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X APIs handle enormous amounts of data. The way we ensure this data is secured for developers and users alike is through authentication. There are a few methods for authentication, each listed below. Most developers will not need to deal with the complexities surrounding authentication since client libraries automatically handle these difficulties. You can find a list of available client libraries on our Tools and libraries page.

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Authentication methods

Note: Your App’s API Keys and App only Access Token, as well as your personal Access Token and Access Token Secret can be obtained from the X developer Apps section found in the developer portal.If you would like to make requests on behalf of another user, you will need to generate a separate set of Access Tokens for that user using the 3-legged OAuth flow, and pass that user’s tokens with your OAuth 1.0a User Context or OAuth 2.0 user context requests.

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Additional resources

Guides

Learn how to generate tokens and authenticate requests using our integration guides.

API reference

Review our reference guides for our authentication endpoints.

Best practices

Make sure you protect yourself and understand the best practices for storing your keys and tokens.

FAQs

Question? Visit our FAQs.