Twitter API Client Library for Java.

Note: This SDK is in beta and is not ready for production

You can find examples of using the SDK under the examples/ directory

Note: Only Twitter API V2 is supported

API version: 2.51

Twitter API v2 available endpoints

For more information, please visit https://developer.twitter.com/

Requirements

Building the API client library requires:

Java 1.8+
Maven (3.8.3+)/Gradle (7.2+)

Installation

To install the API client library to your local Maven repository, simply execute:

mvn clean install

To deploy it to a remote Maven repository instead, configure the settings of the repository and execute:

mvn clean deploy

Refer to the OSSRH Guide for more information.

Maven users

Add this dependency to your project's POM:

<dependency>
  <groupId>com.twitter</groupId>
  <artifactId>twitter-api-java-sdk</artifactId>
  <version>2.0.3</version>
</dependency>

Gradle users

Add this dependency to your project's build file:

repositories {
mavenCentral()     // Needed if the 'twitter-api-java-sdk' jar has been published to maven central.
mavenLocal()       // Needed if the 'twitter-api-java-sdk' jar has been published to the local maven repo.
}

dependencies {
implementation "com.twitter:twitter-api-java-sdk:2.0.3"
}

Others

At first generate the JAR by executing:

mvn clean package

Then manually install the following JARs:

target/twitter-api-java-sdk-2.0.3.jar
target/lib/*.jar

Twitter Credentials

Twitter APIs support three types of authentications:

OAuth 2.0 Authorization with PKCE

TWITTER_OAUTH2_CLIENT_ID

TWITTER_OAUTH2_CLIENT_SECRET

TWITTER_OAUTH2_ACCESS_TOKEN

TWITTER_OAUTH2_REFRESH_TOKEN

TWITTER_OAUTH2_IS_AUTO_REFRESH_TOKEN - default value is false

OAuth 2.0 Bearer Token (app-only)

TWITTER_BEARER_TOKEN

You can use the following objects in order to set the credentials: TwitterCredentialsOAuth2 & TwitterCredentialsBearer.

TwitterApi apiInstance = new TwitterApi(new TwitterCredentialsOAuth2(
      System.getenv("TWITTER_OAUTH2_CLIENT_ID"),
      System.getenv("TWITTER_OAUTH2_CLIENT_SECRET"),
      System.getenv("TWITTER_OAUTH2_ACCESS_TOKEN"),
      System.getenv("TWITTER_OAUTH2_REFRESH_TOKEN")));

Check the security tag of the required APIs in https://api.twitter.com/2/openapi.json in order to use the right credential object.

Getting Started

Please follow the installation instruction and execute the following Java code:

import java.util.HashSet;
import java.util.Set;
import com.twitter.clientlib.TwitterCredentialsOAuth2;
import com.twitter.clientlib.ApiException;
import com.twitter.clientlib.api.TwitterApi;
import com.twitter.clientlib.model.*;

public class TwitterApiExample {

  public static void main(String[] args) {
    /**
     * Set the credentials for the required APIs.
     * The Java SDK supports TwitterCredentialsOAuth2 & TwitterCredentialsBearer.
     * Check the 'security' tag of the required APIs in https://api.twitter.com/2/openapi.json in order
     * to use the right credential object.
     */
    TwitterApi apiInstance = new TwitterApi(new TwitterCredentialsOAuth2(
          System.getenv("TWITTER_OAUTH2_CLIENT_ID"),
          System.getenv("TWITTER_OAUTH2_CLIENT_SECRET"),
          System.getenv("TWITTER_OAUTH2_ACCESS_TOKEN"),
          System.getenv("TWITTER_OAUTH2_REFRESH_TOKEN")));

    Set<String> tweetFields = new HashSet<>();
    tweetFields.add("author_id");
    tweetFields.add("id");
    tweetFields.add("created_at");

    try {
     // findTweetById
     Get2TweetsIdResponse result = apiInstance.tweets().findTweetById("20")
       .tweetFields(tweetFields)
       .execute();
     if(result.getErrors() != null && result.getErrors().size() > 0) {
       System.out.println("Error:");

       result.getErrors().forEach(e -> {
         System.out.println(e.toString());
         if (e instanceof ResourceUnauthorizedProblem) {
           System.out.println(((ResourceUnauthorizedProblem) e).getTitle() + " " + ((ResourceUnauthorizedProblem) e).getDetail());
         }
       });
     } else {
       System.out.println("findTweetById - Tweet Text: " + result.toString());
     }
    } catch (ApiException e) {
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}

Authentication

The Twitter API has multiple authentication methods that support different endpoints. To see what method an endpoint needs go here.

