API courses can help you learn how to design, build, and test application programming interfaces, as well as understand RESTful services and authentication methods. You can build skills in data exchange formats like JSON and XML, error handling, and API documentation practices. Many courses introduce tools such as Postman for testing APIs, Swagger for documentation, and various programming languages like Python or JavaScript to implement API calls, allowing you to effectively integrate and manage data across different systems.

Coursera
Skills you'll gain: Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, AI Integrations, Tensorflow, Solution Architecture, Model Evaluation, Apache Airflow, Model Optimization, Systems Design, Transfer Learning, Unit Testing, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, Cloud-Native Computing, Scalability, Containerization, API Gateway, Devops Tools, Cloud Storage, Network Troubleshooting, Authentications, DevOps, Debugging, Development Environment, Software Installation, Network Routing, General Networking, Cloud Platforms, Google Cloud Platform, Network Protocols, Application Programming Interface (API)
Intermediate · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Data Import/Export, OS Process Management, Application Programming Interface (API), Mitigation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Systems Development Life Cycle, Software Development Life Cycle, Package and Software Management, Software Testing, Security Engineering, API Testing, Application Programming Interface (API), Cloud Security, Process Driven Development, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Data Import/Export, Mobile Development, Application Development, Data Persistence, Authentications
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Terraform
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Real Time Data, Digital Transformation, Cloud Management, Cloud Solutions, Serverless Computing, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Platforms, Data Security, Application Programming Interface (API), Looker (Software), Cloud Deployment, Public Cloud, Model Training, IT Security Architecture, Business Intelligence, Cloud Services, Cloud Computing
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Security Testing, AI Security, Responsible AI, API Testing, AI Integrations, Penetration Testing, OpenAI, Exploitation techniques, Vulnerability Scanning, Generative AI
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Agentic systems, Model Context Protocol, Vector Databases, Gemini, Generative AI Agents, Google Gemini, Retrieval-Augmented Generation, Artificial Intelligence, Generative AI, Embeddings, MongoDB, Node.JS, API Design, TypeScript, PostgreSQL, Web Applications, Systems Architecture, Database Management, Debugging, Machine Learning
Beginner · Specialization · 1 - 3 Months