diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..0a8cf479
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,28 @@
+.cache
+.idea
+.chglog
+.github
+.husky
+.DS_Store
+*.log
+.nyc_output
+.vscode
+.yarn
+.eslintignore
+.gitignore
+.editorconfig
+.env.staging
+.eslintrc.json
+.nvmrc
+.prettierignore
+.prettierrc
+.yarnrc.yml
+node_modules
+local-setup
+test
+coverage
+src
+yarn.lock
+*.sh
+generate_docs
+typedoc.json
\ No newline at end of file
diff --git a/create-build-package-json.sh b/create-build-package-json.sh
new file mode 100644
index 00000000..dce45146
--- /dev/null
+++ b/create-build-package-json.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+cat >build/cjs/package.json <<!EOF
+{
+    "type": "commonjs"
+}
+!EOF
+
+cat >build/esm/package.json <<!EOF
+{
+    "type": "module"
+}
+!EOF
\ No newline at end of file
diff --git a/package.json b/package.json
index 2f8d6d75..c4e43b0a 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@interlay/interbtc-api",
-  "version": "2.5.2",
+  "version": "2.6.0-rc.0",
   "description": "JavaScript library to interact with interBTC",
-  "main": "build/src/index.js",
-  "type": "module",
-  "typings": "build/src/index.d.ts",
+  "main": "build/cjs/src/index.js",
+  "module": "build/esm/src/index.js",
+  "types": "build/types/src/index.d.ts",
   "repository": "https://github.com/interlay/interbtc-api",
   "license": "Apache-2.0",
   "keywords": [
@@ -17,8 +17,12 @@
     "kBTC"
   ],
   "scripts": {
-    "build": "run-s generate:defs generate:meta build:tsc",
-    "build:tsc": "tsc -p tsconfig.json",
+    "build": "run-s generate:defs generate:meta build:clean build:types build:esm build:cjs build:create-package-json",
+    "build:clean": "rm -fr build/*",
+    "build:esm": "tsc -p tsconfig.json",
+    "build:cjs": "tsc -p tsconfig-cjs.json",
+    "build:types": "tsc -p tsconfig-types.json",
+    "build:create-package-json": "sh ./create-build-package-json.sh",
     "fix": "run-s fix:*",
     "fix:prettier": "prettier \"src/**/*.ts\" --write",
     "fix:lint": "eslint --fix src --ext .ts",
@@ -92,10 +96,7 @@
     "bn.js": "4.12.0"
   },
   "files": [
-    "build/main",
-    "build/module",
-    "!**/*.spec.*",
-    "!**/*.json",
+    "build",
     "CHANGELOG.md",
     "LICENSE",
     "README.md"
diff --git a/src/index.ts b/src/index.ts
index ca614621..4c7fd3c2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,5 @@
-import "./interfaces/augment-api";
-import "./interfaces/augment-types";
+import "./interfaces/augment-api.js";
+import "./interfaces/augment-types.js";
 
 export * from "./factory";
 export * from "./interbtc-api";
diff --git a/src/parachain/index.ts b/src/parachain/index.ts
index e90f4087..8be5af74 100644
--- a/src/parachain/index.ts
+++ b/src/parachain/index.ts
@@ -1,19 +1,19 @@
-export { VaultsAPI, DefaultVaultsAPI } from "./vaults";
-export { IssueAPI, DefaultIssueAPI } from "./issue";
-export { RedeemAPI, DefaultRedeemAPI } from "./redeem";
-export { OracleAPI, DefaultOracleAPI } from "./oracle";
-export { BTCRelayAPI, DefaultBTCRelayAPI } from "./btc-relay";
