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Overview

The Switchbench public data plane exposes a single REST endpoint, POST /transaction, which originates a test authorization into the platform.

Switchbench asks the Visa or Mastercard engine to prepare an outbound ISO 8583 authorization, writes it over your existing client-established mTLS TCP connection through the FRP edge to your fintech backend, waits for that backend’s response, and finalizes it into the REST response you receive. A pure-REST caller with no active mTLS TCP connection for the org receives a 502 delivery error on the outbound leg — see Initiating a test transaction over REST.

Send your CPS-issued API key as a bearer token: Authorization: Bearer sk_live_…. Create one from the dashboard; see Before you begin.

Security scheme type: http