Programming & Software

API Integration & Development

Most businesses run several systems — a website, a warehouse platform, accounting software, a payment gateway — that need to talk to each other. We design and build custom APIs that connect these systems into one seamless, automated workflow.

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Up to 20% off setup fees for new clients

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Custom software development and API integration is a team effort. At Hamed Rezaie, needs analysis, technical architecture design, coding, and testing are each handled by dedicated specialists — so the final result is dependable in both performance and security.

WHY US

Why get your API integration and development from us

01

Connecting internal systems

Integrating your website, warehouse, and accounting software for a smoother workflow.

02

Connecting to third-party services

Linking up with payment gateways, SMS providers, and external services.

03

Technical API documentation

Complete documentation delivered so your team can build on it later.

04

Secure data exchange

Security best practices applied across every connection between your systems.

CASE STUDY

Real projects from this service

Case Study · API Integration

Connecting a store to a payment gateway and warehouse

Integrated an online store with a payment gateway and warehouse system. Result: manual order entry eliminated entirely.

Case Study · API Integration

Connecting a website to a bulk SMS platform

Automated order-status SMS notifications via API. Result: faster, fully automated updates for customers.

View All Case Studies
PROCESS

How we run the project

01

Consultation & needs assessment

An initial meeting to fully understand your goal, audience, and project budget.

02

Design & planning

A technical proposal, initial design, and a clear timeline for execution.

03

Build & development

Step-by-step implementation of the project with regular progress reports.

04

Delivery & support

Final testing, complete project handover, and ongoing technical support afterward.

TESTIMONIALS

What clients who used this service say

★★★★★

"We asked around several places for API integration and development, but the Hamed Rezaie team was the only one that truly understood what we needed."

Ali MohammadiEntrepreneur
★★★★★

"The API integration and development they built for us turned out exactly as we imagined it — with zero technical confusion along the way."

Negar KarimiOperations Manager, Distribution Company
FAQ

Frequently asked questions

How is the cost of API integration and development determined?
Cost is based on technical complexity, the features required, and development time. Once we've reviewed your needs, we provide an accurate estimate.
How long does API integration and development take?
Depending on project scope, it typically takes 3 to 8 weeks; larger projects may be delivered in separate phases.
Do we receive the source code and technical documentation?
Yes — at project completion, you receive the full source code along with the technical documentation needed for maintenance and future development.
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LET'S TALK

Ready to get your API integration and development started?

In a free consultation, we'll walk through the exact roadmap for executing this project together.