[GH-ISSUE #10949] issue with calling tools integrated with a model via REST API #16086

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opened 2026-04-19 22:07:18 -05:00 by GiteaMirror · 0 comments
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Originally created by @visagansanthanam-unisys on GitHub (Feb 28, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/10949

i have built a tool and integrated it into my openwebui instance. On the WebUI, via chat, I am able to trigger the tool with a prompt. However, when I do the same via API, the model does not use the tool.

Image

when the same model is called via API, the response is completely different and it ignores the tool call.
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Originally created by @visagansanthanam-unisys on GitHub (Feb 28, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/10949 i have built a tool and integrated it into my openwebui instance. On the WebUI, via chat, I am able to trigger the tool with a prompt. However, when I do the same via API, the model does not use the tool. ![Image](https://github.com/user-attachments/assets/5945049f-0fd1-415b-a069-bee0844a7120) when the same model is called via API, the response is completely different and it ignores the tool call. ![Image](https://github.com/user-attachments/assets/73a17461-dd3e-46e6-b216-396b0c4fc8fa)
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Reference: github-starred/open-webui#16086