🚥 Idempotency Handler, for making sure incoming requests are idempotent. Useful for payments, "at least once delivery" systems and more.

Gem for supporting idempotency in your Grape APIs

Plug that makes POST and PATCH requests idempotent

Idempotent Package for Laravel

My vision of pretty good FastAPI project template to start with

Make any mutating endpoint idepmotent

Interpret HTTP responses and handle failures in Swift.

Implement idempotent endpoints in Laravel à la Stripe

A Rack Middleware implementing the idempotency design principle using the Idempotency-Key HTTP header.

makes any request idempotent across nodejs frameworks like nestjs, express, fastify