Documentation

Connect to ZergPay

A REST API with one endpoint each for acquiring, payouts and refunds. Idempotency, HMAC signing and detailed webhooks - built in. Test keys are issued at signup, production after KYC.

5 minutes
Quickstart

From signup to a successful test payment. One curl, one webhook.

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REST
API Reference

Payments, payouts and refunds - with curl, Node and Python samples.

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Async
Webhooks

Platform events, signature verification, retries and a realtime stream.

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Security
Authentication

sk_test / sk_live keys, HMAC, Idempotency-Key, IP allow-list.

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Popular

Errors
HTTP codes and error.code
Payment statuses
Lifecycle and transitions
Sandbox
Amount-based triggers
SDKs
7 languages
Recipes
Accept, refund, polling
OpenAPI
Specification
Live Explorer

You can fire any endpoint straight from the API Reference page - no copy-pasting curl. The simulator answers sk_test requests.

API version: 2026-05-01. See changes in the changelog.