How much does aPI Development & Integration Services cost?

API Development & Integration Services starts at $1,900 for a typical engagement. The final price depends on scope, existing code and integrations — send the brief through the form and you get a fixed-scope quote, usually within one business day.

How long does it take?

A typical aPI Development & Integration Services engagement runs 2–6 weeks from signed scope to delivery, with something running on a staging URL from the first week.

You do. The repository, deployment pipeline and hosting accounts are yours from day one, and intellectual property transfers on final payment. There is no platform to stay locked into.

Every engagement includes: OpenAPI specification agreed before implementation; Versioning, pagination, rate limiting and consistent error shapes; Idempotent writes and retry-safe webhooks.

Send the enquiry form on this page or email bilgisam@gmail.com with a short description of the problem. You get a reply within one business day, a free scoping call, and a written proposal before any invoice.

🔌 Web Development

API Development & Integration Services

REST and GraphQL APIs designed to be consumed by someone else, plus the third-party integrations nobody wants to own.

Starting at: $1,900
Typical delivery: 2–6 weeks
Engagement: Fixed scope
Code ownership: Yours

An API is a contract, and most integration pain comes from contracts written after the code. We start from the consumer: what they need, what they can be given, what happens when it fails.

That includes the integrations you have been putting off — payment providers, CRMs, ERPs, shipping carriers — with retries, idempotency and a replay path for the day the other side goes down.

What you get

OpenAPI specification agreed before implementation
Versioning, pagination, rate limiting and consistent error shapes
Idempotent writes and retry-safe webhooks
Sandbox credentials and example requests for your consumers
Integration tests that run against the real provider sandbox

Who this is for

Teams exposing an API to partners, or drowning in half-finished third-party integrations.

Tools and technologies

OpenAPI REST GraphQL Laravel FastAPI Postman

How it runs

Scoping call
45 minutes with the engineer who would do the work, within one business day of your enquiry.
Written proposal
Scope, price, timeline and exclusions in writing. No invoice until you approve it.
Weekly delivery
Staging URL from week one, in your repository and your cloud account.
Handover
Documentation, walkthrough and 30 days of post-launch bug fixing included.