This guide details common errors encountered when using LLM APIs in 2026, offering solutions for developers. It covers status codes like 400 (Bad Request), 401 (Unauthorized), 403 (Forbidden), 429 (Too Many Requests), 500 (Internal Server Error), and 503 (Service Unavailable), with specific examples for providers such as OpenAI, DeepSeek, Anthropic, and Google. The guide emphasizes robust error handling strategies, including retry mechanisms and the use of API gateways for managing multiple providers. AI
IMPACT Provides essential guidance for developers building applications with LLM APIs, improving reliability and robustness.
RANK_REASON Guide on using LLM APIs, not a new release from a frontier lab.
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