---
description: Capacitor plugin to sign in users with their Facebook account on Android, iOS, and the Web, including Limited Login and access token retrieval.
title: Capacitor Facebook Sign-In Plugin - Capawesome
image: https://capawesome.io/docs/assets/images/social/sdks/capacitor/facebook-sign-in.png
---

<!doctype html> 

[Skip to content ](#capacitor-facebook-sign-in-plugin) 

[🔐 Introducing the **Capacitor Vault** plugin — store secrets behind biometrics or a device passcode. ](/blog/announcing-the-capacitor-vault-plugin/) 

* [ SDKs ](/docs/sdks/)
* [ iOS ](#ios)
* [ Configuration ](#configuration)
* [ Usage ](#usage)
* [ API ](#api)
* [ Limited Login ](#limited-login)
* [ Security ](#security)
* [ Changelog ](#changelog)
* [ License ](#license)
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* [ Set Up Environments ](/docs/cloud/native-builds/environments/)
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* Reference
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* [ Blog ](/blog/)
* Categories

* [ iOS ](#ios)
* [ Configuration ](#configuration)
* [ Usage ](#usage)
* [ API ](#api)
* [ Limited Login ](#limited-login)
* [ Security ](#security)
* [ Changelog ](#changelog)
* [ License ](#license)

# Capacitor Facebook Sign-In Plugin[¶](#capacitor-facebook-sign-in-plugin "Permanent link")

Unofficial Capacitor plugin to sign-in with Facebook.[1](#fn:1)

[ ![Deliver Live Updates to your Capacitor app with Capawesome Cloud](../../../assets/external/cloud.capawesome.io/assets/banners/cloud-build-and-deploy-capacitor-apps.69628c3f.png) ](https://cloud.capawesome.io/) 

## Features[¶](#features "Permanent link")

We are proud to offer a comprehensive Capacitor plugin for Facebook Sign-In. Here are some of the key features:

* 🖥️ **Cross-platform**: Supports Android, iOS, and Web.
* 🔐 **Authentication**: Sign in users with their Facebook account.
* 🔑 **Access Token**: Retrieve the access token for the Facebook Graph API.
* 👤 **User Profile**: Retrieve the user's email, display name, profile picture, and more.
* 🕵️ **Limited Login**: Support for Limited Login on iOS to sign in users without tracking.
* 🛡️ **Nonce Support**: Prevent replay attacks with a custom nonce on iOS.
* 🪶 **Lightweight**: Just a single dependency and zero unnecessary bloat.
* 🚨 **Error Codes**: Provides detailed error codes for better error handling.
* 🤝 **Compatibility**: Works alongside the [Apple Sign-In](https://capawesome.io/docs/sdks/capacitor/apple-sign-in/) and [Google Sign-In](https://capawesome.io/docs/sdks/capacitor/google-sign-in/) plugins.
* 📦 **CocoaPods & SPM**: Supports CocoaPods and Swift Package Manager for iOS.
* 🔁 **Up-to-date**: Always supports the latest Capacitor version.

Missing a feature? Just [open an issue](https://github.com/capawesome-team/capacitor-plugins/issues) and we'll take a look!

## Newsletter[¶](#newsletter "Permanent link")

Stay up to date with the latest news and updates about the Capawesome, Capacitor, and Ionic ecosystem by subscribing to our [Capawesome Newsletter](https://cloud.capawesome.io/newsletter/).

## Compatibility[¶](#compatibility "Permanent link")

| Plugin Version | Capacitor Version | Status         |
| -------------- | ----------------- | -------------- |
| 0.1.x          | \>=8.x.x          | Active support |

## Installation[¶](#installation "Permanent link")

You can use our **AI-Assisted Setup** to install the plugin. Add the [Capawesome Skills](https://github.com/capawesome-team/skills) to your AI tool using the following command:

`[](#%5F%5Fcodelineno-0-1)npx skills add capawesome-team/skills --skill capacitor-plugins
`

Then use the following prompt:

`` [](#%5F%5Fcodelineno-1-1) Use the `capacitor-plugins` skill from `capawesome-team/skills` to install the `@capawesome/capacitor-facebook-sign-in` plugin in my project.
 ``

If you prefer **Manual Setup**, install the plugin by running the following commands and follow the platform-specific instructions below:

`[](#%5F%5Fcodelineno-2-1)npm install @capawesome/capacitor-facebook-sign-in
[](#%5F%5Fcodelineno-2-2)npx cap sync
`

This plugin requires a Facebook app. If you don't have one yet, create it in the [Meta App Dashboard](https://developers.facebook.com/apps/) and add the **Facebook Login** product. You can find your **App ID** and **Client Token** in the app settings.

