[GH-ISSUE #20967] feat: Support for /v1/messages #58012

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opened 2026-05-05 22:10:31 -05:00 by GiteaMirror · 2 comments
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Originally created by @The-LittleTeapot on GitHub (Jan 27, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/20967

Check Existing Issues

  • I have searched for all existing open AND closed issues and discussions for similar requests. I have found none that is comparable to my request.

Verify Feature Scope

  • I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions.

Problem Description

It would be nice to have support for the anthropic endpoints /v1/messages
so we can use claude code with models on open webui.

Desired Solution you'd like

Support anthropic format (/v1/messages)

Alternatives Considered

No response

Additional Context

No response

Originally created by @The-LittleTeapot on GitHub (Jan 27, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/20967 ### Check Existing Issues - [x] I have searched for all existing **open AND closed** issues and discussions for similar requests. I have found none that is comparable to my request. ### Verify Feature Scope - [x] I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions. ### Problem Description It would be nice to have support for the anthropic endpoints `/v1/messages` so we can use claude code with models on open webui. ### Desired Solution you'd like Support anthropic format (`/v1/messages`) ### Alternatives Considered _No response_ ### Additional Context _No response_
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@Classic298 commented on GitHub (Jan 27, 2026):

duplicate + not wanted
anthropic API is no universal standard
use pipes, their openai compatible api, openrouter, litellm or other services instead
also check the other issues using the search that have requested this before

<!-- gh-comment-id:3805774491 --> @Classic298 commented on GitHub (Jan 27, 2026): **duplicate** + not wanted anthropic API is no universal standard use pipes, their openai compatible api, openrouter, litellm or other services instead also check the other issues using the search that have requested this before
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<!-- gh-comment-id:3805778476 --> @Classic298 commented on GitHub (Jan 27, 2026): Plus: https://docs.openwebui.com/faq#q-why-doesnt-open-webui-support-specific-providers-latest-api-eg-openai-responses-api
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Reference: github-starred/open-webui#58012