Cardtonic

Cardtonic Gift Card Developer API

The Cardtonic Gift Card Developer API enables merchants and platforms to integrate gift card services into their websites, mobile apps, and point-of-sale systems. The API exposes a catalog of more than 14,000 gift cards for purchase and sale, bulk ordering with instant reporting, inventory and redemption management, and branding/customization hooks. As of 2026 the API is in waitlist mode and developer credentials are issued through Cardtonic on request.

GitHub OpenAPI

Documentation

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Documentation
https://cardtonic.com/developer

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/cardtonic/refs/heads/main/openapi/cardtonic-openapi.yml

Other Resources

🔗
Signup
https://cardtonic.com/developer