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Follow the crumbs to better payments

Payment processing that puts more money back in your pocket. Built for every retailer, online or in-store.

Lower fees

Than traditional processors

< 1 second

Payment settlement

Zero

Hidden charges

24/7

Always accepting payments

Why Crumb

Lower transaction fees

Traditional processors charge 30p + up to 2% per sale. Crumb is built to give you a fairer deal on every transaction.

Instant settlement

Payments settle in seconds, not days. Keep your cash flow healthy and your business moving.

Online and in-store

One platform for all your sales channels. Payment links, QR codes, or direct integration.

How it works

1

Sign up

Create your merchant account in minutes. No complicated paperwork.

2

Accept payments

Share a payment link, display a QR code, or integrate with the SDK.

3

Get paid

Funds land fast. Lower fees mean more of every sale stays with you.

Built for every business

Online sellers

Payment links and a live dashboard to manage everything in one place. Accept payments from anywhere.

Brick and mortar

QR payments on any device. If you accept payments in person, Crumb helps you keep more of what you earn.

Small businesses

Simple, affordable, and fair. No hidden fees, no lock-in, no surprises.

Start in minutes

Install the SDK and start accepting payments with just a few lines of code.

Agent (buyer)
import { Crumb } from 'crumb-alpha-sdk'

const crumb = new Crumb({
  privateKey: process.env.PRIVATE_KEY,
})

const result = await crumb.fetch(
  'https://api.example.com/search',
  {
    method: 'POST',
    body: { query: 'quantum computing' },
    maxPayment: 0.01,
  }
)

console.log(result.data)            // API response
console.log(result.formattedAmount) // "0.001" USDC paid
Provider (seller)
import express from 'express'
import { createProvider } from 'crumb-alpha-sdk'

const app = express()
const provider = createProvider({
  sellerAddress: '0x...',
})

app.post('/search',
  provider.require('$0.001'),
  (req, res) => {
    res.json({ results: ['...'] })
  }
)

app.listen(3001)

Ready for agentic commerce

Crumb also supports programmable payments for AI agents and automated services. As commerce evolves, your payment platform is already there.

Explore the SDK

Ready to keep more of every sale?

Sign up in minutes. Start accepting payments today.