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Welcome

Welcome to InfraIO Pay

InfraIO Pay is a crypto checkout platform for merchants. You drop in our JavaScript SDK, redirect customers to a hosted checkout, and we settle the on-chain payment to your wallet. Stablecoin-first (USDT, USDC), no custody of merchant funds, webhook-driven order confirmation.

These docs are organised by what you want to do.

Start here

Spin up your first test payment in ~5 minutes — load the SDK, open a checkout session, and watch the webhook fire.

Quickstart

The mental model behind sessions, payment intents, and the webhook lifecycle — read this once and the rest clicks into place.

Concepts

Endpoint-by-endpoint specs, request/response schemas, and error codes.

API reference

@lartech/infraio-checkout-js — install, init, checkout modes (popup, redirect, embed), event callbacks.

SDK reference

What InfraIO Pay is not

  • Not a custodian. Funds move on-chain from buyer to your merchant wallet directly. We never hold balance.
  • Not a wallet provider. Customers bring their own wallet (or use the built-in deposit-address flow); merchants connect an existing wallet address in onboarding.
  • Not a fiat ramp. No KYC/KYB on the buyer side; what you settle is what they paid, in the asset they paid in.

If those constraints don’t match your use case, talk to sales  about hybrid setups.

Introduction