-export { TokensAPI, DefaultTokensAPI } from "./tokens";
-export { SystemAPI, DefaultSystemAPI } from "./system";
-export { ConstantsAPI, DefaultConstantsAPI } from "./constants";
-export { ReplaceAPI, DefaultReplaceAPI } from "./replace";
-export { FeeAPI, DefaultFeeAPI } from "./fee";
-export { RewardsAPI, DefaultRewardsAPI } from "./rewards";
-export { NominationAPI, DefaultNominationAPI } from "./nomination";
-export { EscrowAPI, DefaultEscrowAPI } from "./escrow";
-export { AssetRegistryAPI, DefaultAssetRegistryAPI } from "./asset-registry";
-export { LoansAPI, DefaultLoansAPI } from "./loans";
-export { AMMAPI, DefaultAMMAPI } from "./amm";
+export * from "./vaults";
+export * from "./issue";
+export * from "./redeem";
+export * from "./oracle";
+export * from "./btc-relay";
+export * from "./tokens";
+export * from "./system";
+export * from "./constants";
+export * from "./replace";
+export * from "./fee";
+export * from "./rewards";
+export * from "./nomination";
+export * from "./escrow";
+export * from "./asset-registry";
+export * from "./loans";
+export * from "./amm";
 export * from "./transaction";
 export * from "./amm/";
 
diff --git a/src/utils/issueRedeem.ts b/src/utils/issueRedeem.ts
index f478290f..38bcddea 100644
--- a/src/utils/issueRedeem.ts
+++ b/src/utils/issueRedeem.ts
@@ -1,8 +1,14 @@
+import { Hash, EventRecord } from "@polkadot/types/interfaces";
+import { ApiTypes, AugmentedEvent } from "@polkadot/api/types";
+import { ISubmittableResult } from "@polkadot/types/types";
+import type { AnyTuple } from "@polkadot/types/types";
+import { ApiPromise } from "@polkadot/api";
 import { MonetaryAmount } from "@interlay/monetary-js";
 import { InterbtcPrimitivesVaultId } from "@polkadot/types/lookup";
 
-import { WrappedCurrency } from "../types";
+import { Issue, Redeem, WrappedCurrency } from "../types";
 import { newMonetaryAmount } from "./currency";
+import { InterBtcApi } from "../interbtc-api";
 
 /**
  * Given a list of vaults with availabilities (e.g. collateral for issue, tokens
@@ -51,3 +57,45 @@ export function allocateAmountsToVaults(
     }
     return allocations;
 }
+
+/**
+ * @param events The EventRecord array returned after sending a transaction
+ * @param methodToCheck The name of the event method whose existence to check
+ * @returns The id associated with the transaction. If the EventRecord array does not
+ * contain required events, the function throws an error.
+ */
+export function getRequestIdsFromEvents(
+    events: EventRecord[],
+    eventToFind: AugmentedEvent<ApiTypes, AnyTuple>,
+    api: ApiPromise
+): Hash[] {
+    const ids = new Array<Hash>();
+    for (const { event } of events) {
+        if (eventToFind.is(event)) {
+            // the redeem id has type H256 and is the first item of the event data array
+            const id = api.createType("Hash", event.data[0]);
+            ids.push(id);
+        }
+    }
+
+    if (ids.length > 0) return ids;
+    throw new Error("Transaction failed");
+}
+
+export const getIssueRequestsFromExtrinsicResult = async (
+    interBtcApi: InterBtcApi,
+    result: ISubmittableResult
