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.

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Object Oriented Programming (OOP), .NET Framework, C++ (Programming Language), Video Game Development, ASP.NET, Object-Relational Mapping, Software Engineering, Web Services, Application Development, Software Design Patterns, Database Management, Programming Principles, C (Programming Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Data Mapping, Scalability, Information Architecture, Data Management, Data Structures, Query Languages, JSON, Data Import/Export, Big Data
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Spring Framework, Spring Boot
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Interactive Data Visualization, Histogram, Data Transformation, Amazon Web Services, Data Processing, Apache Kafka, Scalability, Cloud Management, Information Architecture, System Monitoring, Network Monitoring, Application Performance Management, Data Management, Data Structures
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, Unit Testing, Restful API, Application Deployment, Full-Stack Web Development, Application Development, Software Architecture, UI Components, Data Modeling, Database Development, Development Environment, Data Validation
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Collection, Data Wrangling, Data Manipulation, SQL, MySQL, Databases, Query Languages, Pandas (Python Package), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, Application Deployment, API Design, Restful API, Kubernetes, CI/CD, Cloud Computing Architecture, Google Cloud Platform, Cloud Security, Cloud Storage, Network Architecture, Cloud Computing, DevOps, Service Level, Data Storage Technologies, Distributed Denial-Of-Service (DDoS) Attacks, System Design and Implementation, System Monitoring, Scalability, Load Balancing
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Event-Driven Programming, Cloud API, Cloud Services
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Ethics, Generative AI, ChatGPT, OpenAI API, Blogs, Artificial Intelligence, Social Media Management, Copywriting, Social Media Content, Content Creation, Marketing Automation, Social Media Campaigns, Social Media, Digital Content, Email Marketing, Web Development, Digital Publishing, Web Design and Development, Content Marketing, Productivity
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Programming Principles, Python Programming, Scripting, Data Cleansing, Automation, Computational Thinking, Scripting Languages, Computer Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Open Web Application Security Project (OWASP), AI Security, Responsible AI, API Testing, Penetration Testing, OpenAI, OpenAI API, Exploitation techniques, Vulnerability Scanning, Generative AI, Large Language Modeling
Beginner · Course · 1 - 3 Months