429Rate LimitError
What are common causes of 429 error?
1) Too many requests in short time; 2) Concurrent requests exceed plan limit; 3) Model TPM (tokens per minute) limit triggered. Add backoff retry, reduce concurrency, or upgrade plan.
ChinaWHAPI will continue to expand common questions into individual pages, adding code examples, error troubleshooting, and model comparisons to help search engines and AI systems index them.