+): Promise<Array<Issue>> => {
+    const ids = getRequestIdsFromEvents(result.events, interBtcApi.api.events.issue.RequestIssue, interBtcApi.api);
+    const issueRequests = await interBtcApi.issue.getRequestsByIds(ids);
+    return issueRequests;
+};
+
+export const getRedeemRequestsFromExtrinsicResult = async (
+    interBtcApi: InterBtcApi,
+    result: ISubmittableResult
+): Promise<Array<Redeem>> => {
+    const ids = getRequestIdsFromEvents(result.events, interBtcApi.api.events.redeem.RequestRedeem, interBtcApi.api);
+    const redeemRequests = await interBtcApi.redeem.getRequestsByIds(ids);
+    return redeemRequests;
+};
diff --git a/test/integration/parachain/staging/sequential/issue.partial.ts b/test/integration/parachain/staging/sequential/issue.partial.ts
index b3e871ee..d40da29a 100644
--- a/test/integration/parachain/staging/sequential/issue.partial.ts
+++ b/test/integration/parachain/staging/sequential/issue.partial.ts
@@ -5,6 +5,7 @@ import {
     CollateralCurrencyExt,
     currencyIdToMonetaryCurrency,
     DefaultInterBtcApi,
+    getIssueRequestsFromExtrinsicResult,
     InterBtcApi,
     InterbtcPrimitivesVaultId,
     IssueStatus,
@@ -25,7 +26,6 @@ import {
     PARACHAIN_ENDPOINT,
     ESPLORA_BASE_PATH,
 } from "../../../../config";
-import { getIssueRequestsFromExtrinsicResult } from "../../../../utils/issue-redeem";
 import { BitcoinCoreClient } from "../../../../utils/bitcoin-core-client";
 import { issueSingle } from "../../../../utils/issue-redeem";
 import { newVaultId, WrappedCurrency } from "../../../../../src";
diff --git a/test/utils/issue-redeem.ts b/test/utils/issue-redeem.ts
index acee630a..a74bd461 100644
--- a/test/utils/issue-redeem.ts
+++ b/test/utils/issue-redeem.ts
@@ -1,13 +1,9 @@
-import { Hash, EventRecord } from "@polkadot/types/interfaces";
-import { ApiTypes, AugmentedEvent } from "@polkadot/api/types";
-import type { AnyTuple } from "@polkadot/types/types";
-import { ApiPromise } from "@polkadot/api";
 import { KeyringPair } from "@polkadot/keyring/types";
 import { Bitcoin, BitcoinAmount, InterBtcAmount, MonetaryAmount } from "@interlay/monetary-js";
-import { InterbtcPrimitivesVaultId } from "@polkadot/types/lookup";
-import { ISubmittableResult } from "@polkadot/types/types";
+import { InterbtcPrimitivesVaultId } from "../../src/parachain";
 
-import { newAccountId } from "../../src/utils";
+
+import { getIssueRequestsFromExtrinsicResult, getRedeemRequestsFromExtrinsicResult, newAccountId } from "../../src/utils";
 import { BitcoinCoreClient } from "./bitcoin-core-client";
 import { stripHexPrefix } from "../../src/utils/encoding";
 import { Issue, IssueStatus, Redeem, RedeemStatus, WrappedCurrency } from "../../src/types";
@@ -28,48 +24,6 @@ export enum ExecuteRedeem {
     Auto,
 }
 
-/**
- * @param events The EventRecord array returned after sending a transaction
- * @param methodToCheck The name of the event method whose existence to check
- * @returns The id associated with the transaction. If the EventRecord array does not
- * contain required events, the function throws an error.
