API Development & Integration Company in Saudi Arabia
At Whetstonez, we build secure APIs and connect your apps, ERP, payment gateways and e-invoicing so your data flows reliably.
API Development & Integration Services in Saudi Arabia
Whetstonez designs, builds and connects APIs for Saudi businesses. From Jeddah we link your apps, websites, ERP, payment gateways and government platforms so data flows reliably between them.
Custom API development
Secure REST and GraphQL APIs for your web and mobile apps and partners.
System integration
Connect ERP, CRM, accounting, e-commerce and HR systems so data stays in sync.
Payment integration
mada, Apple Pay, STC Pay and card payments through Saudi payment gateways.
E-invoicing integration
Connect your billing to ZATCA e-invoicing (Fatoora) through compliant solutions.
Third-party APIs
SMS, WhatsApp, maps, shipping and delivery provider integrations.
API modernisation
Wrap legacy systems with modern APIs, add documentation, monitoring and security.
Integrations for Saudi Industries
Most businesses run on several systems that need to talk to each other.
Retail & e-commerce
Stores connected to stock, accounting, payments and delivery.
Logistics
Tracking, shipping carriers and fleet systems linked together.
Healthcare
Booking, clinic and billing systems connected securely.
Finance
Payment, accounting and reporting integrations.
Real estate
Property, tenant, payment and maintenance systems in one flow.
Education
Student information, payments and learning platforms connected.
How We Deliver Integrations
Careful planning so live systems keep running.
- DiscoveryWe map your systems, data and the flows that need connecting.
- API designClear contracts and documentation agreed before building.
- DevelopmentSecure APIs and connectors built and reviewed.
- TestingAutomated and end-to-end tests, including failure and retry cases.
- Go-livePhased rollout with monitoring and a rollback plan.
- SupportMonitoring, alerts and updates when partner APIs change.
Built for the Saudi Market
Local platforms and rules shape how integrations must work.
Local payments
Experience with Saudi payment gateways and mada.
E-invoicing
Integration with ZATCA-compliant e-invoicing solutions.
Arabic data
Correct handling of Arabic text, names and addresses across systems.
Security & PDPL
Access control, encryption and logging planned around the Personal Data Protection Law.
Our Technology
Standard, well-documented technology.
APIs
Backend
Messaging
Security
How Much Does API Integration Cost?
Integration costs depend mainly on these factors.
Number of systems
Each system and data flow adds design, build and testing work.
Quality of existing APIs
Modern, documented APIs are quick; legacy systems take longer.
Data volume and real-time needs
Real-time sync and high volumes need more robust design.
Security and compliance
Payments, personal data and government platforms need extra care.
Integrations are often part of a larger build; see our custom software cost guide or ask for a fixed estimate.
API & Integration FAQs
Can you integrate with our existing ERP?
Yes. We work with common ERP, accounting and CRM systems, either through their APIs or through safe connectors.
Can you connect to ZATCA e-invoicing?
Yes. We integrate your billing with ZATCA-compliant e-invoicing solutions so invoices are generated and reported correctly.
Which payment gateways do you work with?
We integrate Saudi payment gateways that support mada, Apple Pay, STC Pay and cards.
Do you document the APIs?
Yes. Every API comes with OpenAPI documentation so your team or partners can use it.
How long does an integration take?
Simple integrations can take a few weeks; multi-system projects take longer. We give a clear timeline after discovery.
Related Services
- Guide: ZATCA e-invoicing Phase 2 integration
- Custom software development
- Legacy system modernisation
- Cloud & DevOps
- Software testing & QA
We work with businesses across Saudi Arabia, including Riyadh and Dammam and the Eastern Province. See related work: the Arrivo case study.
Need your systems connected?
Tell us which systems you use and we will propose a clear integration plan.
Get a free consultation