diff --git a/openapi.json b/openapi.json
index a9df917..d4c1a95 100644
--- a/openapi.json
+++ b/openapi.json
@@ -368,6 +368,108 @@
         }
       }
     },
+    "/integrations/geo-points-svc/v1/public/balances/{nullifier}/verify/external": {
+      "post": {
+        "tags": [
+          "Points balance"
+        ],
+        "summary": "Verify external passport",
+        "description": "Verify passport to unlock event claiming and get reward.\nOne passport can't be verified twice.\n\nIn body must be specified anonymous_id and shared_hash\n\nSome events will be automatically claimed in case if balance is active.\n",
+        "operationId": "verifyExternalPassport",
+        "parameters": [
+          {
+            "$ref": "#/components/parameters/pathNullifier"
+          },
+          {
+            "in": "header",
+            "name": "Signature",
+            "description": "Signature of the request",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "pattern": "^[a-f0-9]{64}$"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/vnd.api+json": {
+              "schema": {
+                "type": "object",
+                "required": [
+                  "data"
+                ],
+                "properties": {
+                  "data": {
+                    "$ref": "#/components/schemas/VerifyPassport"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Success",
+            "content": {
+              "application/vnd.api+json": {
+                "schema": {
+                  "type": "object",
+                  "required": [
+                    "data"
+                  ],
+                  "properties": {
+                    "data": {
+                      "$ref": "#/components/schemas/EventClaimingState"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "$ref": "#/components/responses/invalidParameter"
+          },
+          "401": {
+            "$ref": "#/components/responses/invalidAuth"
+          },
+          "403": {
+            "description": "Invalid signature",
+            "content": {
+              "application/vnd.api+json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Errors"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Balance not exists",
+            "content": {
+              "application/vnd.api+json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Errors"
+                }
+              }
+            }
+          },
+          "409": {
+            "description": "Passport already verified or anonymous ID exists",
+            "content": {
+              "application/vnd.api+json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Errors"
+                }
+              }
+            }
+          },
+          "500": {
+            "$ref": "#/components/responses/internalError"
+          }
+        }
+      }
+    },
     "/integrations/geo-points-svc/v1/public/balances/{nullifier}/verifypassport": {
       "post": {
         "tags": [
@@ -2047,6 +2149,11 @@
                     "description": "Unique identifier of the passport.",
                     "example": "2bd3a2532096fee10a45a40e444a11b4d00a707f3459376087747de05996fbf5"
                   },
+                  "shared_hash": {
+                    "type": "string",
+                    "description": "Unique identifier for linking internal and external passports",
+                    "example": "12345678901234567890"
+                  },
                   "proof": {
                     "type": "object",
                     "format": "types.ZKProof",
diff --git a/openapi.yaml b/openapi.yaml
index 9c46830..ba23cb0 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -244,6 +244,75 @@ paths:
                 $ref: '#/components/schemas/Errors'
         '500':
           $ref: '#/components/responses/internalError'
+  '/integrations/geo-points-svc/v1/public/balances/{nullifier}/verify/external':
+    post:
+      tags:
+        - Points balance
+      summary: Verify external passport
+      description: |
+        Verify passport to unlock event claiming and get reward.
+        One passport can't be verified twice.
+
+        In body must be specified anonymous_id and shared_hash
+
+        Some events will be automatically claimed in case if balance is active.
+      operationId: verifyExternalPassport
+      parameters:
+        - $ref: '#/components/parameters/pathNullifier'
+        - in: header
+          name: Signature
+          description: Signature of the request
+          required: true
+          schema:
+            type: string
+            pattern: '^[a-f0-9]{64}$'
+      requestBody:
+        required: true
+        content:
+          application/vnd.api+json:
+            schema:
+              type: object
+              required:
+                - data
+              properties:
+                data:
+                  $ref: '#/components/schemas/VerifyPassport'
+      responses:
+        '200':
+          description: Success
+          content:
+            application/vnd.api+json:
+              schema:
+                type: object
+                required:
+                  - data
+                properties:
+                  data:
+                    $ref: '#/components/schemas/EventClaimingState'
+        '400':
+          $ref: '#/components/responses/invalidParameter'
+        '401':
+          $ref: '#/components/responses/invalidAuth'
+        '403':
+          description: Invalid signature
+          content:
+            application/vnd.api+json:
+              schema:
+                $ref: '#/components/schemas/Errors'
+        '404':
+          description: Balance not exists
+          content:
+            application/vnd.api+json:
+              schema:
+                $ref: '#/components/schemas/Errors'
+        '409':
+          description: Passport already verified or anonymous ID exists
+          content:
+            application/vnd.api+json:
+              schema:
+                $ref: '#/components/schemas/Errors'
+        '500':
+          $ref: '#/components/responses/internalError'
   '/integrations/geo-points-svc/v1/public/balances/{nullifier}/verifypassport':
     post:
       tags:
@@ -1429,6 +1498,10 @@ components:
                   type: string
                   description: Unique identifier of the passport.
                   example: 2bd3a2532096fee10a45a40e444a11b4d00a707f3459376087747de05996fbf5
+                shared_hash:
+                  type: string
+                  description: Unique identifier for linking internal and external passports
+                  example: '12345678901234567890'
                 proof:
                   type: object
                   format: types.ZKProof