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.

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), Security Controls
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
Intermediate · Course · 1 - 4 Weeks

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

Amazon Web Services
Skills you'll gain: AWS CloudFormation, Serverless Computing, Infrastructure as Code (IaC), Amazon Web Services, Application Programming Interface (API), Cloud Infrastructure, Event-Driven Programming, Cloud Deployment, Cloud Management, Authentications, Amazon S3, Application Deployment, Automation, Amazon DynamoDB, Scalability, Authorization (Computing)
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
★ 4.7 (78) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, OpenAI API, Fine-tuning, Model Training, Data Preprocessing, OpenAI, Large Language Modeling, Real Time Data, Data Processing, LLM Application, Data Manipulation, Generative AI, Python Programming, Customer Analysis, Machine Learning, Customer Insights, Customer Complaint Resolution
★ 4.1 (12) · Intermediate · Guided Project · Less Than 2 Hours

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
★ 4 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Prompt Engineering Tools, Generative AI Agents, AI powered creativity, AI literacy, Responsible AI, Content Creation, Computer Programming Tools, Large Language Modeling
★ 4.7 (20) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Development, Security Strategy, Application Programming Interface (API), Authentications, Encryption
★ 4.6 (14) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Command-Line Interface, Google Cloud Platform, Test Tools, Cloud API, API Testing, Application Programming Interface (API), Python Programming, Document Management
★ 4.7 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours