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Schema
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ACH
4
Agent Keys
4
Agent Tokens
7
Agents
5
API Keys
4
Approvals
4
Card Payments
2
Card Sessions
4
Chargebacks
8
Check
4
Customers
7
Events
3
External Accounts
5
External Parties
4
External Party Accounts
3
Invitation Links
4
Invitations
3
Merchant Reports
1
Parties
12
Payment Intents
5
PaymentRequests
7
Payments
4
Realtime
4
Refunds
3
Simulations
22
post
/simulations/invite-customer
Invite test customer
post
/simulations/customers/{customerId}/transfers/deposit
Fund test customer
post
/simulations/external-accounts/link
Link test bank account
post
/simulations/payments/{paymentId}/complete-claim
Complete payment claim
post
/simulations/payment-requests/{paymentRequestId}/fulfill
Fulfill payment request as test payer
post
/simulations/payment-requests/{paymentRequestId}/decline
Decline payment request as test payer
post
/simulations/realtime/{realtimeId}/settle
Sandbox: settle a realtime payment
post
/simulations/realtime/{realtimeId}/fail
Sandbox: fail a realtime payment
post
/simulations/wire/{wireId}/settle
Sandbox: settle a wire payment
post
/simulations/wire/{wireId}/fail
Sandbox: fail a wire payment
post
/simulations/check/{checkId}/deposit
Sandbox: deposit a check payment
post
/simulations/check/{checkId}/fail
Sandbox: fail a check payment
post
/simulations/check/{checkId}/bounce
Sandbox: bounce a check payment
post
/simulations/check/{checkId}/void
Sandbox: void a check payment
post
/simulations/check/{checkId}/stop
Sandbox: stop a check payment
post
/simulations/check/{checkId}/deliver
Sandbox: deliver a check payment
post
/simulations/check/{checkId}/return-to-sender
Sandbox: return a check to sender
post
/simulations/card-payments/{cardPaymentId}/settle
Sandbox: settle a card payment
post
/simulations/customer-invitations/{invitationId}/accept
Accept customer invitation as test customer
post
/simulations/customer-invitations/{invitationId}/decline
Decline customer invitation as test customer
post
/simulations/customers/{customerId}/agents/{agentId}/revoke
Revoke agent access as test customer
post
/simulations/customers/{customerId}/disconnect
Disconnect test customer
Transactions
2
Transfers
5
Voice
4
Wallets
11
Webhooks
6
Wire
4
Simulations
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Changes to Sandbox: fail a check payment
post
/simulations/check/{checkId}/fail
Oct 14, 2026
fc6e70702c11
Revision changes
info
endpoint added