OpenRouter AI_APICallError: User not found despite valid API key
Fix OpenRouter AI_APICallError 'User not found' when API key works for direct API calls Includes evidence for OpenRouter troubleshooting demand.
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OpenRouter API 401 AuthenticationError — Valid Key but Authentication Fails
Fix OpenRouter API returning 401 error even when API key is valid and has credits Includes evidence for OpenRouter troubleshooting demand.
AuthenticationError [HTTP 401] - API call failed despite valid API key and available credits OpenRouter provider returns 401 unauthorized error in Cline and other AI tools
Fix OpenRouter 401 authentication error when using Cline, Aider, or other AI coding tools Includes evidence for OpenRouter troubleshooting demand.
Provider returned error OpenRouter returns 401 Missing Authentication header in OpenClaw and LiteLLM chains
Fix OpenRouter 401 Missing Authentication header error in proxy chains Includes evidence for OpenRouter troubleshooting demand.
401 Missing Authentication header Spring AI + OpenRouter Blocking Call Error in WebFlux
Fix Spring WebFlux blocking error when using Spring AI with OpenRouter API Includes evidence for OpenRouter troubleshooting demand.
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