Response envelope
Every response uses the same envelope:
Always check
code as well as the HTTP status.
Pagination
List endpoints acceptpage and limit query parameters and return a page object in data:
Asynchronous operations
Card operations such as create, top up, withdraw, freeze, unfreeze and close are processed asynchronously. The API accepts the request and returns a transaction ID; the final result is delivered to your webhook. Pass your ownclientTransactionId on these requests to match webhooks to your records. If you omit it, the API generates one and returns it.