diff --git a/.npmignore b/.npmignore
index 6085858..012a3cd 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,2 +1 @@
-helpers
 index.js
diff --git a/examples/cjs/README.md b/examples/cjs/README.md
deleted file mode 100644
index 799f034..0000000
--- a/examples/cjs/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# cjs
-
-test commonjs bundle imports
-
-Run install & test:
-
-```sh
-pnpm it
-```
diff --git a/examples/cjs/package.json b/examples/cjs/package.json
deleted file mode 100644
index 198504c..0000000
--- a/examples/cjs/package.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "name": "cjs",
-  "version": "1.0.0",
-  "description": "requete commonjs imports",
-  "main": "index.cjs",
-  "scripts": {
-    "test": "node index.cjs"
-  },
-  "dependencies": {
-    "requete": "file:../../dist"
-  }
-}
diff --git a/package.json b/package.json
index 55b5875..1147e44 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "clean": "rimraf -rf ./dist",
     "test": "vitest run",
     "test:coverage": "vitest run --coverage",
+    "test:module": "cd ./test/module-specs && pnpm it --force",
     "serve": "json-server -c ./examples/mocks/json-server.json ./examples/mocks/db.json",
     "release": "release-it",
     "postinstall": "husky install"
@@ -33,6 +34,11 @@
       "import": "./adapter.mjs",
       "require": "./adapter.cjs"
     },
+    "./shared": {
+      "types": "./shared.d.ts",
+      "import": "./shared.mjs",
+      "require": "./shared.cjs"
+    },
     "./polyfill": "./polyfill.umd.js",
     "./package.json": "./package.json"
   },
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 9c41c39..c00da81 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -26,7 +26,7 @@ const useBabel = () =>
     presets: ['@babel/preset-env'],
   })
 
-const setupModuleConfig = (file, external, exports) => {
+const setupModuleConfig = (file, external = /^requete/, exports = null) => {
   const module = pkg.exports[file === 'index' ? '.' : `./${file}`]
   const input = `src/${file}.ts`
 
@@ -112,7 +112,7 @@ const setupUMDConfig = (config) => {
 }
 
 export default [].concat(
-  setupModuleConfig('index', null, {
+  setupModuleConfig('index', /^requete/, {
     default: 'index',
     RequestError: 'RequestError',
     Requete: 'Requete',
@@ -121,6 +121,7 @@ export default [].concat(
   }),
   setupModuleConfig('middleware'),
   setupModuleConfig('adapter'),
+  setupModuleConfig('shared'),
   setupUMDConfig({
     input: 'src/global.mjs',
     output: {
diff --git a/src/adapter/Adapter.ts b/src/adapter/Adapter.ts
index 4951dcc..cf944eb 100644
--- a/src/adapter/Adapter.ts
+++ b/src/adapter/Adapter.ts
@@ -1,4 +1,4 @@
-import type { IContext, IResponse } from '../core/Requete'
+import type { IContext, IResponse } from 'requete'
 
 export abstract class Adapter {
   static readonly supported: boolean
diff --git a/src/adapter/FetchAdapter.ts b/src/adapter/FetchAdapter.ts
index 5f03b1c..86c36e6 100644
--- a/src/adapter/FetchAdapter.ts
+++ b/src/adapter/FetchAdapter.ts
@@ -1,5 +1,6 @@
-import type { IContext, IRequest, IResponse } from '../core/Requete'
-import { pick, transformRequestBody } from '../helpers'
+import type { IContext, IRequest, IResponse } from 'requete'
+import { pick, transformRequestBody } from 'requete/shared'
+
 import { Adapter } from './Adapter'
 
