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WEX for developers

Tap into the power of WEX through our no-cost API library.

Explore APIs

Build your business by building with WEX technology

Developers can discover our payments APIs, see appropriate documentation, and learn how to use them at our developer portal. We invite you to leverage the long legacy of WEX innovation to deliver an enhanced customer experience in your own business. 

Available APIs include documentation for:

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We are making our scalable, secure and agile technology available via APIs to developers who want to leverage our long history of solving complex B2B payments challenges. This is developer-focused and caters to their needs.
Jay Dearborn
Jay Dearborn
President, WEX Corporate Payments
countries and territories