We use cookies to ensure the optimal functioning of the website and facilitate your use of our website. It allows us, among other things, to adjust the appearance of the website to your preferences. Be aware you can disable cookies at anytime. More information can be found in the privacy policy.
Some of Our Happy Clients:
Open Up a New World of Communication
At Softjourn, we architect the backbone of modern digital ecosystems through cutting-edge API development services. Our comprehensive suite encompasses everything from strategic API design and custom development to seamless integration and robust management solutions. Leveraging RESTful architectures, GraphQL flexibility, and gRPC efficiency, we craft APIs that meet and exceed the demands of today's interconnected applications. Whether you're looking to modernize legacy systems, optimize mobile experiences, or harness the power of cloud computing, our expert team delivers scalable, secure, and high-performance APIs that drive innovation and propel your business forward in the API economy.
Why APIs Matter:
- According to SlashData's 19th Developer Economics Survey, nearly 90% of developers reported using APIs in some capacity. Specifically, 69% use third-party APIs, while 20% utilize internal or private APIs.
- The global API management market size was valued at USD 5.42 billion in 2024. The market is projected to grow from USD 6.89 billion in 2025 to USD 32.77 billion by 2032, exhibiting a CAGR of 25.0% during the forecast period. Source
- In 2024, 74% of developers reported adopting an API-first approach, up from 66% in 2023. This methodology streamlines integration and enhances efficiency across development teams.
- According to the State of the API Report, between 26 and 50 APIs are now powering the average application, demonstrating the central role of APIs in modern software architecture.
- The AI API market is estimated at $48.5 billion in 2024 and is expected to grow at a 31.3% CAGR from 2025 to 2030, highlighting the increasing integration of AI capabilities through APIs. Source.
API Development Services
Unlock new possibilities and drive innovation with our comprehensive API development services. From meticulous design and architecture to robust implementation and ongoing management, our expert team guides you through every step of the API lifecycle.
We create scalable, secure, and high-performance APIs that not only meet your immediate needs but also adapt to your evolving business requirements.
Custom API Development from Scratch
Custom API integrations are a great way to maintain your APIs continually. You can use them for integration development, publishing, documentation, etc. Softjourn’s developers can create an API that will satisfy all your requirements.
API Integration Services
We assist clients in integrating APIs into their applications and systems, ensuring smooth connectivity. Our services include developing SDKs, client libraries, and API marketplaces to foster a thriving ecosystem around your APIs.
Learn more 
API Design and Architecture Services
Our expert team designs efficient and intuitive APIs that align with your business goals. We create comprehensive API specifications and documentation to ensure seamless integration and maintainability.
API Modernization and Enhancement Services
Softjourn updates old APIs, fixing problems and applying new standards. We improve how your systems work together, make them easier for developers to use, and help your business keep up with tech changes.
API for Mobile Apps
Building APIs for mobile apps is critical when introducing a range of new features to improve the user experience. Such APIs will allow your users to make appointments, pay, and use maps so they can enjoy your services and use them more easily.
Cloud API Development
Our developers can help you integrate apps into the cloud using cloud-based APIs. Cloud APIs can easily unlock your software’s ability to request data from various services.
API Management and Monitoring
Our API management solutions enable efficient traffic control, rate limiting, and API key management. We set up comprehensive monitoring and analytics to track API usage, performance, and error rates, ensuring optimal API health and security.
API Consulting Services
Our API consulting services help organizations define and execute their API strategy, aligning with business objectives. We provide guidance on API best practices, industry trends, and API-driven business models to drive innovation and growth.
API Testing and QA Services
We develop comprehensive API test suites and conduct rigorous testing to ensure your APIs are functional, performant, and secure. Our QA process includes automated testing frameworks and continuous integration pipelines to maintain API quality.
API Support and Documentation
We create detailed API documentation, including references, guides, and code samples, to facilitate easy integration and adoption. Our dedicated developer support team provides technical assistance and guidance throughout the API lifecycle.
RESTful API
Our team designs and develops RESTful APIs that adhere to industry best practices and standards. We create well-structured, intuitive, and scalable APIs that enable seamless communication between systems and facilitate easy integration with client applications.
GraphQL API
Our team specializes in designing GraphQL APIs that provide a flexible and efficient approach to data querying and manipulation. We create well-structured schemas, define types and resolvers, and optimize query performance to ensure your GraphQL API meets your application's requirements.
gRPC
We help you define your gRPC services using Protocol Buffers (protobuf), a language-agnostic interface definition language. We create clear and concise .proto files that define your service methods, request/response messages, and data types, ensuring efficient data serialization and deserialization.
API Case Studies
Event Ticketing
SecuTix: Supporting Business Growth with Integration
SecuTix is a cloud-based ticketing platform that manages over 45 million tickets. They understood how important it was to improve productivity, maintenance, and data integrity, so they partnered with Softjourn’s developers to make it happen. With a new Salesforce plugin, SecuTix now has a consistent, timely integration that allows the company to offer a greater variety of events and venues to their customers.
Technologies:
Java 8 Rest API Postman jUnit
Are you looking for a reliable and experienced API development company?