 export class FetchAdapter extends Adapter {
diff --git a/src/adapter/XhrAdapter.ts b/src/adapter/XhrAdapter.ts
index 5e4e2be..db9a16c 100644
--- a/src/adapter/XhrAdapter.ts
+++ b/src/adapter/XhrAdapter.ts
@@ -1,10 +1,11 @@
-import { RequestError } from '../core/RequestError'
-import type { IContext, IResponse } from '../core/Requete'
+import { IContext, IResponse } from 'requete'
 import {
   parseHeaders,
   progressEventReducer,
+  RequestError,
   transformRequestBody,
-} from '../helpers'
+} from 'requete/shared'
+
 import { Adapter } from './Adapter'
 
 export interface IProgressEvent {
diff --git a/src/adapter/__tests__/FetchAdapter.test.ts b/src/adapter/__tests__/FetchAdapter.test.ts
index 1a66e35..6c3262b 100644
--- a/src/adapter/__tests__/FetchAdapter.test.ts
+++ b/src/adapter/__tests__/FetchAdapter.test.ts
@@ -1,7 +1,6 @@
+import { Method, TimeoutAbortController } from 'requete'
 import { toAny } from 'test/utils'
 
-import { TimeoutAbortController } from '../../core/AbortController'
-import { Method } from '../../core/Requete'
 import { FetchAdapter } from '../FetchAdapter'
 
 describe('FetchAdapter specs', () => {
diff --git a/src/adapter/__tests__/XhrAdapter.test.ts b/src/adapter/__tests__/XhrAdapter.test.ts
index fcccc26..b68112b 100644
--- a/src/adapter/__tests__/XhrAdapter.test.ts
+++ b/src/adapter/__tests__/XhrAdapter.test.ts
@@ -1,8 +1,7 @@
+import { Method, TimeoutAbortController } from 'requete'
 import { sleep, toAny } from 'test/utils'
 
-import { TimeoutAbortController } from '../../core/AbortController'
-import { Method } from '../../core/Requete'
-import * as helpers from '../../helpers'
+import * as progress from '../../shared/progress'
 import { XhrAdapter } from '../XhrAdapter'
 
 describe('XhrAdapter specs', () => {
@@ -410,7 +409,7 @@ describe('XhrAdapter specs', () => {
     it('should not set `onDownloadProgress` to xhr when given the option', () => {
       const handleStub = vi.fn()
       const spy = vi
-        .spyOn(helpers, 'progressEventReducer')
+        .spyOn(progress, 'progressEventReducer')
         .mockImplementation(toAny(vi.fn().mockReturnValue(handleStub)))
 
       const addEventListenerStub = vi.fn()
@@ -436,7 +435,7 @@ describe('XhrAdapter specs', () => {
     it('should set `onUploadProgress` to xhr when given the option & it support upload', () => {
       const handleStub = vi.fn()
       const spy = vi
-        .spyOn(helpers, 'progressEventReducer')
+        .spyOn(progress, 'progressEventReducer')
         .mockImplementation(toAny(vi.fn().mockReturnValue(handleStub)))
 
       const addEventListenerStub = vi.fn()
@@ -462,7 +461,7 @@ describe('XhrAdapter specs', () => {
 
     it('should not set `onUploadProgress` to xhr when it not support upload', () => {
       const spy = vi
-        .spyOn(helpers, 'progressEventReducer')
+        .spyOn(progress, 'progressEventReducer')
         .mockImplementation(toAny(vi.fn()))
 
       const addEventListenerStub = vi.fn()
diff --git a/src/adapter/__tests__/Adapter.test.ts b/src/adapter/__tests__/create.test.ts
similarity index 100%
rename from src/adapter/__tests__/Adapter.test.ts
rename to src/adapter/__tests__/create.test.ts
diff --git a/src/core/Requete.ts b/src/core/Requete.ts
index e5987be..a319d93 100644
--- a/src/core/Requete.ts
+++ b/src/core/Requete.ts
@@ -1,8 +1,14 @@
-import { Adapter, createAdapter } from '../adapter'
-import { getUri, Logger, mergeHeaders, pick } from '../helpers'
+import {
+  Adapter,
+  createAdapter,
+  FetchAdapter,
+  XhrAdapter,
+} from 'requete/adapter'
+import { getUri, Logger, mergeHeaders, pick } from 'requete/shared'
+import { RequestError } from 'requete/shared'
+
 import { TimeoutAbortController } from './AbortController'
 import { compose } from './compose'
-import { RequestError } from './RequestError'
 
