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Fix stability issues and errors when using Google Gemini API through OpenAI-compatible custom provider endpoint Includes evidence for Gemini API troubleshooting demand.
Google Gemini API stability issues/errors via OpenAI-compatible custom provider endpoint Fix OpenRouter AI_APICallError 'User not found' when API key works for direct API calls Includes evidence for OpenRouter troubleshooting demand.
AI_APICallError: User not found 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 Fix OpenRouter 401 authentication error when using Cline, Aider, or other AI coding tools Includes evidence for OpenRouter troubleshooting demand.
Provider returned error Fix OpenRouter 401 Missing Authentication header error in proxy chains Includes evidence for OpenRouter troubleshooting demand.
401 Missing Authentication header Fix Spring WebFlux blocking error when using Spring AI with OpenRouter API Includes evidence for OpenRouter troubleshooting demand.
block()/blockFirst()/blockLast() are blocking