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With Square APIs and SDKs, its Square customized.
Supercharge Square for sellers of every size. Our entire connected commerce platform from elegant hardware to a rich suite of Square APIs is yours to build with. Whether youre developing an app or composing a bespoke solution, this is the place to make it happen.
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Manage clients.
Bookings API, Customers API, and more
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Analyze data.
ListPayments, Listpayouts, and more
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Sell everywhere.
Terminal API, Mobile Payments SDK, and more
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Deliver orders.
Orders API, Catalog API, and more
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Move money.
Payments API, Payouts API, and more
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Get creative.
20 Square APIs, 100+ endpoints, and more
Build it your way with the tools you need and the tech you love.
Square backend SDKs
Develop in Python, Node.js, Ruby, PHP, Java, and .NET.
API Explorer, GraphQL Explorer, and Connect Postman
Explore endpoints, test your integration, send http requests, and more with a trio of tools designed to help you validate your build.
API logs
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Webhooks, event logs, and subscriptions
Get notifications about your application(s) with in-depth webhooks features.
Square sample applications
Experiment with OAuth, Square SDKs, GraphQL, and mobile.
Compose your app or integration with a robust suite of Square APIs and developer resources.
Payment APIs and SDKs
Give sellers the flexibility to process online, in-person, and in-app transactions.
Commerce APIs
Allow sellers to process orders, to manage catalogs, to track inventory, to book reservations, and to customize Square Online.
Customer APIs
Create a path for sellers to grow relationships by integrating customer, loyalty, and gift card features directly into your application.
Staff APIs
Ensure sellers can compensate their employees and schedule staff with team management and recording tools.
Merchant APIs
Support sellers as they leverage the Square platform across all aspects of their businesses and across multiple locations.
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