SERVICE_07 • INTEGRATIONS FINTECH READY

Payment Gateways & Third-Party API Integrations

Seamless integration of online payments (Stripe, PayPal, M-Pesa Daraja), automated invoicing, webhook handlers, and third-party REST API pipelines.

INVESTMENT RANGE
$200 – $450 KES 25,000 – 60,000 Fixed Scope Range
TURNAROUND 1–2 Weeks
CODE OWNERSHIP 100% Client IP
COMMUNICATION Direct / No Middlemen
THE APPROACH

Engineered for High Reliability & Zero Bloat

Integrate frictionless local and international payments into your software. I build production-grade M-Pesa Daraja STK Push, C2B Paybill, B2C disbursements, Stripe, and PayPal integrations with cryptographic signature verification and idempotent webhook handlers.

TECHNOLOGY STACK APPLIED:
M-Pesa Daraja Stripe PayPal Laravel Redis Queues
QUALIFICATION

Who This Service Is Built For

  • Businesses wanting automated mobile money collections without manual bank reconciliation.
  • Platforms needing instant payment callbacks and automated order fulfillment.
  • Applications requiring automated mass payouts (B2C disbursements) to Kenyan numbers.
  • Cross-border services wanting simultaneous KES and USD payment gateways.
WHAT YOU RECEIVE

Full Deliverables & Architectural Specifications

Multi-currency payment gateway integration
M-Pesa Daraja STK Push & instant callback
Webhook listeners & signature verification
Automated customer receipts & billing notices
Transaction audit logging & failure recovery
PROVEN OUTCOMES

Recent Systems Built & Scaled

99.98% callback success

M-Pesa Daraja Automated Settlement Pipeline

Implemented automated Daraja STK Push and C2B validation hooks with zero dropped callbacks over 50,000 transactions.

CLARIFICATIONS

Frequently Asked Questions

Yes. I guide you through the developer portal sandbox verification and live production credential generation.
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READY TO START? • DIRECT ENGAGEMENT

Let's discuss your payment gateways & apis project requirements.

Receive a fixed-price architectural blueprint and milestone timeline within 24 hours. No sales reps—work directly with Cyrus Mwendwa.