM payload:
     for (let dataKey of Object.keys(pushNotification)) {
       if (["token", "os", "badge"].includes(dataKey)) continue;
-      fcmPayload["data"][dataKey] = pushNotification[dataKey];
+      fcmPayload["message"]["data"][dataKey] = String(pushNotification[dataKey]);
     }
 
     // @ts-ignore
-    const rawResponse = await fetch("https://fcm.googleapis.com/fcm/send", {
+    const rawResponse = await fetch(`https://fcm.googleapis.com/v1/projects/${process.env.GOOGLE_PROJECT_ID}/messages:send`, {
       method: "POST",
       headers: {
-        Authorization: "key=" + serverKey,
+        Authorization: `Bearer ${bearer}`,
         "Content-Type": "application/json",
-        Host: "fcm.googleapis.com",
       },
       body: JSON.stringify(Object.assign({}, fcmPayload)),
     });
-    const responseJson = await rawResponse.json();
 
-    delete fcmPayload["to"]; // compacting a bit, we dont need token in payload as well
+    let responseText: string;
+    try {
+      responseText = await rawResponse.text();
+    } catch (error) {
+        console.error("error getting response from FCM", error);
+    }
+
+    delete fcmPayload["message"]["token"]; // compacting a bit, we dont need token in payload as well
 
-    GroundControlToMajorTom.processFcmResponse(dataSource, responseJson, token);
+    const success = GroundControlToMajorTom.processFcmResponse(dataSource, responseText, token);
 
     const PushLogRepository = dataSource.getRepository(PushLog);
     await PushLogRepository.save({
       token: token,
       os: "android",
       payload: JSON.stringify(fcmPayload),
-      response: JSON.stringify(responseJson),
-      success: !!responseJson["success"],
+      response: responseText,
+      success,
     });
-
-    return [fcmPayload, responseJson];
   }
 
   static async killDeadToken(dataSource: DataSource, token: string) {
@@ -318,21 +346,45 @@ export class GroundControlToMajorTom {
     await dataSource.getRepository(TokenToHash).createQueryBuilder().delete().where("token = :token", { token }).execute();
   }
 
-  static processFcmResponse(dataSource: DataSource, response, token: string) {
-    if (response && response.results && Array.isArray(response.results) && response.results.length === 1) {
-      if (response.results[0] && response.results[0].error && ["NotRegistered"].includes(response.results[0].error)) {
-        return GroundControlToMajorTom.killDeadToken(dataSource, token);
+  static processFcmResponse(dataSource: DataSource, responseText: string, token: string): boolean {
+    try {
+      const response = JSON.parse(responseText);
+
+      if (response?.error) {
+        if (response.error.code === 404) {
+          GroundControlToMajorTom.killDeadToken(dataSource, token);
+          return false;
+        }
+
+        // additonal check for the same thing, just for any case
+        if (Array.isArray(response?.error?.details)) {
+          for (const detail of response.error.details) {
+            if (detail.errorCode === "UNREGISTERED") {
+              GroundControlToMajorTom.killDeadToken(dataSource, token);
+              return false;
+            }
+          }
+        }
       }
-    } else if (response && response.results && Array.isArray(response.results) && response.results.length !== 1) {
-      console.error("Expected only single result in FCM response, cant handle batch responses yet (zero response also means smth is wrong):", response);
+
+      if (response?.name) {
+        // thats a sign that payload is accepted and might be delivered
+        return true;
+      }
+    } catch (_) {
+      console.error("error parsing FCM response", responseText);
+      return false;
     }
+
+    return false;
   }
 
   static processApnsResponse(dataSource: DataSource, response, token: string) {
     if (response && response.data) {
       try {
+        console.log('parsing', response.data);
         const data = JSON.parse(response.data);
-        if (data && data.reason && ["Unregistered", "BadDeviceToken"].includes(data.reason)) return GroundControlToMajorTom.killDeadToken(dataSource, token);
+        if (data && data.reason && ["Unregistered", "BadDeviceToken", "DeviceTokenNotForTopic"].includes(data.reason)) return GroundControlToMajorTom.killDeadToken(dataSource, token);
       } catch (_) {}
     }
   }
diff --git a/src/controller/GroundController.ts b/src/controller/GroundController.ts
index 4494cb0..8fb96c9 100644
--- a/src/controller/GroundController.ts
+++ b/src/controller/GroundController.ts
@@ -11,7 +11,7 @@ import dataSource from "../data-source";
 import { paths, components } from "../openapi/api";
 require("dotenv").config();
 const pck = require("../../package.json");
-if (!process.env.JAWSDB_MARIA_URL || !process.env.FCM_SERVER_KEY || !process.env.APNS_P8 || !process.env.APNS_TOPIC || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID) {
+if (!process.env.JAWSDB_MARIA_URL || !process.env.GOOGLE_KEY_FILE || !process.env.APNS_P8 || !process.env.APNS_TOPIC || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID || !process.env.GOOGLE_PROJECT_ID) {
   console.error("not all env variables set");
   process.exit();
 }
@@ -19,6 +19,9 @@ if (!process.env.JAWSDB_MARIA_URL || !process.env.FCM_SERVER_KEY || !process.env
 const LAST_PROCESSED_BLOCK = "LAST_PROCESSED_BLOCK";
 
