API testing courses can help you learn how to validate API functionality, performance, security, and reliability. You can build skills in writing test cases, automating tests, and analyzing API responses to ensure they meet specifications. Many courses introduce tools like Postman, SoapUI, and JMeter, that support executing tests and monitoring API behavior. You'll also explore methods for integrating testing into the development process, enhancing collaboration between teams, and ensuring seamless application performance.

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Hydrology, Civil Engineering, Engineering Analysis, Engineering, Mechanics, Engineering Calculations, Hydraulics, Materials science, Laboratory Testing
Beginner · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Computer Security Incident Management, Security Management, Penetration Testing, Cybersecurity, Authentications, Vulnerability Assessments, Encryption, Firewall, Identity and Access Management, Hardening, Threat Detection, Disaster Recovery, Public Key Infrastructure, Mobile Security, Risk Management Framework, Risk Management
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Database Systems, Java, Restful API, Web Services, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, IT Security Architecture, Security Controls, Cloud Security, Encryption, Data Security, Network Administration, Information Assurance, Cybersecurity, Identity and Access Management, Cloud Computing, Penetration Testing, Cyber Risk, Vulnerability Scanning, Authorization (Computing), Computer Security Incident Management, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Agentic systems, Systems Architecture, API Design, Maintainability, Systems Design, Solution Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, MySQL Workbench, MySQL, Relational Databases, SQL, Database Management, Data Manipulation, Data Migration, User Acceptance Testing (UAT), Scalability
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Real Time Data, Cloud Security, Cloud Management, Digital Transformation, Cloud Solutions, Serverless Computing, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Looker (Software), Public Cloud, Business Intelligence, Cloud Computing, Cost Management, Data Strategy, Data Transformation, Containerization, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Management, Cloud Security, Artificial Intelligence and Machine Learning (AI/ML), Google Cloud Platform, Digital Transformation, Real Time Data, Cloud Infrastructure, Data Strategy, Cloud Services, Site Reliability Engineering, Data Governance, Cloud Applications, Cost Management, Data Security, Hybrid Cloud Computing, Artificial Intelligence, Data Transformation, Application Programming Interface (API), Cloud Computing
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Data Collection, AWS SageMaker, Feature Engineering, Data Preprocessing, Amazon Web Services, Data Migration, Data Cleansing, Jupyter, Dimensionality Reduction, Machine Learning
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: No-Code Development, Application Design, Application Performance Management, Application Development, Authorization (Computing), Authentications, Application Lifecycle Management, Data Management, Restful API, Application Security, Scalability, Software Versioning, Automation, Data Security, Debugging, Data Validation
Intermediate · Course · 1 - 3 Months