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Digis | API Development Services
Hire a Reliable Partner for API Software Development Needs
Build connected, scalable, and future-proof software with our API development services. From building custom RESTful APIs to integrating third-party platforms, we help startups and enterprises enable seamless data exchange and automation across their digital ecosystem.
Our API Software Development Services
API Developer Staff Augmentation
Custom API Development
Third-Party API Integration
API Testing & Quality Assurance
API Documentation & Developer Portals
Quickly scale your development team by hiring pre-vetted API developers on a flexible basis. Whether you need short-term support or a long-term extension to your in-house team, we provide talent aligned with your project needs and time zone.
We can assist with:
Hiring full-time or part-time API developers.
Scaling your backend/API team within 24–48 hours.
Time zone-aligned collaboration with agile-ready engineers.
We build custom APIs for mobile, web, and cloud applications — enabling smooth communication between services and platforms.
We can assist with:
Custom REST or GraphQL API design.
Data handling between microservices.
Connecting internal/external systems.
We integrate APIs like Stripe, PayPal, Salesforce, and more to extend your platform’s functionality with minimal disruption.
We can assist with:
Seamless data synchronization.
CRM, ERP, payment gateway integration.
API key and token management.
Ensure your APIs are reliable, secure, and performant with automated and manual testing.
We can assist with:
Unit and load testing of endpoints.
API schema validation.
Monitoring performance and uptime.
We create detailed API documentation to ensure easy adoption by internal or external dev teams.
We can assist with:
Swagger/OpenAPI documentation.
Code examples and authentication guides.
Public and private developer portals.
Why Choose Us for API Development Services
24-Hour Candidate Matching
Receive vetted API developer profiles within just 24 hours. We fast-track the onboarding process so you can start building and integrating APIs without delay.
Top 3.5% of API Engineers
Our API developers are rigorously screened and ranked in the top 3.5% of talent globally. Each brings proven expertise in RESTful, GraphQL, and custom API solutions across industries.
2 Week Risk-Free Trial
Start with confidence. Work with our API developers for 14 days with no obligation. If the fit isn’t right, you can cancel or request a replacement — no questions asked.
Time Zone Aligned Collaboration
Our developers operate across U.S., European, and APAC time zones. You get real-time communication, daily syncs, and overlapping hours to keep your API development on track.
Seamless Team Scaling
Quickly expand your team as your project grows. Whether you need one developer or a full backend unit, we help you scale efficiently — without recruitment delays.
50+ Pre-Vetted API Developers Available
Choose from a pool of 50+ experienced API specialists skilled in Node.js, Python, .NET, Java, and cloud-based API integrations (AWS, Azure, GCP).
Benefits of API Development
Seamless System Integration
Connect multiple platforms, databases, and services to streamline operations and boost productivity.
Faster Time-to-Market
APIs enable modular development and reusability, speeding up feature rollouts and third-party integrations.
Enhanced Security & Control
Use token-based authentication and throttling to protect sensitive data and control access levels.
Developer-Friendliness
Well-documented APIs reduce onboarding time for third-party developers and improve ecosystem adoption.
Scalable & Modular Architecture
APIs separate services into manageable components — making them easier to test, deploy, and scale independently.
Future-Proof Your Product
APIs make your systems extensible, allowing you to easily adopt new tools, services, and platforms as your business grows.
We have a dedicated project manager from Digis who takes our relationship very seriously.
Within a couple of months we could see that our backlog was reduced, and our time to deliver projects was reduced.
They’re committed and have the ability to scale up in order to deliver fast.
The team has been innovative and reliable. Their experience and professionalism were admirable.
They have skilled and committed development staff.
I desperately needed quality developers that would stick with me, and I’m certain Digis will do just that.
Digis’ work and infrastructure are fantastic.
Priorities of each task were delivered with a strong balance between business and development goals.
Their team always suggested improvements and delivered on time.
It is clear that they very carefully vet the people they hire.
The overall quality of the candidates they provide has been very good.
They are well experienced knowledgeable professionals
Digis has been a reliable and high-quality partner for many years for our company.
Digis has been reliable throughout the development process.
API Development Tech Stack
Backend Technologies
API Protocols & Tools
API Management & Integration
Databases & Storage
Backend Technologies
API Protocols & Tools
API Management & Integration
Databases & Storage
Backend Technologies
Used to implement business logic, manage data, and deliver secure APIs at scale.
Usage of Technologies:
- Build fast and lightweight APIs with Node.js and Express.
- Deliver enterprise-grade security and performance with Java or .NET.
API Protocols & Tools
Core tools and standards used to develop and manage APIs.
Usage of Technologies:
- Design flexible, versioned REST APIs with full documentation.
- Use GraphQL for optimized client-driven data queries.
