Payment Infrastructure API

Reliable payment & payout infrastructure, built for scale

INFINEXPAY gives your product a single, unified API for STK Push collections and B2C payouts — with predictable settlement, real-time webhooks and bank-grade security.

INFINEXPAY dashboard preview
Settlement < 2s
99.98% uptime
M-PESA STK PUSH AIRTEL MONEY B2C BANK SETTLEMENT REAL-TIME WEBHOOKS ENCRYPTED TRANSPORT AUTO RECONCILIATION M-PESA STK PUSH AIRTEL MONEY B2C BANK SETTLEMENT REAL-TIME WEBHOOKS ENCRYPTED TRANSPORT AUTO RECONCILIATION
99.98%
Platform uptime
<2s
Avg settlement
24/7
Live monitoring
2
Networks supported
Core capabilities

Everything you need to move money

Built for developers integrating financial systems and payment flows.

STK Push Payments

Initiate mobile payment requests with real-time confirmation callbacks.

B2C Disbursements

Send funds to mobile wallets with secure validation and retry handling.

Secure Processing

Encrypted requests, audit logs, and reliable transaction tracking.

How it works

Live in three steps

From sandbox key to production traffic, without waiting on a sales call.

STEP 01
Create your account

Register and grab your sandbox API key in minutes — no paperwork upfront.

STEP 02
Integrate the API

Call the collection and payout endpoints, and point webhooks at your backend.

STEP 03
Go live

Switch to production keys and start processing real collections and payouts.

Developer first

Unified Payment API

One integration for both collections and payouts with consistent behavior and webhook support.

  • Real-time Webhooks
  • Automated Reconciliation
  • Multi-network Support
Read API Docs
integration.js
// Payout
const payout = await infinexpay.payout({
  phone: "2547XXXXXXXX",
  amount: 5000,
  reference: "PAYROLL"
});

// Payment Request
const payment = await infinexpay.collect({
  phone: "2547XXXXXXXX",
  amount: 100,
  reference: "ORDER_001"
});

if (payout.status === "success") {
  console.log("Transaction complete");
}
Trust & security

Built on infrastructure you can rely on

Every request is authenticated, logged and reconciled automatically, so you always know where the money is.

Encrypted in transit

All traffic is secured end-to-end between your servers and ours.

Full audit trail

Every transaction is logged and traceable by reference.

Automated reconciliation

Balances and provider callbacks are matched without manual work.

Human support

A real team is reachable by email and phone when something needs a hand.

Start building with INFINEXPAY

Modern payment infrastructure for scalable applications.

Create Account
We're here to help

Support

Need help with API integration, automatic withdrawals, M-Pesa, or Airtel Money services? Our support team is available.

Offline Call Support

Call +254 743 314 429
Questions

Frequently asked questions

Sign up and you'll get a sandbox key immediately. Production access is enabled after a quick verification step.

M-Pesa and Airtel Money are supported today for both STK Push collections and B2C payouts, with more networks planned.

You register an endpoint on your account, and we POST a signed event to it the moment a transaction's status changes.

Yes. Every account starts in sandbox mode so you can test the full collection and payout flow before going live.