ZyndPay developers

Build with ZyndPay.

Accept USDT payments, issue payouts, manage subscriptions. A single REST API, SDKs in 3 languages, and a sandbox that mirrors production.

10-minute quickstart Browse the API reference

Start where it hurts

Accept a payment

Create a paylink via API, receive a webhook when the customer pays, settle in USDT.

Send a payout

Whitelist a destination address, then trigger payouts from your backend with idempotency keys.

Verify webhooks

HMAC-SHA256 over the raw body. Copy-paste examples in 6 languages.

Use the SDKs

Typed clients for TypeScript, Python, and PHP. One-line install, native error types.

Environments

Production

https://api.zyndpay.io/v1

Real settlements on TRON mainnet. Requires a live API key.

Sandbox

https://api.zyndpay.io/v1

Pair a zyp_test_sk_... key with ?sandbox=true on the URL or x-sandbox: true header on every payment-creation request. No blockchain broadcast, no real money moves.