This library has support for OAuth 2.0, use TwitterOAuth20Service in order to get the OAuth 2.0 services. You can see various examples on how to use the authentication in examples/

Auto Refresh Token

By default the OAuth 2.0 access token should be maintained and refreshed by the user.

In order to change it to be automatically refreshed, set the TwitterCredentialsOAuth2.isOAuth2AutoRefreshToken to be true.

You can implement the callback ApiClientCallback.onAfterRefreshToken() in order to maintain the refreshed access token.

Check this example of implementing ApiClientCallback

Rate limits retry mechanism

Everyday many thousands of developers make requests to the Twitter developer platform. To help manage the sheer volume of these requests, limits are placed on the number of requests that can be made. These limits help us provide the reliable and scalable API that our developer community relies on.

Each of our APIs use rate limits in different ways. To learn more about these differences between platforms, please review the specific rate limit pages within our specific API sections.

To check connection limits response will return three headers. This is useful to understand how many times you can use the rule endpoint, and how many reconnections attempts are allowed for the streaming endpoint.

The Java SDK provides APIs with a build-in retry mechanism to handle the rate limits. In case of getting an http error code 429, the API will check the response headers and will wait until the rate limit is reset.

In order to use the retry mechanism call the APIs with an additional parameter retries as a first argument, check the following example:

  int retries = 4;
  streamResult = apiInstance.tweets().sampleStream()
                      .tweetFields(tweetFields)
                      .execute(retries);

Read more about Filtered stream and rate limits

Get all fields

The Twitter API v2 endpoints are equipped with a set of parameters called fields, which allows you to select just the data that you want from each of the objects in your endpoint response.

When you need to get many fields in the response object it can be a bit gruelling to define all the needed fields. In order to make it easier, you can use the excludeInputFields approach. Instead of selecting the data that you want to get, you define which fields should be excluded from the response object. Using excludeInputFields() will change the behaviour of the execution, in this case all response fields will be returned besides the ones that were sent as input parameters.

    Set<String> tweetFields = new HashSet<>();
    tweetFields.add("non_public_metrics");
    tweetFields.add("promoted_metrics");
    tweetFields.add("organic_metrics");

    // Get all available fields excluding Tweet Fields `non_public_metrics`, `promoted_metrics` & `organic_metrics`
    Get2TweetsIdResponse result = apiInstance.tweets().findTweetById("20")
        .tweetFields(tweetFields).excludeInputFields().execute();

    // Get all the response fields
    Get2TweetsIdResponse result2 = apiInstance.tweets().findTweetById("20").excludeInputFields().execute();