GraphQL
OAuth
Postman
RESTful API
WebSockets
API Management & Integration
For securing, monitoring, and scaling API ecosystems.
Usage of Technologies:
- Manage API traffic with enterprise tools like AWS Gateway or Apigee.
- Monitor and throttle requests to protect backend infrastructure.
Databases & Storage
To support efficient and scalable data access for APIs.
Usage of Technologies:
- Use SQL databases for structured data and transaction safety.
- Choose NoSQL like MongoDB for scalable document storage.
What to Expect When Working With Our API Software Development Company
Step 1: Discovery Call
You tell us your goals, business logic, and third-party integration needs. We listen, ask the right questions, and outline your API roadmap.
Step 2: Team Assembly & Estimation
We propose the best-fit backend/API developers based on tech stack, domain, and timeline. You receive clear cost estimates and team structure.
Step 3: Onboarding & Setup
We sign the contract and set up repositories, environments, and communication channels. Kickoff happens in 2–5 days.
Step 4: Agile API Development
Work progresses in 1–2 week sprints. You get demos, access to code, documentation, and regular updates — full transparency guaranteed.
Step 5: Testing & Integration
We implement robust testing (unit + integration) and validate all endpoints via Swagger/Postman. You get tested, secure APIs ready for deployment.
Cases
Discover Our Successful Projects and Why You Should Choose Us for Your API Software Development Needs
Adventure Sports Equipment Marketplace
Adventure Sports Equipment Marketplace
SENDY is an online marketplace and Gear Hub that lets users Buy, Sell and Rent Adventure Sports equipment anywhere in North America.
Long Distance Carpooling Platform
Long Distance Carpooling Platform
BlaBlaCar reinvented carpooling and ridesharing to the mutual benefit of travelers and car owners/drivers by providing them with the world’s best interaction platform.Within a couple of months we could see that our backlog was reduced, and our time to deliver projects was reduced.
AI-Powered Market Research Platform
AI-Powered Market Research Platform
Using a combination of AI and hyper-personalized targeting, GrapeData obtains unique insight from knowledgeable respondents anywhere in the world.Digis is always very responsive, open, and willing to find alternatives when necessary.
Trading & real estate investment platform
Trading & real estate investment platform
Rockwell wants to help you achieve your trading goals, so you can live the life you want, afford the things you want, be more relaxed, and have more time to enjoy the things that are important to you.
Testimonials
Within a couple of months we could see that our backlog was reduced, and our time to deliver projects was reduced.
We have a dedicated project manager from Digis who takes our relationship very seriously.
Digis has been a reliable and high-quality partner for many years for our company.
They have skilled and committed development staff.
They’re committed and have the ability to scale up in order to deliver fast.
Their team always suggested improvements and delivered on time.
I desperately needed quality developers that would stick with me, and I’m certain Digis will do just that.
The team has been innovative and reliable. Their experience and professionalism were admirable.
Frequently Asked Questions
It depends on complexity. A simple REST API can be ready in 1–2 weeks, while enterprise-grade APIs may take 4–8+ weeks with documentation and testing.
Yes. We have experience with SOAP-to-REST conversions, legacy database connectors, and middleware solutions.
RESTful APIs, GraphQL APIs, real-time WebSocket APIs, and backend microservice APIs — depending on your use case.
Yes. We can help set up AWS API Gateway, Azure API Management, and traffic control policies for monitoring and security.
We offer SLA-based support, bug fixing, performance monitoring, and proactive updates as part of ongoing maintenance plans.
Just fill out the form or contact us via email or phone:
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TELL US WHAT TALENTS YOU NEED
Our team is available to answer any questions you may have. Fill out the form today and let us help you achieve your business goals.Tell us about your needs
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Our team is available to answer any questions you may have. Book a call with Digis today and let us help you achieve your business goals.Tell us about your needs
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We'll follow-up you and sign an Agent Agreement that regulates the specifics of our cooperation in terms of the Referral Program (including the commissions you get as a mediator).Tell us about your needs
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Tell us about your needs
Just fill out the form or contact us via email or phone:Tell us about your needs
Just fill out the form or contact us via email or phone:They choose us:
Services
- Custom Software Development
- Web Development
- Mobile Development
- Product UI/UX Design
- QA as a Service
- IT Cybersecurity Services
- AI & ML Development
- Enterprise Blockchain Development Services
- IoT App Development Services
- Blockchain Development
- Ethereum Development Services
- NFT Marketplace Development Services
- Smart Contract Development Services
- Cryptocurrency Development Services
- Crypto Wallet Development Services
- Machine Learning Development Services
- AI Chatbot Development
- Managed IT Support Services
- Cloud & DevOps Consulting
- IT Staff Augmentation
- AI Discovery Phase
- Discovery Phase
- CTO as a Service
Digis’ work and infrastructure are fantastic.