What’s a 429 Too Many Requests HTTP Error?!
What’s a 429 Too Many Requests Error?
HTTP 429 – Too Many Requests means the client is sending requests faster than the server is willing (or able) to handle.
You’ll often see this when:
• A user is spamming refresh on a page.
• An API client isn’t respecting rate limits.
• Bots are crawling your site too aggressively.
Instead of crashing, the server responds with 429 to say:
• “I heard you, but slow down.”
• Usually, it also includes a Retry-After header that tells the client how long to wait before trying again.
This is a critical part of backend systems because it helps prevent abuse, protects resources, and ensures fair usage for everyone.
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