API skills help you work more effectively where applications, services and data need to connect. Through REST and GraphQL learning, you can understand how requests are handled, how responses are structured and how interfaces are designed for practical use. By completing this training, you can develop the confidence to interpret API documentation, support integration work and contribute to more reliable API delivery across development, testing and platform teams.
API training courses
Design reliable, modern systems using APIs (Application Programming Interfaces). Discover how digital tools communicate to support robust applications and services.Develop API capability that supports stronger delivery across web, cloud and service-based systems. TSG’s APIs courses help developers, testers and technical professionals build practical skills in REST APIs and GraphQL, giving you a clearer basis for working with integrations, service interfaces and API-led delivery in your career.
Why choose API training?
APIs underpin modern software development, enabling systems to exchange data reliably across web, mobile and cloud-based platforms. API training gives you focused learning in the technologies used to connect software systems, from RESTful services to GraphQL-based data access.
API training is valuable if you need to understand how they are specified, consumed, tested or improved within delivery teams. By developing these skills, you can work with clearer technical context when supporting integrations, service behaviour and data exchange.
What’s in it for me?
- Understand REST and GraphQL service patterns
- Use HTTP methods, endpoints and status codes
- Create requests and interpret API responses
- Work with JSON data in practical scenarios
- Read API documentation with greater confidence
- Apply authentication and security considerations
- Test and troubleshoot API behaviour
- Support integration across connected systems
APIs courses
APIs
REST APIs
APIs
GraphQL
FAQs
API training focuses on the tools, standards and techniques used to design, build and interact with web services. It supports practical skill development for professionals working across development, testing and integration roles.
What is the difference between REST and GraphQL?
REST APIs use fixed endpoints and predefined response structures, typically returning a full dataset for each request. GraphQL allows you to specify exactly what data is required, enabling more efficient data retrieval and reducing unnecessary payloads. Both approaches are widely used in modern development environments.
Who should attend API training courses?
These courses are suitable for developers, testers, DevOps engineers and technical professionals who work with API-driven systems. They are also relevant for individuals involved in system integration, web development or services-based architectures.
What tools will I use during the training?
You’ll work with tools commonly used to develop and test APIs, including environments for sending requests, analysing responses and debugging services. These tools support practical learning and reflect real-world development workflows.
What practical skills will I gain from API training?
You’ll develop hands-on experience working with APIs, including building requests, handling responses and testing services using industry tools. The training focuses on applying REST and GraphQL concepts in realistic scenarios, helping you understand how APIs function within live systems and integration workflows.
How are APIs used in real-world systems?
APIs are used to enable communication between applications, services, and platforms across web and cloud environments. They support data exchange, system integration and service connectivity, allowing different components of a system to work together reliably within modern software architectures.
Will this training help me work with API documentation?
Yes. You’ll learn how to read and interpret API documentation, understand endpoints and request structures and use this information to interact with services effectively. This is a key skill for working with both internal and third-party APIs in development, testing and integration tasks.
Career development & support
Support throughout your learning experience
From understanding study options to preparing for your course, our help centre brings together the key information you need to get started. And if you have a specific question, our team is ready to assist.
Stay informed with relevant technical insights
Head to our resource centre for a range of content designed for working professionals, including upcoming webinars, recorded sessions, weekly blogs and downloadable course information, as well as our latest research report.
Your study options
eLearning
Access guided digital content that lets you build knowledge progressively in your own time. Ideal if you want the freedom to fit learning around your schedule while maintaining a clear, structured approach.
Live virtual classroom
Join live scheduled sessions led by experienced trainers, where you can explore topics in depth, ask questions as you go, and stay fully engaged in a focused online setting.
Classroom
Learn alongside other professionals in a dedicated environment, with immediate access to trainer insight, group discussion, and practical exploration of key concepts.
Blended
Combine independent online study with structured trainer-led sessions, giving you time to understand the fundamentals before focusing on applying them in practice.
Onsite
Delivered at your location, this option is designed around your team’s specific context, helping embed skills that are directly relevant to your tools, processes and objectives.
What our customers say
Testimonial
Impressive industry expertise
“Alan is a wonderful lecturer and an expert within the field. I learned a lot and built on top of my previous knowledge about key principles and concepts. He has a great pace, allowing the rest of group and me to work on practical exercises after learning a new topic to consolidate the learning and ask any questions. I really enjoyed the course and am looking forward to learning more from Alan for future courses.”
- Abdulmalik, MSc Graduate programme Trainee Software - Government