Sandbox entry to the switch, registered only in the sandbox: one packed ISO 8583 message on a network's simulated profile, decided as a simulator link would decide it (svc_cardnet with cards:switch:network)
POST
/simulate/cards/switch/messagesHeaders
Idempotency-KeystringOptionalSend on every write that creates or changes money or state; a replay with the same key returns the original result with 200.
Returns
200 OK
Errors
Every error is a problem document with a stable code. See Errors.
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