 export type Method =
   | 'GET'
diff --git a/src/core/__tests__/requete-exceptions.test.ts b/src/core/__tests__/requete-exceptions.test.ts
index cd9f527..b0168d2 100644
--- a/src/core/__tests__/requete-exceptions.test.ts
+++ b/src/core/__tests__/requete-exceptions.test.ts
@@ -1,9 +1,8 @@
+import { Requete } from 'requete'
+import { FetchAdapter } from 'requete/adapter'
+import { RequestError } from 'requete/shared'
 import { toAny } from 'test/utils'
 
-import { FetchAdapter } from '../../adapter'
-import { RequestError } from '../RequestError'
-import { Requete } from '../Requete'
-
 describe('Requete exceptions specs', () => {
   beforeEach(() => {
     vi.spyOn(FetchAdapter.prototype, 'request').mockImplementation(
diff --git a/src/core/__tests__/requete-middleware.test.ts b/src/core/__tests__/requete-middleware.test.ts
index c5d0232..68a66cf 100644
--- a/src/core/__tests__/requete-middleware.test.ts
+++ b/src/core/__tests__/requete-middleware.test.ts
@@ -1,4 +1,5 @@
-import { FetchAdapter } from '../../adapter'
+import { FetchAdapter } from 'requete/adapter'
+
 import { Requete } from '../Requete'
 
 describe('Requete middleware specs', () => {
diff --git a/src/core/__tests__/requete-request.test.ts b/src/core/__tests__/requete-request.test.ts
index 4bce032..37d0ab4 100644
--- a/src/core/__tests__/requete-request.test.ts
+++ b/src/core/__tests__/requete-request.test.ts
@@ -1,4 +1,5 @@
-import { FetchAdapter } from '../../adapter'
+import { FetchAdapter } from 'requete/adapter'
+
 import { Method, Requete } from '../Requete'
 
 describe('Requete request configs', () => {
diff --git a/src/helpers/index.ts b/src/helpers/index.ts
deleted file mode 100644
index 65e9ddb..0000000
--- a/src/helpers/index.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export * from './getUri'
-export * from './headers'
-export * from './logger'
-export * from './pick'
-export * from './progress'
-export * from './transform'
diff --git a/src/index.ts b/src/index.ts
index 8ca154b..e304e6a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,5 +4,5 @@ export default create()
 
 export * from './core/AbortController'
 export * from './core/create'
-export * from './core/RequestError'
 export * from './core/Requete'
+export { RequestError } from 'requete/shared'
diff --git a/src/middleware/logger.ts b/src/middleware/logger.ts
index 79b6409..62f1b10 100644
--- a/src/middleware/logger.ts
+++ b/src/middleware/logger.ts
@@ -1,5 +1,5 @@
-import type { Middleware } from '../core/Requete'
-import { Logger } from '../helpers'
+import type { Middleware } from 'requete'
+import { Logger } from 'requete/shared'
 
 interface IOption {
   name?: string
diff --git a/src/shared.ts b/src/shared.ts
new file mode 100644
index 0000000..102810a
--- /dev/null
+++ b/src/shared.ts
@@ -0,0 +1,7 @@
+export * from './shared/getUri'
+export * from './shared/headers'
+export * from './shared/logger'
+export * from './shared/pick'
+export * from './shared/progress'
+export * from './shared/RequestError'
+export * from './shared/transform'
diff --git a/src/core/RequestError.ts b/src/shared/RequestError.ts
similarity index 89%
rename from src/core/RequestError.ts
rename to src/shared/RequestError.ts
index 5d41061..f28e20a 100644
--- a/src/core/RequestError.ts
+++ b/src/shared/RequestError.ts
@@ -1,4 +1,4 @@
-import type { IContext } from './Requete'
+import type { IContext } from 'requete'
 
