Skip to content

Guide

USDT Checkout API for Developers

You need a developer-friendly payment API, not a hosted widget locked to one platform.

View API documentationCheck Launch Score

Key facts

  • Bearer API keys (sandbox + live)
  • Idempotency-Key support
  • Sandbox simulate endpoint

What this means

Create payments, manage wallets, configure webhook endpoints, rotate keys — built for backend integration.

Step-by-step

  1. Request sandbox API key.
  2. POST /api/v1/payments to create sessions.
  3. Register webhook URL and verify HMAC signatures.

Next step

View API documentation →

Next steps

Related guides

FAQ

Where is the docs?

/usdt-checkout/docs — quickstart, examples, webhook verification.

The Solana launch trust layer — free mint, public Launch Score, paid trust actions.

Already have a token? Check its Launch Score.

Try: