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.

Skills you'll gain: API Design, JavaScript Frameworks, Query Languages, Business Logic, Software Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Debugging, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Game Design, UI Components, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Spring Boot, Real Time Data, Java, Unit Testing, Restful API, JSON, Integration Testing, Distributed Computing, Scalability, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, ChatGPT, Application Programming Interface (API), OpenAI, Authentications, Large Language Modeling, Key Management, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Application Security, Public Key Cryptography Standards (PKCS), Secure Coding, Data Security, Web Development, Email Security, PHP (Scripting Language), Algorithms, User Provisioning
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: OpenAI, LLM Application, Generative AI Agents, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Prompt Engineering, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Application Programming Interface (API), Java, Postman API Platform, Software Development Tools, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, JSON, JUnit, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Node.JS, Restful API, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Programming Interface (API), Restful API, Web Services, Cloud Services, C# (Programming Language), Server Side, Application Development, Development Environment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, Java Programming, Java, Mobile Development, Apache Maven, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud API, API Gateway, Restful API, Cloud Applications, Application Deployment, API Design, Go (Programming Language), Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
Intermediate · Project · Less Than 2 Hours