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: Email Automation, Marketing Automation, OpenAI API, Business Process Automation, AI Workflows, OpenAI, ChatGPT, Automation, Performance Tuning, Workflow Management, Generative AI, Scalability, Blogs, Process Optimization, Operational Efficiency, AI Integrations, Real Time Data, Prompt Engineering, Business Logic, Social Media Content
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Frameworks, Restful API, Application Programming Interface (API), API Testing, Application Deployment, Software Documentation, Package and Software Management, JSON, Server Side, Python Programming, Data Validation
Intermediate · Guided Project · Less Than 2 Hours
Amazon Web Services
Skills you'll gain: Generative AI, Generative AI Agents, Amazon Bedrock, Agentic systems, AI Product Strategy, Responsible AI, Agentic Workflows, AI Integrations, LLM Application, Application Programming Interface (API), Application Development, Amazon Web Services, Data Governance, Commercialization, Cost Management, Personally Identifiable Information, Cost Containment, Cost Control, Model Training, Compliance Management
Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: MySQL, Database Development, Django (Web Framework), Query Languages, Database Management, Database Application, SQL, Databases, Stored Procedure, Back-End Web Development, Python Programming, Application Programming Interface (API), Data Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages, Database Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, OpenAI API, Model Deployment, OpenAI, AI Integrations, Tool Calling, LLM Application, Enterprise Application Management, OAuth, Model Context Protocol, Prompt Engineering, Performance Tuning, Real Time Data, Interoperability, Prompt Patterns, Application Deployment
Intermediate · Professional Certificate · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Data Sharing, Financial Regulation, Financial Systems, Application Programming Interface (API), Financial Data, Banking, Financial Regulations, International Finance, Law, Regulation, and Compliance, Data Governance, Finance, Interoperability, Design Strategies, Regulatory Requirements, Strategic Thinking, Innovation, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller
Intermediate · Course · 1 - 4 Weeks

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
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
Intermediate · Course · 1 - 4 Weeks