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.

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies, Security Controls
★ 4 (599) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, AI Integrations, OpenAI API, OpenAI, Generative AI, API Testing, Data Ethics, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Fine-tuning, Computer Programming, Key Management
★ 4.5 (134) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: C# (Programming Language), Restful API, ASP.NET, Model View Controller, .NET Framework, Docker (Software), Azure DevOps, Object Oriented Programming (OOP), Azure DevOps Pipelines, Microservices, Containerization, JSON, Application Programming Interface (API), API Design, DevOps, Web Services, Middleware, CI/CD, Object Oriented Design, Application Frameworks
★ 4.1 (386) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
★ 4.6 (180) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Microsoft Azure, Cloud API, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), User Accounts, Image Analysis, Artificial Intelligence, Cloud Computing, Software Development
★ 4.5 (522) · Intermediate · Guided Project · Less Than 2 Hours
DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Autoencoders, Generative AI, Tensorflow, Computer Vision, Image Analysis, Transfer Learning, Convolutional Neural Networks, Generative Model Architectures, Fine-tuning, Deep Learning, Keras (Neural Network Library), Model Training, Model Optimization, Applied Machine Learning, Artificial Neural Networks, Classification Algorithms, Model Evaluation, Distributed Computing, Visualization (Computer Graphics)
★ 4.8 (1.7K) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Technical Writing, Technical Documentation, Software Documentation, Technical Communication, Layout Design, Writing and Editing, Writing, Collaborative Software, Augmented and Virtual Reality (AR/VR), Typography, Proofreading, Multimedia, Content Management, GitHub
★ 4.3 (435) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Convolutional Neural Networks, Reinforcement Learning, Deep Learning, Model Optimization, Autoencoders, Generative AI, Unsupervised Learning, Tensorflow, Generative Adversarial Networks (GANs), Generative Model Architectures, Transfer Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Time Series Analysis and Forecasting
★ 4.4 (1K) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Deep Learning, Keras (Neural Network Library), Convolutional Neural Networks, Model Optimization, Model Training, Artificial Neural Networks, Model Evaluation
★ 4.9 (1.1K) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Prompt Patterns, Responsible AI, OpenAI API, AI Integrations, Cloud Deployment, Cloud Applications, Cloud Development, LLM Application, OpenAI, HTML and CSS, Hypertext Markup Language (HTML), ChatGPT, Application Deployment, Mobile Development, API Gateway, Web Applications, Debugging, Artificial Intelligence
★ 4.5 (348) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, LLM Application, OpenAI, Large Language Modeling, Application Development
★ 4.7 (2.3K) · Beginner · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Copilot, CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Load Balancing, Object Oriented Design, Continuous Integration, Version Control, Git (Version Control System), Role-Based Access Control (RBAC), Continuous Delivery, Scalability, ASP.NET, Full-Stack Web Development, SQL, .NET Framework, Graph Theory
★ 4.6 (445) · Beginner · Professional Certificate · 3 - 6 Months