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: Restful API, API Design, Application Programming Interface (API), Security Controls, Virtual Environment, Development Environment, Python Programming, Secure Coding, Data Access, User Accounts, Package and Software Management, Application Security, Encryption
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, Prompt Engineering, Generative AI Agents, Data Analysis, Generative AI, OpenAI, Data Visualization Software, Data Manipulation, Artificial Intelligence, Python Programming
★ 4.9 (7) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), DevSecOps, Vulnerability Assessments, Computer Security Incident Management, Vulnerability Management, Vulnerability Scanning, Application Security, Security Controls, Secure Coding, Security Testing, API Testing, Authentications, Threat Management, Hardening, Dependency Analysis, Package and Software Management, Application Programming Interface (API), Risk Analysis, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Role-Based Access Control (RBAC), Authentications, Secure Coding, Load Balancing, ASP.NET, Microsoft Copilot, Software Architecture, Performance Tuning, Data Security, Back-End Web Development, .NET Framework, API Design, Restful API, Application Security, Application Development, C# (Programming Language), Multi-Factor Authentication, Process Optimization, Debugging
★ 4.5 (94) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Postman API Platform, API Testing, CI/CD, Application Programming Interface (API), Web Development Tools, Test Automation, Continuous Integration, AI Integrations, Test Script Development, Devops Tools, Key Management, Test Tools, Software Development Tools, Secure Coding, Automation, AI Security, AI Workflows, Debugging, Quality Assurance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webhook Security, AI Integrations, Generative AI Agents, Application Programming Interface (API), AI Workflows, Agentic Workflows, API Design, Restful API, AI Orchestration, OpenAI API, Web Scraping, Prompt Engineering, Scripting Languages, No-Code Development, Google Gemini, Javascript, Automation, Authentications, Large Language Modeling, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Testing, Application Programming Interface (API), Authentications, Test Script Development, Test Automation, JSON, Security Testing, Java Programming, Scenario Testing, Java, Test Tools, Test Case, Build Tools, Authorization (Computing), Development Environment, Data Validation, Verification And Validation, Back-End Web Development
★ 4.9 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OAuth, Unit Testing, Apache Airflow, Fine-tuning, Model Evaluation, Data Validation, API Design, Test Driven Development (TDD), Data Integrity, Extract, Transform, Load, Model Training, Multimodal Prompts, Natural Language Processing, MLOps (Machine Learning Operations), OpenAI API, Data Presentation, Hugging Face, Token Optimization, CI/CD, Tensorflow
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Software Documentation, Engineering Documentation, Technical Documentation, Model Training, Software Design Documents, Technical Writing, Generative Model Architectures, Technical Communication, Restful API
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Prompt Engineering, OpenAI API, Token Optimization, LangChain, ChatGPT, Multimodal Prompts, OpenAI, Prompt Patterns, Generative AI, No-Code Development, LLM Application, AI powered creativity, Generative Model Architectures, Microsoft Power Platform, Application Programming Interface (API), Large Language Modeling, AI Workflows, Email Automation, Application Development, JSON
★ 3.6 (7) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Mockups, Test Tools, Extensible Languages and XML, Verification And Validation, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Verification And Validation, Software Testing, Restful API, Web Development Tools, Development Testing, Code Reusability
★ 4.8 (11) · Beginner · Course · 1 - 4 Weeks