### Android[¶](#android "Permanent link")

#### Variables[¶](#variables "Permanent link")

This plugin will use the following project variables (defined in your app's `variables.gradle` file):

* `$facebookLoginVersion` version of `com.facebook.android:facebook-login` (default: `18.3.0`)

#### Resources[¶](#resources "Permanent link")

Add the following string resources to the `android/app/src/main/res/values/strings.xml` file:

`[](#%5F%5Fcodelineno-3-1)<string name="facebook_app_id">YOUR_APP_ID</string>
[](#%5F%5Fcodelineno-3-2)<string name="facebook_client_token">YOUR_CLIENT_TOKEN</string>
`

Replace `YOUR_APP_ID` with your Facebook App ID and `YOUR_CLIENT_TOKEN` with your Facebook Client Token.

#### Metadata[¶](#metadata "Permanent link")

Add the following elements inside the `application` tag of the `android/app/src/main/AndroidManifest.xml` file:

`[](#%5F%5Fcodelineno-4-1)<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id" />
[](#%5F%5Fcodelineno-4-2)<meta-data android:name="com.facebook.sdk.ClientToken" android:value="@string/facebook_client_token" />
`

### iOS[¶](#ios "Permanent link")

Add the following keys to the `ios/App/App/Info.plist` file:

`[](#%5F%5Fcodelineno-5-1)<key>FacebookAppID</key>
[](#%5F%5Fcodelineno-5-2)<string>YOUR_APP_ID</string>
[](#%5F%5Fcodelineno-5-3)<key>FacebookClientToken</key>
[](#%5F%5Fcodelineno-5-4)<string>YOUR_CLIENT_TOKEN</string>
[](#%5F%5Fcodelineno-5-5)<key>FacebookDisplayName</key>
[](#%5F%5Fcodelineno-5-6)<string>YOUR_APP_NAME</string>
[](#%5F%5Fcodelineno-5-7)<key>LSApplicationQueriesSchemes</key>
[](#%5F%5Fcodelineno-5-8)<array>
[](#%5F%5Fcodelineno-5-9)  <string>fbapi</string>
[](#%5F%5Fcodelineno-5-10)  <string>fb-messenger-share-api</string>
[](#%5F%5Fcodelineno-5-11)</array>
`

Replace `YOUR_APP_ID` with your Facebook App ID, `YOUR_CLIENT_TOKEN` with your Facebook Client Token, and `YOUR_APP_NAME` with the display name of your Facebook app.

You also need to add the URL scheme for your Facebook App ID to the `ios/App/App/Info.plist` file:

`[](#%5F%5Fcodelineno-6-1)<key>CFBundleURLTypes</key>
[](#%5F%5Fcodelineno-6-2)<array>
[](#%5F%5Fcodelineno-6-3)  <dict>
[](#%5F%5Fcodelineno-6-4)    <key>CFBundleURLSchemes</key>
[](#%5F%5Fcodelineno-6-5)    <array>
[](#%5F%5Fcodelineno-6-6)      <string>fbYOUR_APP_ID</string>
[](#%5F%5Fcodelineno-6-7)    </array>
[](#%5F%5Fcodelineno-6-8)  </dict>
[](#%5F%5Fcodelineno-6-9)</array>
`

Replace `YOUR_APP_ID` with your Facebook App ID, so that the URL scheme is your App ID prefixed with `fb` (e.g. `fb1234567890123456`).

## Configuration[¶](#configuration "Permanent link")

No configuration required for this plugin.