Secure API Development with Softjourn
At Softjourn, we understand that API security is paramount in today's digital landscape. Our team is highly skilled in building robust and secure APIs that deliver functionality and ensure that your data and users are fully protected. Here's how we prioritize security in every API we develop:
-
Data Encryption: We implement industry-standard encryption protocols in transit and at rest, ensuring your sensitive information is always secure.
-
Authentication & Authorization: We integrate strong authentication methods like OAuth2, JWT (JSON Web Tokens), and API keys to ensure that only authorized users can access your API endpoints.
-
Rate Limiting & Throttling: To prevent abuse, we apply rate limiting and throttling strategies, ensuring your API is resilient against Denial-of-Service (DoS) attacks.
-
Input Validation & Error Handling: By enforcing strict input validation, we minimize the risk of SQL injection, cross-site scripting (XSS), and other common vulnerabilities. Additionally, our error-handling mechanisms provide security without exposing critical information.
-
Regular Security Audits & Testing: We regularly conduct penetration testing and vulnerability assessments on APIs to identify and mitigate potential security flaws.
-
Compliance with Industry Standards: Whether you must adhere to GDPR, HIPAA, or other regulatory frameworks, we ensure your APIs meet all necessary compliance requirements.
Engagement Models
What Services We Offer
Whether upgrading an existing code or creating a new one, the most important expertise we offer is a proven approach to mitigating risk and containing costs. Discover more about Softjourn's expert Consulting Services.
Often clients don’t know what product they need, but do know the results they want. Our job is to help define the product and develop optimal solutions to get those results. Learn more about Softjourn's Discovery Phase Services.
To compete, our clients continually need to provide new and better services. We have our own R&D Centers – started in 2008 – which uniquely positions us to do just that. Read more about Softjourn's Research and Development Services.
Our developers and illustrators are experts at UI and UX design. They will work with you to understand your needs in going from idea to prototype to deployment faster and at less cost. Explore further into Softjourn's Digital Product Design Services.
Software development has grown exponentially in recent decades. Softjourn is the solution to help you define and develop forward-thinking technology that gets real-world results. Get to know more about Softjourn's Software Engineering Services.
Our core belief is that analyzing and testing is critical because the essential role of software is so important. In the process, our Quality Assurance team helps you create superior products. Explore further into Softjourn's QA services.
Since day one, we’ve been providing application support and maintenance services to each customer on every project. It’s why we’re a proven, trusted partner and reliable asset. Get to know more about Softjourn's Application Support and Maintenance Services.
Our technology stack at Softjourn is designed to empower us to deliver world-class services to our clients. With a strong focus on innovation and efficiency, we continually adapt our expertise to stay ahead of the curve. Discover the Technologies and Frameworks we utilize, and learn how we can bring your ideas to life.
1. Discovery and requirements analysis
1. Discovery and requirements analysis
We start by understanding your business objectives and technical constraints. Our team conducts stakeholder interviews, analyzes your current systems, and defines clear API requirements. You receive a comprehensive specification document that outlines functionality, performance targets, and integration points.
Possible Deliverables: Technical requirements document, API specification, project timeline
2. API design and architecture
2. API design and architecture
We design your API architecture using industry best practices and proven patterns. Our architects create detailed endpoint specifications, data models, and security frameworks. You get a blueprint that ensures your API scales efficiently and maintains consistent performance under load.
Possible Deliverables: API architecture diagram, endpoint specifications, data schema design
3. Development and implementation
3. Development and implementation
Our development team builds your API using modern frameworks and follows strict coding standards. We implement comprehensive error handling, input validation, and logging mechanisms. You receive clean, maintainable code with full documentation and automated testing coverage.
Possible Deliverables: Production-ready API code, automated test suite, deployment scripts
4. Security integration
4. Security integration
We implement multi-layered security measures including authentication, authorization, and data encryption. Our security specialists conduct vulnerability assessments and apply OWASP guidelines. You get an API that protects sensitive data and meets compliance requirements.
Possible Deliverables: Security audit report, authentication system, encrypted data transmission
5. Testing and quality assurance
5. Testing and quality assurance
We execute comprehensive testing including unit tests, integration tests, and performance benchmarks. Our QA team validates functionality across different environments and load conditions. You receive detailed test reports and performance metrics that demonstrate API reliability.
Possible Deliverables: Test execution reports, performance benchmarks, quality metrics dashboard
6. Documentation and integration support
6. Documentation and integration support
We create comprehensive API documentation with interactive examples and integration guides. Our team provides hands-on support during implementation and offers training for your development team. You get everything needed for successful API adoption.
Possible Deliverables: API documentation, integration guides, developer training sessions
7. Deployment and monitoring
7. Deployment and monitoring
We deploy your API to production environments with robust monitoring and alerting systems. Our DevOps team implements automated scaling, backup procedures, and performance tracking. You receive real-time visibility into API performance and usage patterns.
Possible Deliverables: Production deployment, monitoring dashboard, automated scaling configuration
8. Ongoing maintenance and optimization
8. Ongoing maintenance and optimization
We provide continuous support with regular performance reviews and optimization recommendations. Our team monitors usage patterns, identifies bottlenecks, and implements improvements. You get ongoing value through enhanced performance and new feature development.
