SpayonPayment Gateway API

A comprehensive integration guide for vendors — covering authentication, session creation, callbacks, and more.

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Secure Authentication

Bearer token-based authentication with 1-hour expiry. Generate a fresh token before each integration session.

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Create a payment session with a single API call and redirect the user to a hosted, fully managed payment page.

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HMAC-SHA256 signed POST callbacks with up to 3 automatic retries at 5-minute intervals ensure you never miss a payment event.

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Support Visa/Mastercard and MIR payment methods. Control which methods are available per session.