API Design Jul 18, 2026 10 min read
API Rate Limit Headers Explained
Learn how API rate limit headers communicate quotas, remaining capacity, retry timing, and client behavior across current and legacy formats.
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HTTP Headers
2 articles with this tag. Follow these related notes when you want a narrower study path.
API Design Jul 18, 2026 11 min read
API Deprecation Headers Explained
Use RFC 9745 Deprecation, deprecation links, and Sunset headers to communicate API lifecycle dates, migration guidance, and removal plans.