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GAS

Development/Design

[X(Twitter) bot] How to create an X Bot that automatically posts from a spreadsheet in GAS: (2) Text

How to use GAS to automatically post text from a spreadsheet to Twitter, using Twitter API v2 and OAuth2.0. Includes a workaround for GAS scripts that post thousands of lines of text and cause runtime errors.
Development/Design

[X(Twitter) bot] How to create an X Bot that automatically posts from a spreadsheet in GAS: (1) Preparation

Register a Twitter developer account, get Client ID and Secret, set User authentication, create twitter authentication in GAS, add OAuth2 library, and create code for Twitter API authentication process.
Development/Design

[X(Twitter) bot] How to create an X Bot that automatically posts from a spreadsheet in GAS: (3) Posting text + images

Learn how to use GAS (Google App Script) to automatically post images from a spreadsheet to Twitter; as of September 2023, Twitter API v2 does not support image uploads, so OAuth 1.0a must be used.