AutomateLab

Cursor errors / Other

We encountered an issue when using your API key: Provider was unable to process your request

platform: Cursor / category: Other

Cause

The provider rejected the request at the API level - typically because 'Override OpenAI Base URL' is enabled while using an Anthropic key, sending a malformed request to the wrong endpoint.

Fix

In Settings > Models > API Keys, turn off 'Override OpenAI Base URL'. Confirm the key is in the correct provider field with no whitespace. Test the key independently (curl or the provider playground) to rule out a revoked/quota-exhausted key. If a 400, confirm the model name is one the key's org can access.

Source thread →

Part of the Automation Error Index — Cursor errors: browse all.

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