Skip to content

Glossary: Redis and Caching

Retry-After

Also written: X-RateLimit-Limit, X-RateLimit-Remaining

A response header giving the seconds to wait before trying again, sent with a 429. `X-RateLimit-Limit` and `X-RateLimit-Remaining` show the requests allowed and the requests left.

Where the book teaches it

Related terms

HTTP status codesRate limit