# API Gradio Spaces error API request failed: 404 {"detail":"Not Found"} **URL:** \ **Category:** Beginners\ **Created:** [March 23, 2025, 2:41pm UTC](https://discuss.huggingface.co/t/api-gradio-spaces-error-api-request-failed-404-detail-not-found/147053 "2025-03-23T14:41:07Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![John6666](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/john6666/32/27664_2.png) [@John6666](https://discuss.huggingface.co/u/John6666)\ **Post date:** [March 23, 2025, 3:33pm UTC](https://discuss.huggingface.co/t/api-gradio-spaces-error-api-request-failed-404-detail-not-found/147053/2 "2025-03-23T15:33:07Z")
> status: 405, > text: ‘Method Not Allowed’ 405 errors are very rare. 404 errors are common, though… > > > \### Describe the bug > > Originally reported \[here\](https://huggingface.co/spaces/h…ysts/Shap-E/discussions/18). > > If a Space had a method with \`api\_name=False\`, the following error occurs when calling it with \`Client\`: > \`\`\` > TypeError: can only concatenate str (not "bool") to str > \`\`\` > > I think this error occurs when calling a Space with \`gr.Examples\`. > > \### Have you searched existing issues? 🔎 > > \- \[X\] I have searched and found no existing issues > > \### Reproduction > > When I use \`Client\` to call \[this Space\](https://huggingface.co/spaces/hysts-debug/client-bool-api-name-error) > \`\`\`python > import gradio as gr > > with gr.Blocks() as demo: > text = gr.Text() > out = gr.Text() > btn = gr.Button() > text.submit(fn=lambda x: x, inputs=text, outputs=out, api\_name=False) > btn.click(fn=lambda x: x, inputs=text, outputs=out, api\_name='run') > demo.queue().launch() > \`\`\` > with the following code > \`\`\`python > from gradio\_client import Client > > client = Client('hysts-debug/client-bool-api-name-error') > out = client.predict('aaa', api\_name='/run') > \`\`\` > I get the following error. > \`\`\` > Traceback (most recent call last): > File "/tmp/temp/run.py", line 4, in \ > out = client.predict('aaa', api\_name='/run') > File "/home/ubuntu/.virtualenvs/py31011/lib/python3.10/site-packages/gradio\_client/client.py", line 285, in predict > return self.submit(\*args, api\_name=api\_name, fn\_index=fn\_index).result() > File "/home/ubuntu/.virtualenvs/py31011/lib/python3.10/site-packages/gradio\_client/client.py", line 313, in submit > inferred\_fn\_index = self.\_infer\_fn\_index(api\_name, fn\_index) > File "/home/ubuntu/.virtualenvs/py31011/lib/python3.10/site-packages/gradio\_client/client.py", line 555, in \_infer\_fn\_index > if "/" + config\_api\_name == api\_name: > TypeError: can only concatenate str (not "bool") to str > \`\`\` > > If I remove the method with \`api\_name=False\`, the error doesn't occur. > > In the case of the \[Shap-E Space\](https://huggingface.co/spaces/hysts/Shap-E), it doesn't have methods with \`api\_name=False\` explicitly, but as it has \`gr.Examples\`, I guess its method has \`api\_name=False\` implicitly and causing this error. > > If I change the code of the Space to the following, the same error occurs. > \`\`\`python > import gradio as gr > > with gr.Blocks() as demo: > text = gr.Text() > out = gr.Text() > btn = gr.Button() > gr.Examples(examples=\['aaa', 'bbb'\], inputs=text) > btn.click(fn=lambda x: x, inputs=text, outputs=out, api\_name='run') > demo.queue().launch() > \`\`\` > > \### Screenshot > > \_No response\_ > > \### Logs > > \_No response\_ > > \### System Info > > \`\`\`shell > gradio==3.36.1 > gradio\_client==0.2.8 > \`\`\` > > > \### Severity > > Blocking usage of gradio > > > \### Describe the bug > > gr.Interface(fn=generate\_answer, inputs=inputs, outputs=ou…tputs, title=title, description=description, examples=examples).launch(share=True,server\_name="172.16.1.88",server\_port=7877,) > > > \### Have you searched existing issues? 🔎 > > \- \[X\] I have searched and found no existing issues > > \### Reproduction > > I wanted to request the URL using the API, but it failed > > \### Screenshot > > \_No response\_ > > \### Logs > > \_No response\_ > > \### System Info > > \`\`\`shell > Name: gradio > Version: 3.28.3 > Summary: Python library for easily interacting with trained machine learning models > Home-page: > Author: > Author-email: Abubakar Abid \, Ali Abid \, Ali Abdalla \, Dawood Khan \, Ahsen Khaliq \, Pete Allen \, Ömer Faruk Özdemir \ > License: > Location: /home/wangchenpeng/miniconda3/envs/glm/lib/python3.9/site-packages > Requires: aiofiles, aiohttp, altair, fastapi, ffmpy, gradio-client, httpx, huggingface-hub, jinja2, markdown-it-py, markupsafe, matplotlib, mdit-py-plugins, numpy, orjson, pandas, pillow, pydantic, pydub, pygments, python-multipart, pyyaml, requests, semantic-version, typing-extensions, uvicorn, websockets > Required-by: > \`\`\` > > > \### Severity > > I can work around it > [@Gradio JS Client Predict Error on Private Space](https://discuss.huggingface.co/t/gradio-js-client-predict-error-on-private-space/114456): > > Gradio JS Client raises error when use Private Space. (Python Client works.) connect and view\_api APIs work without any issue. When call predict API, following error happens. (If make space public, no error.) Any help would be appreciated. Response { status: 404, statusText: 'Not Found', headers: Headers { date: 'Tue, 29 Oct 2024 01:06:13 GMT', 'content-type': 'text/html; charset=utf-8', 'content-length': '3020', connection: 'keep-alive', 'x-request-id': 'Sb9C2M', … --- _[View the full topic](https://discuss.huggingface.co/t/api-gradio-spaces-error-api-request-failed-404-detail-not-found/147053)._