⚡ API Micropayments Infrastructure

Charge per request.
Not per month.

SynthPay lets API companies charge $0.002 per call — not $20 per month. One line of code. Stripe holds the funds. You keep 98.5%.

Create Account → Merchant Dashboard
$0.00001 Min charge
38ms Settlement
1 line Integration
98.5% To merchant
// HOW IT WORKS

Three steps.
First revenue today.

No migration. No new billing system. No subscription forcing.

01 — MERCHANT

Install the middleware

One npm install. One line of code before your existing API handler. Your endpoint is now monetised per request at any price you set.

02 — USER

Create an account with Face ID

No email. No password. No subscription form. Users load an account once with any card. Every API call deducts automatically.

03 — YOU

Watch the dashboard

Real-time earnings. Every transaction verified. Withdraw anytime. Stripe holds your funds — not us.

// INTEGRATION

One line of code.

Add it before your existing handler. Remove it in 30 seconds if you want.

api/search.ts
// Before SynthPay
app.use('/api/search', yourExistingHandler)

// After SynthPay — one line added
app.use('/api/search',
  synthpay({
    merchant_id: 'your_merchant_id',
    api_key:     'your_api_key',
    price:       0.002   // $0.002 per request
  }),
  yourExistingHandler
)
// LIVE LEDGER

The ledger is public.
Always.

Every transaction cryptographically verified in real time. No login. No request. Just proof.

LIVE LEDGER
✓ CHAIN VERIFIED
API CALLS SETTLED
VOLUME PROCESSED
ACTIVE MERCHANTS
REGISTERED USERS
CHAIN HASH
VIEW FULL AUDIT PROOF →

Cryptographic Chain

Every transaction hashed to the previous one. Tampering breaks the chain instantly.

SHA-256 hash chain · Append-only ledger

Public Verification

Anyone can verify the ledger at any time. No auth required. No login.

GET /audit/live → verified in real time

True Currency Values

No credits. No tokens. Every transaction in real dollars to 8 decimal places.

$0.00200000 charged · $0.00196970 to merchant

Stripe Custody

All funds held by Stripe — not SynthPay. Withdraw anytime.

Funds: Stripe · Accounting: SynthPay

Pay only for
what you use.

No subscriptions. No commitments. Load once and spend as you go.

01 — CREATE

Account in 4 seconds

Face ID or fingerprint. No email. No password. No forms. Your account is ready instantly — secured by the same technology as your phone's banking app.

02 — LOAD

Add funds once

Load $5, $10, or $20 with any card. Your balance stays in your wallet until you spend it. Stripe holds your money — not us.

03 — USE

Pay per use — nothing more

Every API call costs fractions of a cent. No monthly bill. No surprise charges. Check your balance any time. Every transaction is on your statement.

No subscription traps

You pay $0.002 for one search. Not $20 for a month you barely use. Stop paying for tools you use twice a month.

Pay $0.002 · Not $20.00/month

Your money stays yours

Unspent balance never expires. Use it today or use it in six months. No pressure, no deadlines, no hidden deductions.

Balance never expires · Use at your pace

Full transaction history

Every cent accounted for. See exactly what you spent, when, and on which service. No mystery charges.

Real currency · 8 decimal precision

Biometric security

Your account is protected by Face ID or fingerprint. No passwords to forget. No emails to verify. No accounts to hack.

WebAuthn FIDO2 · Zero passwords
Create Your Account →