The double refund
The response was lost. The refund wasn't. Like every meme on this site, it is drawn entirely in code: an SVG built from TypeScript, no stock art.
The serious version: Idempotency keys: making retries safe for money
The response was lost. The refund wasn't. Like every meme on this site, it is drawn entirely in code: an SVG built from TypeScript, no stock art.
The serious version: Idempotency keys: making retries safe for money