Possible Deliverables: Monthly performance reports, optimization recommendations, feature enhancement roadmap
1. Discovery and requirements analysis
We start by understanding your business objectives and technical constraints. Our team conducts stakeholder interviews, analyzes your current systems, and defines clear API requirements. You receive a comprehensive specification document that outlines functionality, performance targets, and integration points.
Possible Deliverables: Technical requirements document, API specification, project timeline
2. API design and architecture
We design your API architecture using industry best practices and proven patterns. Our architects create detailed endpoint specifications, data models, and security frameworks. You get a blueprint that ensures your API scales efficiently and maintains consistent performance under load.
Possible Deliverables: API architecture diagram, endpoint specifications, data schema design
3. Development and implementation
Our development team builds your API using modern frameworks and follows strict coding standards. We implement comprehensive error handling, input validation, and logging mechanisms. You receive clean, maintainable code with full documentation and automated testing coverage.
Possible Deliverables: Production-ready API code, automated test suite, deployment scripts
4. Security integration
We implement multi-layered security measures including authentication, authorization, and data encryption. Our security specialists conduct vulnerability assessments and apply OWASP guidelines. You get an API that protects sensitive data and meets compliance requirements.
Possible Deliverables: Security audit report, authentication system, encrypted data transmission
5. Testing and quality assurance
We execute comprehensive testing including unit tests, integration tests, and performance benchmarks. Our QA team validates functionality across different environments and load conditions. You receive detailed test reports and performance metrics that demonstrate API reliability.
Possible Deliverables: Test execution reports, performance benchmarks, quality metrics dashboard
6. Documentation and integration support
We create comprehensive API documentation with interactive examples and integration guides. Our team provides hands-on support during implementation and offers training for your development team. You get everything needed for successful API adoption.
Possible Deliverables: API documentation, integration guides, developer training sessions
7. Deployment and monitoring
We deploy your API to production environments with robust monitoring and alerting systems. Our DevOps team implements automated scaling, backup procedures, and performance tracking. You receive real-time visibility into API performance and usage patterns.
Possible Deliverables: Production deployment, monitoring dashboard, automated scaling configuration
8. Ongoing maintenance and optimization
We provide continuous support with regular performance reviews and optimization recommendations. Our team monitors usage patterns, identifies bottlenecks, and implements improvements. You get ongoing value through enhanced performance and new feature development.
Possible Deliverables: Monthly performance reports, optimization recommendations, feature enhancement roadmap
Client Testimonials
Tacit Corporation chose Softjourn as their technology partner, impressed by our technical expertise and direct approach. Brenda Crainic, CTO of Tacit, highlighted, "Softjourn worked very closely with us to understand our needs, the dynamic of the combined team in Canada and Ukraine, and provided support for their professional growth and workplace satisfaction.
Our team’s dedication to understanding Tacit's needs has been instrumental in enhancing their platform’s capabilities, ensuring robust API development solutions. This ongoing collaboration underscores our commitment to delivering high-quality, innovative services that support our clients' visions." - Brenda Crainic, CTO and Co-Founder of Tacit
FAQ
API (Application Programming Interface) development involves creating connections that allow different software systems to communicate with each other seamlessly. For businesses, APIs provide a way to integrate existing systems, automate processes, and share data in real time, resulting in reduced manual work and fewer errors. By leveraging APIs, you can enhance customer experience, build new revenue streams, and create opportunities for collaboration by connecting with partners' systems or third-party platforms. Ultimately, investing in API development allows your business to innovate, scale efficiently, and stay competitive in an increasingly interconnected digital landscape.
Softjourn can develop various custom APIs, including RESTful, GraphQL, and SOAP, for internal systems, partner integrations, or public use. We customize each API solution to meet the unique requirements of your business and industry.
Our development teams prioritize security by implementing industry best practices such as authentication, encryption, and secure data transmission. Our team follows standards like OAuth and employs comprehensive testing to safeguard your APIs against vulnerabilities.
Absolutely! Our team can assess your API setup, suggest optimizations, and help integrate with modern systems or third-party platforms. We ensure smooth transitions while maintaining system stability and performance.
APIs automate the data flow between different software systems, reducing the need for manual data entry, minimizing errors, and speeding up workflows. This makes operations faster, reduces costs, and ultimately enhances the service you offer customers.
Softjourn has extensive experience in API development and integration across various industries, including fintech, ticketing, entertainment, and more. Our expertise ensures we can develop industry-specific solutions that address unique challenges.
Our process includes understanding your business needs, planning the architecture, developing and testing the end-to-end API, and integrating it seamlessly with your systems. We follow an agile methodology to adapt to changes and ensure the best possible outcome.
Yes, we specialize in developing APIs that integrate with third-party software, such as payment gateways, CRMs, ticketing systems, etc. We aim to help you create an interconnected system that enhances overall functionality.
We were encouraged because Softjourn asked the right questions and involved people with the right experience in the conversations.
Toffer Grant
Founder at PEX
Founder at PEX