Idempotency

6 items tagged with "idempotency"

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Best Practices1

Idempotency Keys

A pattern where clients send a unique key with unsafe requests so the server can safely retry without applying the same operation twice, preventing duplicate charges or records.

Patterns1

Pattern

Idempotency Key

Attaches a unique key to a request so the server can detect and de-duplicate retries, making non-idempotent operations safe to repeat.

Tutorials1

Tutorial

How to Implement Secure Webhooks

Send and receive webhooks with HMAC signatures, idempotency keys, retries with backoff, and replay protection.

FAQs2

FAQ

What does idempotency mean in APIs?

An operation is idempotent if performing it multiple times has the same effect as performing it once. In HTTP, GET, PUT, and DELETE are defined as ide...

FAQ

What is an idempotency key?

An idempotency key is a unique client-generated identifier, often a UUID, sent with a request so the server can recognize and safely deduplicate retri...

Glossaries1

Glossary

Idempotency

Idempotency is the property that performing an operation multiple times produces the same result as performing it once, making safe retries possible in distributed systems.