Business
OAuthHTTPSNo CORS
Business
Square
Easy way to take payments, manage refunds, and help customers checkout online.
Square API is a free Business API that requires OAuth authentication, is served over HTTPS and has unconfirmed CORS support.
- Authentication
- OAuth
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Business
Visit documentation ↗developer.squareup.com
About Square Developer
This API Reference has all the detailed API endpoint information you need to build with our APIs. Square APIs let you take payments securely, integrate your application with Square first-party products, and do so much more
- Provider
- Square Developer
- Website
- developer.squareup.com ↗
Details from developer.squareup.com.
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Square API FAQ
Who provides the Square API?
The Square API is provided by Square Developer (developer.squareup.com). This API Reference has all the detailed API endpoint information you need to build with our APIs. Square APIs let you take payments securely, integrate your application with Square first-party products, and do so much more
Is the Square API free?
Yes. The Square API is listed in the Business category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Square API require an API key?
Yes. The Square API uses OAuth authentication, so you need to register for credentials before making requests.
Can I call the Square API from the browser?
CORS support for the Square API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Does the Square API support HTTPS?
Yes. The Square API is served over HTTPS, so it's safe to use in production.