API Development

API Development Services

We design APIs that connect systems. Secure, fast, and built for scale. From modern platforms to legacy systems - our experts boost agility and performance across healthcare, logistics, fintech, and more.

Why us

Our API Development and Integration Services

We match technology stacks to your needs, ensuring your logistics software development roadmap is future-ready.

Full-Cycle API Development

We provide comprehensive API development services, including:

Business needs analysis
API architecture and design
Backend logic and data layer implementation
Performance optimization
Comprehensive testing (unit, integration, load)
Documentation and developer onboarding
Deployment and post-launch support

REST API Development Services

As REST remains the most widely adopted API standard, our REST API development services focus on scalable, stateless APIs ideal for mobile apps, SaaS platforms, and cloud-based infrastructures. We design clean, version-controlled REST APIs with intuitive endpoints and secure access layers.

API Development and Integration Services

Need to connect disparate systems or enable real-time data flows? Our API development and integration services help unify your technology stack. We integrate:

Payment gateways
CRM systems like Salesforce and HubSpot
ERPs such as SAP, Oracle, and Microsoft Dynamics
Healthcare platforms using HL7 or FHIR standards
IoT ecosystems with secure device data flows

API Consulting

Not sure where to start? Whitefox offers tailored API consulting to assess your current architecture, define integration opportunities, and propose scalable API strategies that align with your digital goals.

Approach

Our Approach to API Development

End-to-End API Development Process – from strategy and architecture to deployment and maintenance
REST API Development Services and WebSocket support for modern web applications and real-time systems.
Legacy and SOAP API Integration to ensure backward compatibility.
Security-First Engineering – with authentication, authorization, data encryption, and rate limiting.
Scalability and Performance Optimization – so your APIs can handle growing demands.
Seamless Third-Party Integration – connect effortlessly with CRMs, ERPs, eCommerce platforms, and more.

Case Study

How We Solved
API Integration Challenges

For a fintech platform, we implemented seamless API integrations that improved system connectivity, and enhanced performance.

Technologies

Technologies We Work With

Our experts use a robust stack of technologies, languages, and frameworks to deliver high-quality API development and integration.

Artificial Intelligence & Data Science

Standards & Compliance

Frontend Development

Backend Development

Mobile Development

Cloud & Backend Engineering

Databases

Architecture & Tech Leadership

Security

Performance and
Security at the Core

We build APIs that are not only fast and reliable, but also secure and compliant. Our security-first development approach includes:

OAuth 2.0, JWT, API Key authentication
Role-based access control
Input validation and sanitization
Data encryption at rest and in transit
Rate limiting and throttling
Audit logs and usage tracking

Why us

What Makes Our API Development Different?

Full-stack capability – We build both the APIs and the systems they connect to.
Industry expertise – Deep domain knowledge in healthcare, logistics, fintech, and more.
Transparent collaboration – Weekly updates, clear KPIs, and continuous feedback loops.
DevOps-ready APIs – CI/CD pipelines, containerization, and cloud-native design.
Compliance assurance – We bake in HIPAA, GDPR, PCI DSS, or other standards from day one.

Development process

Our API Development and Integration Process

Every API development project at Whitefox follows a structured methodology to ensure reliability, performance, and future-proof scalability.

01
Discovery & Planning
1. We analyze your use cases, data structures, and integration goals to define clear API requirements.
02
Architecture & Design
1. Based on your infrastructure, we choose REST, GraphQL, WebSocket, or other protocols. Our team designs endpoints, request-response structures, and security workflows.
03
Development & Integration
1. Using best-in-class tools and frameworks (Node.js, Django, .NET Core, Flask, Spring Boot, etc.), we build APIs with clean, maintainable code and robust error handling.
04
Testing & Optimization
1. We conduct automated and manual testing to ensure compliance with functional and non-functional requirements: speed, security, stability, and edge-case handling.
05
Documentation & Handover
1. We deliver fully documented APIs with OpenAPI/Swagger specs and code samples for faster developer adoption.
06
Deployment & Support
1. Our DevOps team ensures seamless CI/CD pipelines and ongoing monitoring, performance tuning, and version management.

