Square

Square Orders API

The Orders API lets applications itemize payments using custom line items or catalog objects, send orders to physical Point of Sale devices for fulfillment, attach customers to payments, and search through all of a seller's past sales with itemization data.

Documentation GitHub OpenAPI

Documentation

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Documentation

https://developer.squareup.com/docs/orders-api/what-it-does

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APIReference

https://developer.squareup.com/reference/square/orders-api

Specifications

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OpenAPI

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