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: React.js, Continuous Deployment, Application Deployment, Cloud Deployment, Web Applications, UI Components, Javascript, Bootstrap (Front-End Framework), JavaScript Frameworks, Development Environment, User Interface (UI), Cascading Style Sheets (CSS), Application Programming Interface (API)
★ 5 (10) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Large Language Modeling, Responsible AI, AI Security
★ 4.4 (57) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, SQL, ChatGPT, Prompt Engineering, OpenAI, Pandas (Python Package), Query Languages, Natural Language Processing, Generative AI, Data Import/Export, Data Manipulation, Databases, Data Wrangling, Python Programming, Large Language Modeling, Machine Learning, Software Engineering
★ 4.4 (7) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Meta Ads Manager, Content Creation, Facebook, Target Market, Social Media, Social Media Marketing, Promotions and Campaigns, Campaign Planning, Social Media Content, Bidding, Online Advertising, Pay Per Click Advertising, Performance marketing, Social Media Campaigns, Content Scheduling, Pinterest, Advertising Campaigns, Social Media Strategy, Social Media Management, Digital Advertising
★ 4.6 (7) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Javascript, Application Programming Interface (API)
★ 4.9 (11) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), API Gateway, Secure Coding, Cloud Development, Cloud Deployment, Database Development, Maintainability, Dataflow, Application Deployment, Server Side, Web Applications, Authentications, Authorization (Computing), Data Access
★ 3.8 (6) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), AI Integrations, Restful API, ChatGPT, Generative AI, OpenAI API, JSON, Full-Stack Web Development, Application Deployment, Secure Coding, LLM Application, User Interface (UI), Python Programming, User Interface (UI) Design, Application Development, Back-End Web Development, Debugging
★ 3.6 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Context Engineering, Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Model Optimization, Embeddings, Workflow Management, Python Programming, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud API, Google Cloud Platform, Text Mining, Application Programming Interface (API), LLM Application, Large Language Modeling, Generative AI, Prompt Engineering, Natural Language Processing, Jupyter, Python Programming, Classification Algorithms
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Frontend Integration, Front-End Web Development, User Interface (UI) Design, Web Design, Web Design and Development, Web Applications, JavaScript Frameworks, Server Side, Restful API, Secure Coding, Authentications, Authorization (Computing), Responsive Web Design
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Database Management, Back-End Web Development, Generative AI, Performance Tuning, Database Development, API Design, Application Programming Interface (API), AI Integrations, Databases, AI literacy, Artificial Intelligence, Risk Management
★ 4.5 (23) · Intermediate · Course · 1 - 4 Weeks