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Documentation Index

Fetch the complete documentation index at: https://docs.world.org/llms.txt

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Deprecation Notice: Sign in with World ID v1 has been deprecated and will be shut down on January 31, 2026.
The shut down date has been extended from December 12, 2025 to January 31, 2026 to allow developers and users to finalize their migration.
As the World ID Protocol evolves, and with the introduction of World ID v25 in 2025, the existing version of Sign in with World ID will no longer be supported. The updated Protocol will provide new functionality and improved privacy guarantees which are no longer compatible with the existing version of Sign in with World ID. The current usage of this feature was taken into consideration. A new version of Sign in with World ID is planned in the future with enhanced functionality and compatibility with existing standards.

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What are the changes?

  • Starting September 29, 2025, no new apps will be able to enable Sign in with World ID.
  • The Sign in with World ID API will be shut down (id.worldcoin.org) on January 31, 2026.
  • The Sign in with World ID functionality in the Developer Portal will be removed.

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What should I do?

  • If you are using Sign in with World ID, you should migrate to IDKit.
  • If you are solely using Sign in with World ID for authentication, we recommend migrating your users to different authentication providers. For example, if you are a Mini App, you can migrate to Wallet Authentication. Your users will be able to log in until January 31, 2026 to add different authentication providers.
  • Naturally if you have any questions, please reach out on Telegram.
Stay tuned for more updates on the World ID v25 Protocol release.