## Usage[¶](#usage "Permanent link")

`[](#%5F%5Fcodelineno-7-1)import { FacebookSignIn } from '@capawesome/capacitor-facebook-sign-in';
[](#%5F%5Fcodelineno-7-2)
[](#%5F%5Fcodelineno-7-3)const initialize = async () => {
[](#%5F%5Fcodelineno-7-4)  await FacebookSignIn.initialize({
[](#%5F%5Fcodelineno-7-5)    appId: '1234567890123456',
[](#%5F%5Fcodelineno-7-6)  });
[](#%5F%5Fcodelineno-7-7)};
[](#%5F%5Fcodelineno-7-8)
[](#%5F%5Fcodelineno-7-9)const signIn = async () => {
[](#%5F%5Fcodelineno-7-10)  const result = await FacebookSignIn.signIn();
[](#%5F%5Fcodelineno-7-11)  console.log(result.accessToken?.token);
[](#%5F%5Fcodelineno-7-12)  console.log(result.profile.id);
[](#%5F%5Fcodelineno-7-13)  console.log(result.profile.name);
[](#%5F%5Fcodelineno-7-14)  console.log(result.profile.email);
[](#%5F%5Fcodelineno-7-15)};
[](#%5F%5Fcodelineno-7-16)
[](#%5F%5Fcodelineno-7-17)const signInWithLimitedLogin = async () => {
[](#%5F%5Fcodelineno-7-18)  const result = await FacebookSignIn.signIn({
[](#%5F%5Fcodelineno-7-19)    limitedLogin: true,
[](#%5F%5Fcodelineno-7-20)    nonce: 'YOUR_NONCE',
[](#%5F%5Fcodelineno-7-21)  });
[](#%5F%5Fcodelineno-7-22)  console.log(result.authenticationToken);
[](#%5F%5Fcodelineno-7-23)};
[](#%5F%5Fcodelineno-7-24)
[](#%5F%5Fcodelineno-7-25)const getCurrentAccessToken = async () => {
[](#%5F%5Fcodelineno-7-26)  const { accessToken } = await FacebookSignIn.getCurrentAccessToken();
[](#%5F%5Fcodelineno-7-27)  console.log(accessToken?.token);
[](#%5F%5Fcodelineno-7-28)};
[](#%5F%5Fcodelineno-7-29)
[](#%5F%5Fcodelineno-7-30)const signOut = async () => {
[](#%5F%5Fcodelineno-7-31)  await FacebookSignIn.signOut();
[](#%5F%5Fcodelineno-7-32)};
`

## API[¶](#api "Permanent link")

* [getCurrentAccessToken()](#getcurrentaccesstoken)
* [initialize(...)](#initialize)
* [signIn(...)](#signin)
* [signOut()](#signout)
* [Interfaces](#interfaces)

### getCurrentAccessToken()[¶](#getcurrentaccesstoken "Permanent link")

`[](#%5F%5Fcodelineno-8-1)getCurrentAccessToken() => Promise<GetCurrentAccessTokenResult>
`

Get the current access token.

**Returns:** `Promise<[GetCurrentAccessTokenResult](#getcurrentaccesstokenresult)>`

**Since:** 0.1.0

---

### initialize(...)[¶](#initialize "Permanent link")

`[](#%5F%5Fcodelineno-9-1)initialize(options?: InitializeOptions | undefined) => Promise<void>
`

Initialize the Facebook Sign-In plugin.

This method must be called once before all other methods.

| Param       | Type                                    |
| ----------- | --------------------------------------- |
| **options** | [InitializeOptions](#initializeoptions) |

**Since:** 0.1.0

---

### signIn(...)[¶](#signin "Permanent link")

`[](#%5F%5Fcodelineno-10-1)signIn(options?: SignInOptions | undefined) => Promise<SignInResult>
`

Start the Facebook Sign-In flow.

| Param       | Type                            |
| ----------- | ------------------------------- |
| **options** | [SignInOptions](#signinoptions) |

**Returns:** `Promise<[SignInResult](#signinresult)>`

**Since:** 0.1.0

---

### signOut()[¶](#signout "Permanent link")

`[](#%5F%5Fcodelineno-11-1)signOut() => Promise<void>
`

Sign out the current user.

**Since:** 0.1.0

---

### Interfaces[¶](#interfaces "Permanent link")

#### GetCurrentAccessTokenResult[¶](#getcurrentaccesstokenresult "Permanent link")

| Prop            | Type                                | Description                                                                                     | Since |
| --------------- | ----------------------------------- | ----------------------------------------------------------------------------------------------- | ----- |
| **accessToken** | [AccessToken](#accesstoken) \| null | The current access token. This is null if no user is signed in or the access token has expired. | 0.1.0 |

#### AccessToken[¶](#accesstoken "Permanent link")

| Prop            | Type       | Description                                                                         | Since |
| --------------- | ---------- | ----------------------------------------------------------------------------------- | ----- |
| **expiresAt**   | number     | The timestamp (in milliseconds since the Unix epoch) when the access token expires. | 0.1.0 |
| **permissions** | string\[\] | The permissions granted to the access token.                                        | 0.1.0 |
| **token**       | string     | The access token string.                                                            | 0.1.0 |
| **userId**      | string     | The unique identifier of the user's Facebook account.                               | 0.1.0 |