Documentation for API Endpoints

All URIs are relative to https://api.twitter.com

Class	Method	HTTP request	Description
BookmarksApi	getUsersIdBookmarks	GET /2/users/{id}/bookmarks	Bookmarks by User
BookmarksApi	postUsersIdBookmarks	POST /2/users/{id}/bookmarks	Add Tweet to Bookmarks
BookmarksApi	usersIdBookmarksDelete	DELETE /2/users/{id}/bookmarks/{tweet_id}	Remove a bookmarked Tweet
ComplianceApi	createBatchComplianceJob	POST /2/compliance/jobs	Create compliance job
ComplianceApi	getBatchComplianceJob	GET /2/compliance/jobs/{id}	Get Compliance Job
ComplianceApi	getTweetsComplianceStream	GET /2/tweets/compliance/stream	Tweets Compliance stream
ComplianceApi	getUsersComplianceStream	GET /2/users/compliance/stream	Users Compliance stream
ComplianceApi	listBatchComplianceJobs	GET /2/compliance/jobs	List Compliance Jobs
GeneralApi	getOpenApiSpec	GET /2/openapi.json	Returns the OpenAPI Specification document.
ListsApi	getUserListMemberships	GET /2/users/{id}/list_memberships	Get a User's List Memberships
ListsApi	listAddMember	POST /2/lists/{id}/members	Add a List member
ListsApi	listIdCreate	POST /2/lists	Create List
ListsApi	listIdDelete	DELETE /2/lists/{id}	Delete List
ListsApi	listIdGet	GET /2/lists/{id}	List lookup by List ID.
ListsApi	listIdUpdate	PUT /2/lists/{id}	Update List.
ListsApi	listRemoveMember	DELETE /2/lists/{id}/members/{user_id}	Remove a List member
ListsApi	listUserFollow	POST /2/users/{id}/followed_lists	Follow a List
ListsApi	listUserOwnedLists	GET /2/users/{id}/owned_lists	Get a User's Owned Lists.
ListsApi	listUserPin	POST /2/users/{id}/pinned_lists	Pin a List
ListsApi	listUserPinnedLists	GET /2/users/{id}/pinned_lists	Get a User's Pinned Lists
ListsApi	listUserUnfollow	DELETE /2/users/{id}/followed_lists/{list_id}	Unfollow a List
ListsApi	listUserUnpin	DELETE /2/users/{id}/pinned_lists/{list_id}	Unpin a List
ListsApi	userFollowedLists	GET /2/users/{id}/followed_lists	Get User's Followed Lists
SpacesApi	findSpaceById	GET /2/spaces/{id}	Space lookup by Space ID
SpacesApi	findSpacesByCreatorIds	GET /2/spaces/by/creator_ids	Space lookup by their creators
SpacesApi	findSpacesByIds	GET /2/spaces	Space lookup up Space IDs
SpacesApi	searchSpaces	GET /2/spaces/search	Search for Spaces
SpacesApi	spaceBuyers	GET /2/spaces/{id}/buyers	Retrieve the list of Users who purchased a ticket to the given space
SpacesApi	spaceTweets	GET /2/spaces/{id}/tweets	Retrieve Tweets from a Space.
TweetsApi	addOrDeleteRules	POST /2/tweets/search/stream/rules	Add/Delete rules
TweetsApi	createTweet	POST /2/tweets	Creation of a Tweet
TweetsApi	deleteTweetById	DELETE /2/tweets/{id}	Tweet delete by Tweet ID
TweetsApi	findTweetById	GET /2/tweets/{id}	Tweet lookup by Tweet ID
TweetsApi	findTweetsById	GET /2/tweets	Tweet lookup by Tweet IDs
TweetsApi	findTweetsThatQuoteATweet	GET /2/tweets/{id}/quote_tweets	Retrieve Tweets that quote a Tweet.
TweetsApi	getRules	GET /2/tweets/search/stream/rules	Rules lookup
TweetsApi	getTweetsFirehoseStream	GET /2/tweets/firehose/stream	Firehose stream
TweetsApi	getTweetsSample10Stream	GET /2/tweets/sample10/stream	Sample 10% stream
TweetsApi	hideReplyById	PUT /2/tweets/{tweet_id}/hidden	Hide replies
TweetsApi	listsIdTweets	GET /2/lists/{id}/tweets	List Tweets timeline by List ID.
TweetsApi	sampleStream	GET /2/tweets/sample/stream	Sample stream
TweetsApi	searchStream	GET /2/tweets/search/stream	Filtered stream
TweetsApi	spaceBuyers	GET /2/spaces/{id}/buyers	Retrieve the list of Users who purchased a ticket to the given space
TweetsApi	spaceTweets	GET /2/spaces/{id}/tweets	Retrieve Tweets from a Space.
TweetsApi	tweetCountsFullArchiveSearch	GET /2/tweets/counts/all	Full archive search counts
