401 | Invalid or revoked key, or entered in another profile — make sure your Hostlinku profile is active. |
404 on all requests | The base URL is missing /v1 (OpenAI path) or, conversely, uses /v1 in the Anthropic path. Compare with the screenshot above. |
404 model_not_found | Incorrect model ID; copy it from GET /v1/models. |
| The Claude/DeepSeek model is not in the dropdown | The OpenAI provider only displays OpenAI models — use OpenAI Compatible. |
| The agent stops without calling a tool | Model without tool calling. Follow the recommendations in Overview. |