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.

LearnKartS
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Network Security, Security Awareness, Information Systems Security, Application Security, Cyber Risk, Network Monitoring, Cloud Security, Authorization (Computing), Linux Commands, Artificial Intelligence, ChatGPT
★ 4.6 (199) · Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mobile Development, JSON, Application Development, Geospatial Information and Technology, Restful API, Google Cloud Platform, Application Programming Interface (API), Data Persistence, User Interface (UI) Design, User Interface (UI), Web Services, Animations
★ 4.6 (103) · Mixed · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, Business Process Automation, Multimodal Prompts, Prompt Patterns, AI literacy, Generative AI Agents, Productivity, Context Engineering, Document Management
★ 4.8 (26) · Intermediate · 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
★ 4.1 (113) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon DynamoDB, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Serverless Computing, Cloud API, Application Programming Interface (API), Identity and Access Management, Amazon Web Services, Cloud-Based Integration, Authentications, Authorization (Computing), NoSQL, Cloud Storage, Cloud Hosting, Data Storage
★ 4.6 (33) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, OAuth, Google Cloud Platform, Kubernetes, Cloud Storage, Authentications, Security Controls, Application Security, Authorization (Computing), Data Security, Role-Based Access Control (RBAC), Hardening, Web Applications, Vulnerability Scanning, Encryption, Key Management, Virtual Machines
★ 4.7 (351) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Security Controls, Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Cryptography, Web Applications, Wireless Networks
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon Web Services, API Gateway, Amazon DynamoDB, IT Automation, Middleware, Software Development, Python Programming, Service Oriented Architecture, Systems Architecture, Microservices, Cloud API, Serverless Computing, Cloud Applications, Cloud-Based Integration, Application Frameworks, Databases, Scripting, Database Systems, Application Development
★ 4.4 (25) · Beginner · Course · 1 - 4 Weeks

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

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
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Operational Databases, Database Systems, Application Programming Interface (API), Database Management, Distributed Computing, Data Store, Database Design, Database Architecture and Administration, Performance Tuning, Object-Relational Mapping, Scalability, Data Modeling, Data Validation
★ 4.7 (65) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transfer Learning, Fine-tuning, Tensorflow, Natural Language Processing, Keras (Neural Network Library), Embeddings, Model Training, Deep Learning, Classification Algorithms, Model Evaluation, Machine Learning, Software Visualization
★ 4.8 (181) · Intermediate · Guided Project · Less Than 2 Hours