v1

latestOpenAPI 3.1.0© Modulr Finance2026-08-04207430590.4 KB

Card Simulator

Reverse the card authorisation

Simulate a reversal of an authorization for a card

post/authorisations/{authId}/reverse

authIdstring required

Card authorisation id to be reversed

reversalAmountnumber

Amount to reverse. If absent or equal to the open amount, a full reversal is performed. Must not exceed the open amount.

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