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API

Our API

Learn about Smartpay Fuse REST APIs, SDKs and sample codes.

View sample code and API field descriptions. Send requests to the sandbox and see the responses.

Developer guides

View feature-level guides with prerequisite and use-case information for implementing our API

Sample code on [GitHub]

Sample codes published on GitHub for each REST API in 6 popular languages

SDKs on [GitHub]

Client SDKs source code published on GitHub in 6 popular languages

Hello world

Getting started

Use these developer resources to make your first API call.

Step by step guide to make first Smartpay Fuse REST API call.

Common setup questions

Commonly-encountered problems and solutions.

Guide with sandbox testing instructions and processor specific testing trigger data.

Support

Support

Reach out to our award-winning customer support team, or contact sales directly.

Frequently asked questions relating to Smartpay Fuse REST APIs and Developer Centre.

Learn more about how our services can help your business.

Response (error) codes

Understand all different error codes that Smartpay Fuse REST API responds with.

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