// BUSINESS
Square
Easy way to take payments, manage refunds, and help customers checkout online
Square is a free public Business API that requires OAuth authentication. It supports HTTPS.
// FACTS
- Category
- Business
- Authentication
- OAuth
- HTTPS
- yes
- CORS
- unknown
- Endpoint
- developer.squareup.com
- Cost
- Free
// FREQUENTLY ASKED
What is Square?
Square is a free public API in the Business category. Easy way to take payments, manage refunds, and help customers checkout online
Does Square require authentication?
Yes — Square requires OAuth authentication to make requests.
Is Square free?
Yes. Square is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does Square support HTTPS?
Yes, Square supports HTTPS encrypted requests.