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Read release notesCircle APIs support idempotent requests, which are a type of request method that executes only once no matter how many times the request is sent. Result: you can safely retry API calls when things go wrong during a transaction (such as a network connection issue) before you receive a response.
To ensure success, please note the following:
idempotencyKey
body parameter must be sent in UUID format.The following Circle API operations support idempotent requests. Check the API reference for more details.
Core Functionality
Payments API
Payouts API
Accounts API