PayWatcher — Stablecoin Payment Verification API

2 min read Original article ↗

Payment verification without the payment processor.

Works like Stripe Payment Intents, but for on-chain USDC.

Non-custodial. Flat-rate. Three API calls.

Get API Key — Free

The payment verification dilemma

Pay 1% per transaction.

$100 fee on a $10,000 payment. Custodial. Vendor lock-in.

Parse Transfer events, handle reorgs, track confirmations.

Weeks of blockchain infra work. Ongoing maintenance burden.

The missing middle

Non-custodial verification. Flat-rate pricing. Three API calls.

  • We never touch your funds
  • You keep your wallet
  • From $0 to $0.05 per verification

Integrate in Minutes

A single API call to create a payment intent. A webhook when it's confirmed.

Simple, transparent pricing

Flat-fee per verification. No percentage cuts. No surprises.

$0

Perfect for testing

  • 50 verifications / month
  • 1 API key
  • Community support

$29/mo

For small projects

  • 1,000 verifications / month
  • $0.05 per verification
  • Priority support
  • Multiple API keys

$99/mo

For growing businesses

  • 10,000 verifications / month
  • $0.05 per verification
  • Premium support
  • Higher rate limits
  • Webhook integrations

Custom

For scale

  • Unlimited verifications
  • Volume pricing
  • Dedicated support
  • Custom SLAs
  • On-boarding assistance

The math is simple

$100 at Coinbase Commerce
vs. $0.05 at PayWatcher

For a $10,000 payment. Same result, 2,000x cheaper.

Coinbase Commerce

  • 1% transaction fee
  • Custodial — they hold your funds
  • Vendor lock-in

PayWatcher

  • $0.05 flat fee per verification
  • Non-custodial — your keys, your wallet
  • No lock-in

You keep your keys. We just verify.

Built on trust, not promises

Transparent infrastructure you can verify yourself.

Non-Custodial

Your keys, your wallet. We never touch your funds.

Base Network

Built on Base — fast, cheap, reliable.

USDC

Stablecoin payments — no volatility risk.

Built by masemIT

Austrian company. Transparent operations.

Request Access

Get your API credentials — we'll set you up within 24 hours.