Search TipsSegpay Gateway Docs
Integration guides and reference material for connecting your site to the Segpay transaction processing system.
Start here
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Core reference for transaction requests, responses, and postbacks.
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Processors and platforms supported by the Gateway.
Pay pages
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Hosted Pay Page Signed RequestsNew
Sign the amount and other fields so they cannot be altered in the join link.
Card authentication
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3D Secure Integration Guide (MPI V4)New
Use this guide for all new 3D Secure integrations.
Reference
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Merchant Advice & Response Codes
Look up what a response code means and what to do next.
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Common questions about TC40 fraud reports.