Cardknox REST API

Payments Transactions

The Cardknox API integrates payments into online, mobile, and in-store applications. It uses the same URL for sandbox and live accounts and it requires xKey to authenticate. The API supports Credit Card, Check (ACH), EBT, Gift Card and Fraud Protection transactions. Cardknox is a developer-friendly payment system.

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API Endpoint https://x1.cardknox.com/gateway

API Portal / Home Page https://kb.cardknox.com/api/

Primary Category Payments

Secondary Categories Transactions

Developer Home Page

SSL Support Yes

Twitter URL https://twitter.com/cardknox

Support Email Address sales@cardknox.com

Authentication Model API Key

Version status Recommended (active, supported)

Is the API Design/Description Non-Proprietary ? Yes

Type Web/Internet

Scope Single purpose API

Device Specific No

Architectural Style REST

Supported Request Formats URI Query String/CRUD

Supported Response Formats JSON, XML

Is This an Unofficial API? No

Is This a Hypermedia API? No

Restricted Access ( Requires Provider Approval ) No

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