API Development & Integration Services

Connect your systems without fragile handoffs.

API development and third-party integrations for business software. Define contracts, secure access and build reliable data exchange with tested failure handling.

When integrations depend on manual exports or one-off scripts, a changed field or duplicate webhook can interrupt operations without anyone knowing why.

Exchange the right data between systems through documented contracts, controlled access and clear failure handling that your team can operate.

What we deliver

API contracts

Define endpoints, payloads, validation and authorization before implementation. Keep consumer expectations visible in documentation.

Third-party integrations

Map source and destination fields, agree data ownership and handle rate limits. Credentials remain server-side with the least access needed.

Reliability and observability

Handle duplicate events, retry boundaries and failure logs. Test provider timeouts and invalid input as part of the integration scope.

Who this service is for

Product teams exposing APIs, companies connecting CRM or commerce systems, and agencies integrating client applications.

Common use cases

  • Synchronize approved sales data with a CRM.
  • Expose a customer portal API to a mobile client.
  • Process payment or order webhooks without duplicate updates.

What you receive

  1. An API contract and integration field map.
  2. Implemented endpoints or connector with validation and failure tests.
  3. Consumer documentation, example requests and deployment notes.

We agree acceptance criteria before kickoff. Changes to scope are reviewed before additional work begins.

Tools matched to the scope

  • Laravel
  • FastAPI
  • Node.js / NestJS
  • REST
  • Webhooks

Service-specific scope

API Development & Integration Services packages

Choose a useful starting point. We’ll confirm fit, dependencies and the final quote before you commit.

API Development & Integration Services package illustration

One-time project

Integration Starter

Best for One defined data exchange

Starting from$799USD one-time
  • One provider and one workflow
  • Field mapping and authentication
  • Error handling and documentation
Typical timeline
1–3 weeks
Support
Email support during delivery; 14-day defect correction after acceptance
Start Your Project — Integration Starter
API Development & Integration Services package illustration

One-time project

API Business

Best for A small application API

Starting from$2,499USD one-time
  • Up to eight endpoints
  • Role-based access and validation
  • Contract documentation and tests
Typical timeline
3–5 weeks
Support
Email support during delivery; 14-day defect correction after acceptance
Start Your Project — API Business
API Development & Integration Services package illustration

Custom engagement

Integration Platform

Best for Several systems or complex synchronization

Built around your scopeLet’s scope itCustom project quote
  • Data ownership and event architecture
  • Custom observability and recovery
  • Staged rollout across providers
Typical timeline
Scoped after discovery
Support
Email support during delivery; 14-day defect correction after acceptance
Start Your Project — Integration Platform

All prices are starting estimates in USD, subject to an agreed scope. Hosting, AI/API usage, paid licenses, advertising and applicable taxes are additional. Timelines start with agreed requirements, access and content. Support hours, payment terms and acceptance criteria are confirmed in your proposal.

Compare ongoing support and managed plans →

Explore the work

See what we build.

Browse relevant work from our public portfolio. Project examples illustrate the work; they do not imply guaranteed results for your project.

Explore the full portfolio

From first conversation to ongoing support

A clear path to delivery.

We agree the stages your project needs, with review points and acceptance criteria before moving forward.

  1. Discovery & Planning

    Define the outcome, scope, dependencies and budget.

  2. UI/UX & Architecture

    Map the experience, data and technical approach.

  3. Development & Integration

    Deliver agreed work in reviewable increments.

  4. Cloud & Security Setup

    Configure access, environments and recovery needs.

  5. Testing & Optimization

    Check critical flows against acceptance criteria.

  6. Launch & Deployment

    Release with a handover and rollback plan.

  7. Growth & Automation

    Prioritize the next improvements using evidence.

  8. Support & Evolution

    Maintain and extend within an agreed support scope.

Before you decide

A few useful answers.

Need clarity on your specific situation? Talk to our team.

Can you integrate a system without a public API?

We first assess supported export or integration options. Browser automation or direct database access may be brittle and is not assumed in the starting package.

Do you include third-party subscription fees?

No. Provider accounts, access approvals and recurring subscriptions are supplied by the client.

How do you prevent duplicate updates?

Where supported, integrations use idempotency keys or event tracking. The proposal identifies the required behavior for retries and out-of-order events.

Plan the next step

Make your next move a clear one

Tell us what needs to work better.

Share your goal, current platform, budget range and target date. We’ll help turn the problem into a scoped next step.

Start Your Project

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