All challenges
Multiple ChoiceBeginner 45s

Webhook retry with idempotency

A webhook consumer occasionally receives duplicates after retries. What should the sender include to let consumers dedupe?
Options
  1. 1A new random ID per retry attempt
  2. 2A stable event id and delivery idempotency key
  3. 3Only the payload body hash of the response
  4. 4The current server timestamp

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle