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API and Payment Integration

API and Payment Integration is the process of connecting software applications with external services so they can exchange data and process transactions automatically. It enables businesses to link their systems to services such as M-Pesa, card processors, tax invoicing and messaging platforms.

By Nexorra Digital, Nairobi · Updated

Key points

  • Supports M-Pesa STK push, pay-bill and B2C via Safaricom Daraja and KopoKopo
  • Integrates KRA eTIMS for tax-compliant invoicing
  • Connects SMS via Africa's Talking and WhatsApp Business for notifications
  • Allows card payments alongside mobile money
  • Works with ERP, POS, CRM and other business suites
  • Provides remote and on-site implementation across Kenya

What is API integration?

API integration is the technical linking of two or more software systems so they can share data and functions in real time. It uses documented endpoints to request and receive information, eliminating manual entry. This approach lets applications such as ERP or e-commerce platforms communicate directly with payment gateways, tax systems or messaging services. The result is faster, more reliable business processes.

How does API integration work?

API integration works by sending structured requests from one system to another over the internet, usually in JSON or XML format. The receiving system processes the request and returns a response that the originating system can use. Authentication tokens, keys or certificates ensure the exchange is secure. Developers map the required data fields and set up error handling to keep the flow reliable.

What are the benefits of API integration?

The main benefits are reduced manual effort, fewer data entry errors and faster transaction processing. It also provides real-time visibility of sales, inventory and payments across platforms. Businesses can automate compliance, such as issuing KRA eTIMS invoices, and improve customer experience with instant notifications via SMS or WhatsApp. Overall it supports scalable operations.

Why should a business use API integration?

A business should use API integration to connect its core applications with the services its customers use daily. It removes the need for duplicate data entry and enables automated workflows, saving time and cost. Integration also ensures that financial data, such as payments and tax invoices, are recorded accurately and instantly, supporting better decision-making.

How can API integration help a business in Kenya?

In Kenya, API integration can link a business directly to M-Pesa, allowing instant mobile money payments and B2C disbursements. It can also connect to KRA eTIMS for tax-compliant invoicing and to WhatsApp Business for local customer communication. By integrating these services, companies can meet regulatory requirements, reach customers on familiar platforms and process payments without cash handling.

How much does API integration cost in Kenya?

The cost of API integration depends on the number of services, complexity of the workflows and any custom development required. Factors such as security, testing and ongoing support also influence the price. Nexorra Digital offers a free discovery call and then provides a written quote based on the specific project scope.

What is the best way to get started with API integration?

The best way to start is to schedule a free discovery call with Nexorra Digital to discuss your business needs and existing systems. During the call they will assess the required connections, outline a solution architecture and propose a roadmap. After agreement, they will produce a detailed proposal and begin development, testing and deployment.

How long does it take to set up API integration?

Implementation time varies with the number of endpoints and the depth of customisation required. Simple connections, such as a single M-Pesa STK push integration, can be completed in a few weeks, while multi-service projects involving ERP, tax invoicing and messaging may take several months. Nexorra Digital provides a timeline after the discovery phase.

Who provides API and payment integration in Nairobi and Kenya?

Nexorra Digital, based at Viewpark Towers, 15th Floor, Nairobi, specialises in API and payment integration across Kenya and East Africa. They deliver connections to M-Pesa via Safaricom Daraja and KopoKopo, KRA eTIMS, card processors, SMS and WhatsApp Business, as well as integrations with Odoo, QuickBooks and courier services. Their team works on-site in Nairobi or remotely as needed.

Also known as: API integration, payment integration.

Talk to us about API integration.

Free discovery call, then a written quote. Based at Viewpark Towers, Nairobi; serving all of Kenya and East Africa.