Web
Idempotency Keys in a Rust API for Safe Retries Step by Step
An idempotency key lets clients retry a POST without charging twice. The server stores the first response and replays it for the same key.
3 min read
Tag
idempotency
2 posts
Architecture
Idempotency Keys in Rust APIs and Safe Request Retries
Make POST requests safe to retry: clients send an Idempotency-Key, the server stores the first result keyed on it and replays it. An Axum and SQLx implementation with edge cases.
4 min read