The user taps the send money button, and the… - Networking | Daily iOS

Back to question bank

NetworkingPayPal

Idempotency keys for transfers

The user taps the send money button, and the signal drops right after the request goes out. What should the app do?

Your answer

NetworkingMultiple choiceAdvanced
A payment confirmation request, POST /payments, failed with URLError.timedOut. Select all…
#idempotency #retry #payments
NetworkingShort answerBasics
A payment confirmation API times out now and then. A junior engineer opened a PR that say…
#idempotency #retry
NetworkingMultiple choiceBasics
An idempotent GET request failed. Select all the failures where an automatic retry (with …
#retry
NetworkingMultiple choiceBasics
For a take-home assignment you wrote this code that POSTs JSON with URLRequest. Select al…
#post