#### InitializeOptions[¶](#initializeoptions "Permanent link")

| Prop            | Type   | Description                                                                                                                                                                                           | Since |
| --------------- | ------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----- |
| **appId**       | string | The Facebook App ID from the Meta App Dashboard. On Android and iOS, this overrides the value from the native configuration and is usually not needed. **Attention**: This option is required on Web. | 0.1.0 |
| **clientToken** | string | The Facebook Client Token from the Meta App Dashboard. This overrides the value from the native configuration and is usually not needed. Only available on Android and iOS.                           | 0.1.0 |

#### SignInResult[¶](#signinresult "Permanent link")

| Prop                    | Type                                | Description                                                                                                                                      | Since |
| ----------------------- | ----------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | ----- |
| **accessToken**         | [AccessToken](#accesstoken) \| null | The access token for accessing the Facebook Graph API. This is null on iOS when Limited Login is used.                                           | 0.1.0 |
| **authenticationToken** | string \| null                      | The authentication token (JWT) returned by Facebook. This token can be sent to your backend for verification. Only available on Android and iOS. | 0.1.0 |
| **profile**             | [Profile](#profile)                 | The profile of the signed-in user.                                                                                                               | 0.1.0 |

#### Profile[¶](#profile "Permanent link")

| Prop         | Type           | Description                                                                     | Since |
| ------------ | -------------- | ------------------------------------------------------------------------------- | ----- |
| **email**    | string \| null | The user's email address. This is null if the email permission was not granted. | 0.1.0 |
| **id**       | string         | The unique identifier of the user's Facebook account.                           | 0.1.0 |
| **imageUrl** | string \| null | The URL of the user's profile picture.                                          | 0.1.0 |
| **name**     | string \| null | The user's display name (full name).                                            | 0.1.0 |

#### SignInOptions[¶](#signinoptions "Permanent link")

| Prop             | Type       | Description                                                                                                                                                                                                                                                                                          | Default                        | Since |
| ---------------- | ---------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------ | ----- |
| **limitedLogin** | boolean    | Whether or not to use [Limited Login](https://developers.facebook.com/docs/facebook-login/limited-login/) instead of classic login. With Limited Login, no access token is returned. Instead, an authentication token (JWT) is returned that can be verified on your backend. Only available on iOS. | false                          | 0.1.0 |
| **nonce**        | string     | A nonce to prevent replay attacks. The nonce is included in the authentication token and can be verified on your backend. Only available on iOS.                                                                                                                                                     |                                | 0.1.0 |
| **permissions**  | string\[\] | The permissions to request from the user.                                                                                                                                                                                                                                                            | \["public\_profile", "email"\] | 0.1.0 |

## Limited Login[¶](#limited-login "Permanent link")

On iOS, the Facebook SDK distinguishes between classic login and [Limited Login](https://developers.facebook.com/docs/facebook-login/limited-login/). With Limited Login, no data is shared with Meta that could be used for tracking, so no App Tracking Transparency consent is required. However, no access token for the Facebook Graph API is returned. Instead, an authentication token (JWT) is returned, which can be verified on your backend.

Keep the following in mind:

* Set the `limitedLogin` option to `true` to use Limited Login.
* If the user has not granted the App Tracking Transparency permission, the Facebook SDK may fall back to Limited Login even if classic login was requested. In this case, the `accessToken` property in the sign-in result is `null`.
* Provide a `nonce` option and verify it on your backend to prevent replay attacks.

## Security[¶](#security "Permanent link")

This plugin handles the sign-in flow and returns tokens to your app. To keep your integration secure, be aware of the following:

* **Server-side token verification is required.** The `authenticationToken` (JWT) is **not** verified client-side. Your backend **must** verify the JWT signature using [Facebook's public keys](https://www.facebook.com/.well-known/oauth/openid/jwks/) before trusting any claims. Never use client-side token data for authorization decisions without server-side verification.
* **Validate the access token on your backend.** If you use the `accessToken`, your backend should validate it with the [Facebook Graph API](https://developers.facebook.com/docs/facebook-login/guides/advanced/manual-flow#checktoken) before trusting it.

## Changelog[¶](#changelog "Permanent link")

See [CHANGELOG.md](https://github.com/capawesome-team/capacitor-plugins/blob/main/packages/facebook-sign-in/CHANGELOG.md).

## License[¶](#license "Permanent link")

See [LICENSE](https://github.com/capawesome-team/capacitor-plugins/blob/main/packages/facebook-sign-in/LICENSE).

---

1. This project is not affiliated with, endorsed by, sponsored by, or approved by Meta Platforms, Inc. or any of its affiliates or subsidiaries. [↩](#fnref:1 "Jump back to footnote 1 in the text")

July 7, 2026 

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```json
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