- */
-export function getRequestIdsFromEvents(
-    events: EventRecord[],
-    eventToFind: AugmentedEvent<ApiTypes, AnyTuple>,
-    api: ApiPromise
-): Hash[] {
-    const ids = new Array<Hash>();
-    for (const { event } of events) {
-        if (eventToFind.is(event)) {
-            // the redeem id has type H256 and is the first item of the event data array
-            const id = api.createType("Hash", event.data[0]);
-            ids.push(id);
-        }
-    }
-
-    if (ids.length > 0) return ids;
-    throw new Error("Transaction failed");
-}
-
-export const getIssueRequestsFromExtrinsicResult = async (
-    interBtcApi: InterBtcApi,
-    result: ISubmittableResult
-): Promise<Array<Issue>> => {
-    const ids = getRequestIdsFromEvents(result.events, interBtcApi.api.events.issue.RequestIssue, interBtcApi.api);
-    const issueRequests = await interBtcApi.issue.getRequestsByIds(ids);
-    return issueRequests;
-};
-
-export const getRedeemRequestsFromExtrinsicResult = async (
-    interBtcApi: InterBtcApi,
-    result: ISubmittableResult
-): Promise<Array<Redeem>> => {
-    const ids = getRequestIdsFromEvents(result.events, interBtcApi.api.events.redeem.RequestRedeem, interBtcApi.api);
-    const redeemRequests = await interBtcApi.redeem.getRequestsByIds(ids);
-    return redeemRequests;
-};
-
 export async function issueSingle(
     interBtcApi: InterBtcApi,
     bitcoinCoreClient: BitcoinCoreClient,
diff --git a/tsconfig-base.json b/tsconfig-base.json
new file mode 100644
index 00000000..f84cb0fc
--- /dev/null
+++ b/tsconfig-base.json
@@ -0,0 +1,29 @@
+{
+    "ts-node": {
+        "experimentalSpecifierResolution": "node",
+        "moduleTypes": {
+            "src/interfaces/**/*": "esm"
+        }
+    },
+    "compilerOptions": {
+        "declaration": true,
+        "skipLibCheck": true,
+        "strict": true,
+        "noImplicitAny": true,
+        "esModuleInterop": true,
+        "baseUrl": "./",
+        "resolveJsonModule": true,
+        "sourceMap": true,
+        "moduleResolution": "node",
+        "lib": ["ES2019"],
+        "paths": {
+            "@polkadot/api/augment": ["src/interfaces/augment-api.ts"],
+            "@polkadot/types/augment": ["src/interfaces/augment-types.ts"],
+            "@polkadot/types/lookup": ["src/interfaces/types-lookup.ts"],
+            "bitcoinjs-lib/src/bufferutils": ["node_modules/bitcoinjs-lib/types/bufferutils"],
+            "@interlay/interbtc-api/*": ["src/*"]
+        }
+    },
+    "include": ["src/**/*", "scripts/**/*.ts"],
+    "exclude": ["./node_modules/*"]
+}
diff --git a/tsconfig-cjs.json b/tsconfig-cjs.json
new file mode 100644
index 00000000..9f85b881
--- /dev/null
+++ b/tsconfig-cjs.json
@@ -0,0 +1,8 @@
+{
+    "extends": "./tsconfig-base.json",
+    "compilerOptions": {
+        "module": "commonjs",
+        "outDir": "build/cjs",
+        "target": "es2015"
+    }
+}
\ No newline at end of file
diff --git a/tsconfig-types.json b/tsconfig-types.json
new file mode 100644
index 00000000..eaaa621c
--- /dev/null
+++ b/tsconfig-types.json
@@ -0,0 +1,8 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "outDir": "build/types",
+        "declaration": true,
+        "emitDeclarationOnly": true
+    }
+}
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 32e359b1..a9c4daef 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,30 +1,8 @@
 {
-    "ts-node": {
-        "experimentalSpecifierResolution": "node"
-    },
+    "extends": "./tsconfig-base.json",
     "compilerOptions": {
-        "skipLibCheck": true,
         "target": "ES6",
         "module": "ES6",
-        "outDir": "build",
-        "declaration": true,
-        "strict": true,
-        "noImplicitAny": true,
-        "esModuleInterop": true,
-        "baseUrl": "./",
-        "resolveJsonModule": true,
-        // Generate files for debugging
-        "sourceMap": true,
-        "moduleResolution": "node",
-        "lib": ["ES2019"],
-        "paths": {
-            "@polkadot/api/augment": ["src/interfaces/augment-api.ts"],
-            "@polkadot/types/augment": ["src/interfaces/augment-types.ts"],
-            "@polkadot/types/lookup": ["src/interfaces/types-lookup.ts"],
-            "bitcoinjs-lib/src/bufferutils": ["node_modules/bitcoinjs-lib/types/bufferutils"],
-            "@interlay/interbtc-api/*": ["src/*"]
-        }
-    },
-    "include": ["src/**/*", "scripts/**/*.ts"],
-    "exclude": ["./node_modules/*"]
+        "outDir": "build/esm",
+    }
 }