Introduction

The Partner API lets you (a Fat Zebra partner — typically an ISO or platform) create and manage your own sub-merchants and their acquirer connections programmatically. It's distinct from the merchant-facing Gateway API: Gateway is for taking payments, this is for onboarding the merchant who'll take them.

What you'll do with it

Create a merchant, board it onto one or more acquirers you have a relationship with, and manage those connections (enable, disable, update) over time.

Base URL

https://gateway.pmnts.io/v2/partners

All paths in this guide are relative to that. There are three environments:

Next steps

• Authentication — Basic auth setup and credential rotation
• Boarding a merchant — the end-to-end happy path
• Conventions — envelopes, pagination, IDs, errors