 const ADDRESS_IGNORE_LIST = [
+  "1NXNHZr6Pbzi3VStcgaxwEhspTWNXQ3Q4G",
+  "bc1qee7hk4a3k3km7j8hwclm0pkl76dhhgxay5nevu",
+  "bc1qclyfsxuu8vcwq38yygs5zrskwacq8sjlyvk9mx",
   "bc1qltxjty7xfrnkzlrhmxpcekknr3uncne8sht7rn",
   "bc1qwqdg6squsna38e46795at95yu9atm8azzmyvckulcc7kytlcckxswvvzej",
   "bc1qw8wrek2m7nlqldll66ajnwr9mh64syvkt67zlu",
diff --git a/src/index.ts b/src/index.ts
index 742c4e5..577dd79 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,7 @@ import dataSource from "./data-source";
 require("dotenv").config();
 const helmet = require("helmet");
 const cors = require("cors");
-if (!process.env.JAWSDB_MARIA_URL || !process.env.FCM_SERVER_KEY || !process.env.APNS_P8 || !process.env.APNS_TOPIC) {
+if (!process.env.JAWSDB_MARIA_URL || !process.env.GOOGLE_KEY_FILE || !process.env.APNS_P8 || !process.env.APNS_TOPIC || !process.env.GOOGLE_PROJECT_ID) {
   console.error("not all env variables set");
   process.exit();
 }
diff --git a/src/worker-sender.ts b/src/worker-sender.ts
index 20573f4..d6efacc 100644
--- a/src/worker-sender.ts
+++ b/src/worker-sender.ts
@@ -6,7 +6,7 @@ import { NOTIFICATION_LEVEL_NEWS, NOTIFICATION_LEVEL_PRICE, NOTIFICATION_LEVEL_T
 import dataSource from "./data-source";
 import { components } from "./openapi/api";
 require("dotenv").config();
-if (!process.env.FCM_SERVER_KEY || !process.env.APNS_P8 || !process.env.APNS_TOPIC || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID) {
+if (!process.env.GOOGLE_KEY_FILE || !process.env.APNS_P8 || !process.env.APNS_TOPIC || !process.env.APPLE_TEAM_ID || !process.env.APNS_P8_KID || !process.env.GOOGLE_PROJECT_ID) {
   console.error("not all env variables set");
   process.exit();
 }
@@ -107,31 +107,31 @@ dataSource
         case 2:
           payload = <components["schemas"]["PushNotificationOnchainAddressGotPaid"]>payload;
           process.env.VERBOSE && console.log("pushing to token", payload.token, payload.os);
-          await GroundControlToMajorTom.pushOnchainAddressWasPaid(connection, GroundControlToMajorTom.getGoogleServerKey(), GroundControlToMajorTom.getApnsJwtToken(), payload);
+          await GroundControlToMajorTom.pushOnchainAddressWasPaid(connection, await GroundControlToMajorTom.getGoogleCredentials(), GroundControlToMajorTom.getApnsJwtToken(), payload);
           await sendQueueRepository.remove(record);
           break;
         case 3:
           payload = <components["schemas"]["PushNotificationOnchainAddressGotUnconfirmedTransaction"]>payload;
           process.env.VERBOSE && console.log("pushing to token", payload.token, payload.os);
-          await GroundControlToMajorTom.pushOnchainAddressGotUnconfirmedTransaction(connection, GroundControlToMajorTom.getGoogleServerKey(), GroundControlToMajorTom.getApnsJwtToken(), payload);
+          await GroundControlToMajorTom.pushOnchainAddressGotUnconfirmedTransaction(connection, await GroundControlToMajorTom.getGoogleCredentials(), GroundControlToMajorTom.getApnsJwtToken(), payload);
           await sendQueueRepository.remove(record);
           break;
         case 1:
           payload = <components["schemas"]["PushNotificationLightningInvoicePaid"]>payload;
           process.env.VERBOSE && console.log("pushing to token", payload.token, payload.os);
-          await GroundControlToMajorTom.pushLightningInvoicePaid(connection, GroundControlToMajorTom.getGoogleServerKey(), GroundControlToMajorTom.getApnsJwtToken(), payload);
+          await GroundControlToMajorTom.pushLightningInvoicePaid(connection, await GroundControlToMajorTom.getGoogleCredentials(), GroundControlToMajorTom.getApnsJwtToken(), payload);
           await sendQueueRepository.remove(record);
           break;
         case 4:
           payload = <components["schemas"]["PushNotificationTxidGotConfirmed"]>payload;
           process.env.VERBOSE && console.log("pushing to token", payload.token, payload.os);
-          await GroundControlToMajorTom.pushOnchainTxidGotConfirmed(connection, GroundControlToMajorTom.getGoogleServerKey(), GroundControlToMajorTom.getApnsJwtToken(), payload);
+          await GroundControlToMajorTom.pushOnchainTxidGotConfirmed(connection, await GroundControlToMajorTom.getGoogleCredentials(), GroundControlToMajorTom.getApnsJwtToken(), payload);
           await sendQueueRepository.remove(record);
           break;
         case 5:
           payload = <components["schemas"]["PushNotificationMessage"]>payload;
           process.env.VERBOSE && console.log("pushing to token", payload.token, payload.os);
-          await GroundControlToMajorTom.pushMessage(connection, GroundControlToMajorTom.getGoogleServerKey(), GroundControlToMajorTom.getApnsJwtToken(), payload);
+          await GroundControlToMajorTom.pushMessage(connection, await GroundControlToMajorTom.getGoogleCredentials(), GroundControlToMajorTom.getApnsJwtToken(), payload);
           await sendQueueRepository.remove(record);
           break;
         default:
diff --git a/tsconfig.json b/tsconfig.json
index b2e30e8..f016eb9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "skipLibCheck": true,
     "lib": ["es5", "es6"],
     "target": "es5",
     "module": "commonjs",