 export class RequestError extends Error {
   name = 'RequestError'
diff --git a/src/helpers/__tests__/__snapshots__/transform.test.ts.snap b/src/shared/__tests__/__snapshots__/transform.test.ts.snap
similarity index 100%
rename from src/helpers/__tests__/__snapshots__/transform.test.ts.snap
rename to src/shared/__tests__/__snapshots__/transform.test.ts.snap
diff --git a/src/helpers/__tests__/getUri.test.ts b/src/shared/__tests__/getUri.test.ts
similarity index 100%
rename from src/helpers/__tests__/getUri.test.ts
rename to src/shared/__tests__/getUri.test.ts
diff --git a/src/helpers/__tests__/headers.test.ts b/src/shared/__tests__/headers.test.ts
similarity index 100%
rename from src/helpers/__tests__/headers.test.ts
rename to src/shared/__tests__/headers.test.ts
diff --git a/src/helpers/__tests__/progress.test.ts b/src/shared/__tests__/progress.test.ts
similarity index 100%
rename from src/helpers/__tests__/progress.test.ts
rename to src/shared/__tests__/progress.test.ts
diff --git a/src/helpers/__tests__/transform.test.ts b/src/shared/__tests__/transform.test.ts
similarity index 100%
rename from src/helpers/__tests__/transform.test.ts
rename to src/shared/__tests__/transform.test.ts
diff --git a/src/helpers/getUri.ts b/src/shared/getUri.ts
similarity index 94%
rename from src/helpers/getUri.ts
rename to src/shared/getUri.ts
index 7605707..1e9cdbe 100644
--- a/src/helpers/getUri.ts
+++ b/src/shared/getUri.ts
@@ -1,4 +1,4 @@
-import type { IRequest } from '../core/Requete'
+import type { IRequest } from 'requete'
 
 function stringifyUrl(target: string, query: NonNullable<IRequest['params']>) {
   const [url, search] = target.split('?')
diff --git a/src/helpers/headers.ts b/src/shared/headers.ts
similarity index 100%
rename from src/helpers/headers.ts
rename to src/shared/headers.ts
diff --git a/src/helpers/logger.ts b/src/shared/logger.ts
similarity index 86%
rename from src/helpers/logger.ts
rename to src/shared/logger.ts
index 9281a28..099ab14 100644
--- a/src/helpers/logger.ts
+++ b/src/shared/logger.ts
@@ -1,5 +1,6 @@
-import { RequestError } from '../core/RequestError'
-import type { IContext } from '../core/Requete'
+import type { IContext } from 'requete'
+
+import { RequestError } from './RequestError'
 
 export class Logger {
   constructor(private name: string, private level: number) {
@@ -39,13 +40,14 @@ export class Logger {
     if (this.level < 1) return
     if (!(e instanceof RequestError)) return console.error(e)
 
-    const { request, url, status, statusText } = e.ctx
+    const { ctx } = e as RequestError
+    const { request, url, status, statusText } = ctx
 
     console.error(
       `${this.name} ${request.method} ${url} ${status} (${
         status === -1 ? 'Before Request' : statusText
       })\n%o\n${e.stack}`,
-      this.res(e.ctx)
+      this.res(ctx)
     )
   }
 
diff --git a/src/helpers/pick.ts b/src/shared/pick.ts
similarity index 100%
rename from src/helpers/pick.ts
rename to src/shared/pick.ts
diff --git a/src/helpers/progress.ts b/src/shared/progress.ts
similarity index 94%
rename from src/helpers/progress.ts
rename to src/shared/progress.ts
index dbda4e6..43b42d1 100644
--- a/src/helpers/progress.ts
+++ b/src/shared/progress.ts
@@ -1,9 +1,9 @@
-import type { IProgressEvent } from '../adapter/XhrAdapter'
+import type { IProgressEvent } from 'requete/adapter'
 
