Square

Square Customers API

The Customers API lets applications create and manage customer profiles to streamline bookings, build loyalty programs, sell gift cards, and offer discounts. It enables syncing CRM systems with Square.

GitHub OpenAPI

Documentation

📖
Documentation
https://developer.squareup.com/docs/customers
📖
APIReference
https://developer.squareup.com/reference/square/customers-api

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/square/refs/heads/main/openapi/square-openapi.yml