Documentation
One REST call to accept a payment, one signature check for trust. Your first sandbox invoice takes about five minutes; production integration with webhook verification usually fits within one business day.
Quickstart
Create your first invoice with payment_currency=any, send the buyer to hosted checkout and receive a signed webhook.
Transit checkout guide
How the 1% transit checkout works: payout address, auto-sweep, batching and what your customers see.
Direct checkout guide
Connect your own wallet: xPub for EVM and BTC, static address + unique amounts for TRON/TON, view key for Monero.
Webhooks reference
Events, payload, signature headers, the 1m→12h retry ladder and idempotency rules for webhook consumers.
HMAC signature verification
Verify webhook signatures in Node.js, PHP and Python — constant-time comparison and the 5-minute timestamp window.