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.

Coursera
Skills you'll gain: Vector Databases, Performance Tuning, Data Migration, Data Infrastructure, Infrastructure Architecture, Data Integrity, Scalability, Embeddings, Data Import/Export, Data Engineering, Database Management, MLOps (Machine Learning Operations), Scripting, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quality Monitoring, Cloud API, Application Programming Interface (API), Cloud Hosting, Webhook Security, Data Migration
★ 4.5 (106) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Restful API, Cloud Deployment, Dashboard Creation, Full-Stack Web Development, Data Visualization, Application Deployment, Object-Relational Mapping, Interactive Data Visualization, Cloud Applications, Application Programming Interface (API), API Design, Web Applications, Web Development, Authentications, Database Management, User Accounts, Scalability
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Frontend Integration, Performance Tuning, Enterprise Architecture, Service Oriented Architecture, Authentications, Authorization (Computing), Scalability, TypeScript, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Continuous Integration, Artificial Intelligence and Machine Learning (AI/ML), Service Level Agreement, Performance Stress Testing, Performance Measurement, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Frontend Integration, Enterprise Architecture, User Interface (UI), Application Frameworks, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Object Oriented Design, Continuous Integration, Role-Based Access Control (RBAC), Continuous Delivery, Scalability, Authentications, ASP.NET, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
★ 4.6 (341) · Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Development Environment, Context Management
★ 4.6 (1.5K) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering, Prompt Patterns, Model Optimization, Business Intelligence, Business Reporting, Model Training, Fine-tuning, Data Pipelines, Generative AI, Cost Benefit Analysis, Performance Analysis, Model Evaluation, Key Performance Indicators (KPIs), Quality Assessment
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Agentic systems, Tool Calling, Agentic Workflows, Generative AI Agents, Gemini, Google Gemini, LLM Application, AI Integrations, OpenAI, Middleware, Angular, Development Environment, Systems Architecture, Node.JS, Frontend Integration, Debugging, JSON, Data Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Token Optimization, LLM Application, Large Language Modeling, Generative AI, AI Workflows, AI Integrations, Application Programming Interface (API), Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Data Flow Diagrams (DFDs), Prompt Engineering, AI Integrations, Generative AI, Embeddings, Diagram Design, Large Language Modeling, Vector Databases, Data Pipelines, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks