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Schema
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Sandbox
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post
/webhooks/test
Send a test webhook
post
/sandbox/send
Simulate sending funds
post
/sandbox/uma/receive
Simulate payment send to test receiving an UMA payment
post
/sandbox/internal-accounts/{accountId}/fund
Simulate funding an internal account
post
/sandbox/cards/{id}/simulate/authorization
Simulate a card authorization
post
/sandbox/cards/{id}/simulate/clearing
Simulate a card clearing
post
/sandbox/cards/{id}/simulate/return
Simulate a card return
post
/sandbox/cards/{id}/simulate/balance_inquiry
Simulate a card balance inquiry
post
/sandbox/cards/{id}/simulate/credit_authorization
Simulate a card credit authorization
post
/sandbox/cards/{id}/simulate/financial_authorization
Simulate a card financial authorization
post
/sandbox/cards/{id}/simulate/financial_credit_authorization
Simulate a card financial credit authorization
post
/sandbox/cards/{id}/simulate/authorization_advice
Simulate a card authorization advice
post
/sandbox/cards/{id}/simulate/credit_authorization_advice
Simulate a card credit authorization advice
post
/sandbox/cards/{id}/simulate/return_reversal
Simulate a card return reversal
post
/sandbox/cards/{id}/simulate/authorization_reversal
Simulate a card authorization reversal
post
/sandbox/cards/{id}/simulate/authorization_expiry
Simulate a card authorization expiry
post
/sandbox/cards/{id}/simulate/dispute_open
Simulate opening a card dispute
post
/sandbox/cards/{id}/simulate/dispute_provisional_credit
Simulate a provisional credit on a card dispute
post
/sandbox/cards/{id}/simulate/dispute_provisional_credit_reversal
Simulate reversing a provisional credit on a card dispute
post
/sandbox/cards/{id}/simulate/dispute_close
Simulate closing a card dispute
Stablecoins
12
Strong Customer Authentication
16
Transactions
6
Webhooks
Webhooks
13
Sandbox
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Changes to Simulate a provisional credit on a card dispute
post
/sandbox/cards/{id}/simulate/dispute_provisional_credit
Sep 15, 2026
0bea6bdd0b0b
Revision changes
info
endpoint added