0% fees until $1k/month

Crypto payments
for developers.

Add Bitcoin and Lightning payments to your app in minutes. Clean API, reliable webhooks, beautiful checkout. Free until you scale.

Get API Keys Read the docs

No credit card required · API keys in 30 seconds

checkout.js

// Create a payment intent
const payment = await crypt.paymentIntents.create({
  amount: 2999,
  currency: "usd",
  chains: ["lightning", "onchain"],
});

// Returns immediately
payment.lightning_invoice  // lnbc29990n1p...
payment.bitcoin_address   // bc1q4xqk...
payment.expires_at        // +15 min

Waiting→

Detected→

Confirmed

Every crypto payment tool you've tried was built by crypto people for crypto people. Raw wallet addresses. Ugly QR codes. No webhooks. No idempotency. No sandbox. You added it, it didn't convert, you removed it.

Crypt is built by developers for developers. Same patterns you already know. Just for Bitcoin.

Integrate in an afternoon.

Get your API keys

$ npm install crypt-node

const crypt = new Crypt("sk_test_...");

Create a PaymentIntent

One API call returns a Lightning invoice and Bitcoin address. Your customer pays, you get a webhook.

const payment = await crypt.paymentIntents.create({
  amount: 4999, currency: "usd",
  chains: ["lightning", "onchain"],
});

Go live

Switch from test to live keys. Real Bitcoin, real payments, zero fees until $1k/month.

// Swap one line
const crypt = new Crypt("sk_live_...");
// That's it.

Everything you need.
Nothing you don't.

Lightning Network

Sub-3-second settlement. Faster than a card swipe.

Reliable Webhooks

Signature verification, retry logic, replay from dashboard. Built the way Stripe does it.

Idempotent API

Every request is safely retryable. No double charges, ever.

Test + Live Environments

Full sandbox that mirrors production exactly. Build with confidence.

Beautiful Checkout

Drop-in modal. QR code, live status, auto-close. Works in under 15 seconds.

Payment Links

No-code checkout. Share a URL. Get paid.

0% Fees

Free until $1k/month processed. Then 0.5–0.8%. Still 4× cheaper than Stripe.

Dashboard

Real-time transactions, webhook logs, API key management. Everything in one place.

Pricing that makes
Stripe look expensive.

Stripe charges 2.9% + $0.30 per transaction. At $10,000/month that's $320 in fees. Crypt charges $70. You keep the difference.

Free

Up to $1k/month

0%per transaction

Dashboard
Webhooks
Payment links
Sandbox
Lightning + on-chain

Get started

Growth

$1k–$50k/month

0.7%per transaction

Everything in Free
White label checkout
Priority webhook delivery
Custom webhook endpoints

Get started

Enterprise

$50k+/month

0.5%per transaction

Everything in Growth
Priority support
SLA
Custom contracts
Volume pricing

Talk to us

Start accepting Bitcoin today.

Free forever under $1k/month. No credit card required.

Get started free

API keys in 30 seconds · Lightning + on-chain · Stripe-compatible webhooks

Crypto paymentsfor developers.