Error: Too many requests (429)
You've hit your plan's rate limit. Immediate fix: wait and retry with exponential backoff (start at 1s, double each attempt). Longer term: cache responses that don't need real-time freshness, reduce polling frequency, and batch queries where possible.
Plan limits: Individual 10 req/min, Builder 100 req/min, Scale 500 req/min. Upgrade if you're consistently hitting limits in production.
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