Collaboration models

Flexible Engagement Models for API Development Services

At Whitefox, we understand that every business has unique integration needs. That’s why we offer flexible engagement models tailored to your API development goals. Whether you need to extend your in-house development team, engage a dedicated squad, or deliver a clearly defined project—we offer the right model to match your workflow and technical requirements.

Fixed-Price Projects

Clear Scope, Predictable Costs: With our fixed-price model, you define the API requirements—we deliver the solution on time and within budget.
Best for Defined Integrations: Ideal for projects with clear timelines and deliverables—such as third-party API integrations, REST API development, or middleware services.
Risk-Free Execution: Our team ensures complete delivery with guaranteed scope, transparent milestones, and no unexpected costs.

Team Augmentation

Extend Your In-House API Expertise: Quickly scale your internal team by adding our experienced API developers to work alongside your staff.
Specialists in API Architecture & Integration: Our engineers bring hands-on experience with REST, GraphQL, Webhooks, authentication flows (OAuth2, JWT), and system interoperability.
Full Control, Scalable Resources: You manage the project—we provide the right experts to accelerate your development and reduce your time to market.

Dedicated Teams

Your Own API Development Unit: Get a dedicated team of API architects, backend developers, and QA engineers focused exclusively on your integration strategy.
Comprehensive Delivery: From building robust internal APIs to connecting SaaS platforms or legacy systems, we cover design, development, documentation, and support.
Built for Long-Term Needs: Ideal for product teams, SaaS platforms, and enterprises seeking continuous API innovation, maintenance, or multi-phase API programs.

Frequently Asked Questions

API (Application Programming Interface) development enables different systems, apps, or platforms to communicate with each other. Well-built APIs streamline data exchange, automate workflows, and power digital products. For businesses, APIs are essential for scalability, flexibility, and integrating with third-party services like CRMs, ERPs, payment gateways, and more.

We specialize in a wide range of API development services, including:

- REST API development

- GraphQL APIs

- WebSocket APIs and mobile/web push notifications for real-time communication

- SOAP/legacy system APIs

- Internal/private APIs for microservices and enterprise architecture

- Third-party API integrations (e.g. Stripe, Salesforce, AWS, Shopify)

REST is a lightweight, stateless, web-friendly protocol using JSON or XML. SOAP is heavier, protocol-driven, and best for enterprise systems requiring strict contracts and robust security.

Whitefox has experience delivering API solutions across various sectors, including but not limited to:

- Healthcare (FHIR, HL7, EHR integrations)

- Fintech (payments, KYC, banking)

- Logistics (TMS, carrier APIs, tracking)

- SaaS & Platform businesses (core API infrastructure and scaling)

Yes. Our API development team has deep experience integrating with older systems using SOAP, custom middleware, or adapter layers to bridge modern services.

We follow a security-first approach, implementing:

- Authentication protocols (OAuth2, JWT, API keys)

- Authorization and role-based access control (RBAC)

- Encryption of data in transit and at rest

- Rate limiting & throttling

- Security testing and audit trails

Yes. API integration is a key part of our services. We help you connect and synchronize your system with third-party APIs or internal services—ensuring stable, secure, and efficient communication between platforms.

Yes. We offer flexible collaboration models:

- Team augmentation

- Dedicated API development teams

- Fixed-scope projects

We can embed our developers into your workflows or take full ownership of API delivery.

It depends on the scope and complexity. A simple REST API might take 2–4 weeks, while larger integrations or platforms with multiple endpoints and security layers may require more time depending on a project. We’ll provide a detailed timeline after scoping.

We deliver clear, developer-friendly API documentation using tools like Swagger (OpenAPI) or Postman. Good documentation ensures your team (or third parties) can easily understand, test, and consume the APIs we build.

Let’s build the APIs that build your business.