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The Purchase API is designed to send payment requests to debit customer’s payment instrument and send a notification to merchants about a payment that has just been made. This documentation describes how a third-party will integrate with our API and gain in-depth knowledge about all the components of our API and how they interrelate.

The process Flow of the Purchase API

The Purchase APIs are HTTP based RESTful APIs therefore API request and response format are in JSON. We have provided sample request and responses next to each endpoint in this documentation. All you need to do is replace the dummy parameters with yours. You can also use our collections page to view our API calls directly on your browser or download our postman collection and environment variables to easily test the Purchase API.


Test - https://qa.interswitchng.com

Production - https://passport.interswitchng.com

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