Official b402 Facilitator

Plug-and-play b402 payment facilitator on BNB Chain with a single drop-in endpoint. No API keys or blockchain setup required.

Get Started in 2 minutes
Point your merchant at the facilitator and you’re done.
  1. Set FACILITATOR_URL=https://facilitator.b402.ai in your server.
  2. You are done! It's that easy. The b402 Facilitator now verifies & settles payments on your behalf.
Facilitator URL
https://facilitator.b402.ai

Features

BNB Chain Native
Purpose-built for the BNB ecosystem.
Integrate payments directly on BNB Chain with minimal setup. The facilitator handles verification, settlement, and network quirks for you.
Any Token
Supports all BEP-20 assets.
Accept stablecoins, native tokens, or your own project token. Configure per-endpoint pricing in fiat or atomic units.
Gasless Experience
No network fees for buyers or merchants.
The facilitator covers gas and manages on-chain verification and settlement—so you can focus on your product.
One-Second Start
Zero setup. No API keys.
Get started with a single env var and three standard endpoints: /verify, /settle, and /list.
Consistent API
One interface for all merchants and apps.
Gain reliability, observability, and reuse across multiple integrations using a unified payment interface.
Built for Scale
Optimized for human and agentic payments.
From pay-per-call APIs to autonomous agents—settle payments in under a second once the chain confirms.

Sellers

Set up your server/seller service

Express Quickstart
Get started with Express.js in minutes.

Buyers

Set up your client/buyer service

Client Quickstart
TypeScript client for HTTP requests.
Documentation
Start integrating b402 Facilitator today
Support
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