TweetsApi	tweetCountsRecentSearch	GET /2/tweets/counts/recent	Recent search counts
TweetsApi	tweetsFullarchiveSearch	GET /2/tweets/search/all	Full-archive search
TweetsApi	tweetsRecentSearch	GET /2/tweets/search/recent	Recent search
TweetsApi	usersIdLike	POST /2/users/{id}/likes	Causes the User (in the path) to like the specified Tweet
TweetsApi	usersIdLikedTweets	GET /2/users/{id}/liked_tweets	Returns Tweet objects liked by the provided User ID
TweetsApi	usersIdMentions	GET /2/users/{id}/mentions	User mention timeline by User ID
TweetsApi	usersIdRetweets	POST /2/users/{id}/retweets	Causes the User (in the path) to retweet the specified Tweet.
TweetsApi	usersIdTimeline	GET /2/users/{id}/timelines/reverse_chronological	User home timeline by User ID
TweetsApi	usersIdTweets	GET /2/users/{id}/tweets	User Tweets timeline by User ID
TweetsApi	usersIdUnlike	DELETE /2/users/{id}/likes/{tweet_id}	Causes the User (in the path) to unlike the specified Tweet
TweetsApi	usersIdUnretweets	DELETE /2/users/{id}/retweets/{source_tweet_id}	Causes the User (in the path) to unretweet the specified Tweet
UsersApi	findMyUser	GET /2/users/me	User lookup me
UsersApi	findUserById	GET /2/users/{id}	User lookup by ID
UsersApi	findUserByUsername	GET /2/users/by/username/{username}	User lookup by username
UsersApi	findUsersById	GET /2/users	User lookup by IDs
UsersApi	findUsersByUsername	GET /2/users/by	User lookup by usernames
UsersApi	listGetFollowers	GET /2/lists/{id}/followers	Returns User objects that follow a List by the provided List ID
UsersApi	listGetMembers	GET /2/lists/{id}/members	Returns User objects that are members of a List by the provided List ID.
UsersApi	tweetsIdLikingUsers	GET /2/tweets/{id}/liking_users	Returns User objects that have liked the provided Tweet ID
UsersApi	tweetsIdRetweetingUsers	GET /2/tweets/{id}/retweeted_by	Returns User objects that have retweeted the provided Tweet ID
UsersApi	usersIdBlock	POST /2/users/{id}/blocking	Block User by User ID
UsersApi	usersIdBlocking	GET /2/users/{id}/blocking	Returns User objects that are blocked by provided User ID
UsersApi	usersIdFollow	POST /2/users/{id}/following	Follow User
UsersApi	usersIdFollowers	GET /2/users/{id}/followers	Followers by User ID
UsersApi	usersIdFollowing	GET /2/users/{id}/following	Following by User ID
UsersApi	usersIdMute	POST /2/users/{id}/muting	Mute User by User ID.
UsersApi	usersIdMuting	GET /2/users/{id}/muting	Returns User objects that are muted by the provided User ID
UsersApi	usersIdUnblock	DELETE /2/users/{source_user_id}/blocking/{target_user_id}	Unblock User by User ID
UsersApi	usersIdUnfollow	DELETE /2/users/{source_user_id}/following/{target_user_id}	Unfollow User
UsersApi	usersIdUnmute	DELETE /2/users/{source_user_id}/muting/{target_user_id}	Unmute User by User ID

Name		Name	Last commit message	Last commit date
Latest commit History 31 Commits
.github		.github
docs		docs
examples		examples
src		src
.gitignore		.gitignore
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
README.md		README.md
pom.xml		pom.xml
sdk.properties		sdk.properties

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Twitter API Client Library for Java.

Table of contents

Requirements

Installation

Maven users

Gradle users

Others

Twitter Credentials

OAuth 2.0 Authorization with PKCE

OAuth 2.0 Bearer Token (app-only)

Getting Started

Authentication

Auto Refresh Token

Rate limits retry mechanism

Get all fields

Documentation for API Endpoints

Documentation for Models

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Resources

License

Code of conduct

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