 /**
  * Calculate data maxRate
  *
- * Forked: https://github.com/axios/axios/blob/6f360a2531d8d70363fd9becef6a45a323f170e2/lib/helpers/speedometer.js
+ * Forked: https://github.com/axios/axios/blob/6f360a2531d8d70363fd9becef6a45a323f170e2/lib/helper/speedometer.js
  */
 function speedometer(samplesCount = 10, min = 1000) {
   const bytes = new Array(samplesCount)
diff --git a/src/helpers/transform.ts b/src/shared/transform.ts
similarity index 96%
rename from src/helpers/transform.ts
rename to src/shared/transform.ts
index 2ada92e..3e35539 100644
--- a/src/helpers/transform.ts
+++ b/src/shared/transform.ts
@@ -1,4 +1,4 @@
-import type { RequestBody } from '../core/Requete'
+import type { RequestBody } from 'requete'
 
 export function transformRequestBody(data?: RequestBody) {
   const toString = Object.prototype.toString.call(data)
diff --git a/test/module-specs/.eslintrc b/test/module-specs/.eslintrc
new file mode 100644
index 0000000..8eee285
--- /dev/null
+++ b/test/module-specs/.eslintrc
@@ -0,0 +1,7 @@
+{
+  "rules": {
+    "@typescript-eslint/no-var-requires": "off",
+    "simple-import-sort/imports": "off",
+    "simple-import-sort/exports": "off"
+  }
+}
diff --git a/test/module-specs/README.md b/test/module-specs/README.md
new file mode 100644
index 0000000..7ea8e11
--- /dev/null
+++ b/test/module-specs/README.md
@@ -0,0 +1,9 @@
+# module-specs
+
+requete module (commonjs/esm) specs
+
+Run install & test:
+
+```sh
+pnpm it
+```
diff --git a/test/module-specs/esm.mjs b/test/module-specs/esm.mjs
new file mode 100644
index 0000000..1a9f1a0
--- /dev/null
+++ b/test/module-specs/esm.mjs
@@ -0,0 +1,59 @@
+import { equal } from 'assert/strict'
+
+import requete, {
+  RequestError,
+  Requete,
+  TimeoutAbortController,
+  create,
+} from 'requete'
+equal(typeof requete, 'object', 'requete')
+equal(typeof requete.request, 'function', 'requete.request')
+equal(typeof RequestError, 'function', 'requete.RequestError')
+equal(typeof Requete, 'function', 'requete.Requete')
+equal(
+  typeof TimeoutAbortController,
+  'function',
+  'requete.TimeoutAbortController'
+)
+equal(typeof create, 'function', 'requete.create')
+
+import { logger } from 'requete/middleware'
+equal(typeof logger, 'function', 'requete/middleware:logger')
+
+import {
+  Adapter,
+  FetchAdapter,
+  XhrAdapter,
+  createAdapter,
+} from 'requete/adapter'
+equal(typeof Adapter, 'function', 'requete/adapter:Adapter')
+equal(typeof FetchAdapter, 'function', 'requete/adapter:FetchAdapter')
+equal(typeof XhrAdapter, 'function', 'requete/adapter:XhrAdapter')
+equal(typeof createAdapter, 'function', 'requete/adapter:createAdapter')
+
+import {
+  getUri,
+  mergeHeaders,
+  parseHeaders,
+  Logger,
+  pick,
+  progressEventReducer,
+  transformRequestBody,
+} from 'requete/shared'
+equal(typeof getUri, 'function', 'requete/shared:getUri')
+equal(typeof mergeHeaders, 'function', 'requete/shared:mergeHeaders')
+equal(typeof parseHeaders, 'function', 'requete/shared:parseHeaders')
+equal(typeof Logger, 'function', 'requete/shared:Logger')
+equal(typeof pick, 'function', 'requete/shared:pick')
+equal(
+  typeof progressEventReducer,
+  'function',
+  'requete/shared:progressEventReducer'
+)
+equal(
+  typeof transformRequestBody,
+  'function',
+  'requete/shared:transformRequestBody'
+)
+
+console.log('All esm exports specs passed.')
diff --git a/examples/cjs/index.cjs b/test/module-specs/index.cjs
similarity index 56%
rename from examples/cjs/index.cjs
rename to test/module-specs/index.cjs
index 6ddd9eb..5ab4da3 100644
--- a/examples/cjs/index.cjs
+++ b/test/module-specs/index.cjs
@@ -25,4 +25,29 @@ assert.equal(typeof FetchAdapter, 'function', 'requete/adapter:FetchAdapter')
 assert.equal(typeof XhrAdapter, 'function', 'requete/adapter:XhrAdapter')
 assert.equal(typeof createAdapter, 'function', 'requete/adapter:createAdapter')
 
