It is official api of Mastercard. It lets you create custom payment solutions for your website needs. For example, you can :— - provide consumer friendly merchant details for every transaction. - deliver an entirely digital end-to-end payment experience - parents can use their conversational device to send funds and set spending limits - find contactless merchants on-the-go - build a cashless solution for any parent whose child goes to school using public transport - instantly and securely make payments to your workers and - get updated card information in real-time

Square
- Category: Finance
Customized Solutions with Square APIs
Square APIs are powerful, secure, and reliable tools that enable developers to build customized solutions for businesses. These solutions can manage payments, products, customers, and daily business operations. Additionally, the Square API ecosystem is free to use, meaning that developers can create full-featured business apps for themselves and millions of Square sellers.
The Square API Reference is organized around core business workflows, such as taking payments, managing orders, syncing items and inventory, creating customer records, managing business locations, and enabling Square sellers to use third-party apps. Here are five benefits of using Square APIs:
- Secure payment acceptance for in-person or online transactions.
- Fast and flexible catalog management with support for individual and batch updates.
- Access to customer data to create applications that drive sales and loyalty.
- Improved inventory management for better supply chain decisions.
- Integration with timekeeping or collaboration tools for high-performing teams.
API Example Code Sample
Here's an example of how to integrate Square APIs into a JavaScript application. This code snippet shows how to fetch a list of business locations using the Square API:
const accessToken = 'YOUR_ACCESS_TOKEN'; const apiUrl = 'https://connect.squareup.com/v2/locations'; const headers = { 'Authorization': `Bearer ${accessToken}`, 'Accept': 'application/json', 'Content-Type': 'application/json' }; const response = await fetch(apiUrl, { headers: headers }); const locations = await response.json(); console.log(locations);
Note: This is just an example and requires a valid access token to work. Please visit the Square Developer Portal to learn more about implementing Square APIs in your application.