Please find complete documentation from https://docs.transaction-monitor.io/.
Blu Penguin Merchant API v1 (v1)
Download OpenAPI description
Languages
Servers
Mock server
https://docs.transaction-monitor.io/_mock/blupenguin_openapi_v1/
Blu Penguin Merchant API sandbox
https://api.sandbox.transaction-monitor.io/
Blu Penguin Merchant API production
https://api.transaction-monitor.io/