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.

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Fine-tuning, Applied Machine Learning, Model Training, Deep Learning, Model Optimization, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics)
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Test Script Development, Application Development, Application Design, Application Frameworks, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Development Environment, Frontend Integration, Application Deployment, Application Programming Interface (API), Software Development Tools, Interoperability, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI, Large Language Modeling, LLM Application, AI literacy, AI Integrations, Model Evaluation, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Spring Framework, Spring Boot, Model View Controller, Unit Testing, Frontend Integration, Microservices, Application Development, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Data Persistence, Web Services
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Responsible AI, Model Evaluation, Fine-tuning, Model Deployment, LangChain, Feature Engineering, Model Optimization, Large Language Modeling, Generative Model Architectures, Generative AI, LLM Application, MLOps (Machine Learning Operations), Model Training, OpenAI API, Generative Adversarial Networks (GANs), Business Strategy, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Internet Of Things, API Design, User Interface (UI), Embedded Software, Amazon Web Services, Interactive Design, Cloud Computing Architecture, Human Computer Interaction, Embedded Systems, Application Programming Interface (API), Prototyping, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Code Reusability, Debugging, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Development, Development Testing, Object Oriented Design, Report Writing, Security Controls, HTML and CSS
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Secure Coding, Web Design and Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, Test Tools, Cloud Applications, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Collaboration
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, Devops Tools, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Methodologies, Network Model, IT Automation, Software-Defined Networking, CI/CD, DevOps, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, Network Protocols, Network Routing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: COBOL (Programming Language), Continuous Integration, Development Testing, Test Automation, Unit Testing, Development Environment, Middleware, Program Development, z/OS, Mainframe Computing, Debugging, Integrated Development Environments, Mainframe Technologies, Data Structures, Computer Programming, Programming Principles, Application Programming Interface (API), File I/O, Performance Tuning, Automation
Intermediate · Course · 3 - 6 Months