-console.log('All tests passed.')
+const {
+  getUri,
+  mergeHeaders,
+  parseHeaders,
+  Logger,
+  pick,
+  progressEventReducer,
+  transformRequestBody,
+} = require('requete/shared')
+assert.equal(typeof getUri, 'function', 'requete/shared:getUri')
+assert.equal(typeof mergeHeaders, 'function', 'requete/shared:mergeHeaders')
+assert.equal(typeof parseHeaders, 'function', 'requete/shared:parseHeaders')
+assert.equal(typeof Logger, 'function', 'requete/shared:Logger')
+assert.equal(typeof pick, 'function', 'requete/shared:pick')
+assert.equal(
+  typeof progressEventReducer,
+  'function',
+  'requete/shared:progressEventReducer'
+)
+assert.equal(
+  typeof transformRequestBody,
+  'function',
+  'requete/shared:transformRequestBody'
+)
+
+console.log('All commonjs exports specs passed.')
diff --git a/test/module-specs/package.json b/test/module-specs/package.json
new file mode 100644
index 0000000..b00fceb
--- /dev/null
+++ b/test/module-specs/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "module-specs",
+  "version": "1.0.0",
+  "description": "requete module (commonjs/esm) specs",
+  "main": "index.cjs",
+  "scripts": {
+    "test": "pnpm test:cjs && pnpm test:mjs",
+    "test:cjs": "node index.cjs",
+    "test:mjs": "node esm.mjs"
+  },
+  "dependencies": {
+    "requete": "file:../../dist"
+  }
+}
diff --git a/examples/cjs/pnpm-lock.yaml b/test/module-specs/pnpm-lock.yaml
similarity index 100%
rename from examples/cjs/pnpm-lock.yaml
rename to test/module-specs/pnpm-lock.yaml
diff --git a/tsconfig.json b/tsconfig.json
index fe53b2c..48fa9b5 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -17,7 +17,9 @@
     "types": ["vitest/globals"],
     "rootDir": ".",
     "paths": {
-      "test/utils": ["./test/utils"]
+      "test/utils": ["./test/utils"],
+      "requete": ["./src/index.ts"],
+      "requete/*": ["./src/*.ts"]
     }
   },
   "include": ["src"],
diff --git a/vitest.config.ts b/vitest.config.ts
index 57572f7..a889f8f 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -4,5 +4,11 @@ export default defineConfig({
   test: {
     globals: true,
     setupFiles: ['./test/setup'],
+    alias: {
+      'requete/shared': './src/shared.ts',
+      'requete/adapter': './src/adapter.ts',
+      'requete/middleware': './src/middleware.ts',
+      requete: './src/index.ts',
+    },
   },
 })