About Certraining

  • Home
  • About us

API Automation Specialist (CST-API™)

  • Home
  • API Automation Specialist (CST-API™)

API Automation Specialist (CST-API™)

The CST-API™ (API Automation Specialist) is a certification that confirms the candidates' abilities to automate both functional and non-functional API testing. The main aim is for the QA engineers, automation specialists, and developers who are the ones to be held responsible for the API reliability and performance to obtain it. The credentials examine real-world knowledge of RESTful services, SOAP, and other emerging standards such as GraphQL. The candidates provide the proof of their strong technical skills through the successful implementation of request-response validation, schema verification, and data-driven automation.

The test is concentrated on creating sustainable automation frameworks, their compatibility with CI/CD pipelines, and the use of all the features, like authentication, authorization, error handling, and mock services, that are at an advanced level. The CST-API™ is a certification that provides professionals with the competency to implement the automation that will lead to the release of new versions being faster while at the same time keeping the security and reliability of the delivery of services to the distributed systems.



Price $ 129
Download Syllabus
Related Exam Details Domains & Weightage Career Opportunities Support FAQs

Objectives

  • REST, SOAP, and GraphQL API test cases are automatable.
  • Check the status codes, headers, and data of the requests and responses.
  • Control the authentication via JWT, API keys, OAuth 2.0, and Basic Auth.
  • TestNG, JUnit, or similar testing libraries are used to create design frameworks.
  • Combine automation with CI/CD solutions like GitHub Actions or Jenkins.
  • Put service virtualization, stubbing, and mocking to use.
  • Examine the error robustness, dependability, and performance of the API.

Exam Information

Sr.No Field Details
1 Exam Code CST-API™
2 Exam Format Multiple-choice + scenario-based questions
3 Duration 120 minutes
4 Number of Questions 60
5 Passing Score 65%
6 Exam Type Closed-book
7 Language English
8 Validity Lifetime

Domains & Weightage

  • API Fundamentals & Architecture — 15%
  • API Test Design & Strategy — 20%
  • Automation Tools & Frameworks — 20%
  • CI/CD & Integration — 15%
  • API Security & Compliance — 15%
  • Performance & Reliability Testing — 10%
  • Reporting & Analytics — 5%

Who Should Take The CST-API™ Exam?

  • QA automation engineers focusing on API validation.
  • Developers responsible for service integration and testing.
  • DevOps professionals embedding API tests in CI/CD.
  • Test consultants designing scalable test strategies.
  • Professionals pursuing advanced test architect roles.

How CST-API™ Certification Helps In Career Growth?

One of the main communication methods between different software services in modern software systems is APIs. Unreliable APIs can cause a chain of failures, leading to the breaking of the whole application. CST-API™ is an example that API professionals can test APIs under both functional and non-functional scenarios.

Employers are looking for testers who can provide the stability of the microservices, cloud platforms, and distributed systems. Certified professionals show they are able to manage complex workflows, implement secure authentication as well as perform error recovery.

This certificate is proof of the capability to use automated API testing as part of a continuous delivery pipeline. That, on one hand, results in fewer defects in production and, on the other hand, release cycles become shorter.

The CST-API™ is a factor that adds value to the professional's profile. It is a sign of having a thorough knowledge of advanced technical topics and the ability to be in charge of the automation frameworks that are the source of the reliability of the enterprises' services.

Career Opportunities After Earning The CST-API™ Certificate

  • API Automation Engineer – The person who creates and executes the automated test scripts for APIs to check the functionality, performance, and stability of the back-end services. Works in tandem with the developers to resolve the integration problems. Thus, the communication between applications and third-party systems result in a smooth exchange of data.
  • Test Automation Consultant – The one who advises the companies on tool selection, setting up the framework and its characteristics, and following the API automation best practices as part of the overall organization’s strategy. Reviews current processes for efficiency and coverage. Be the navigator that embarks the team on the voyage to test strategies suitable for the manageable growth of complex environments.
  • QA Lead (API and Services Focus) – The person who manages teams dealing with API quality and testing at the service level. Prep testing plans, confirm automation standards, and ensure business requirements compliance. Tracks defect monitoring and facilitates the continual enhancement of testing.
  • DevOps QA Specialist – Is an API tester who is responsible for the implementation of API testing in CI/CD pipelines and maintaining quality in rapid deployments. Automates regression and performance tests and, therefore, has issues early. This person is a bridge that connects development, operations, and QA thus, allowing for smooth releases.
  • Test Architect – Is a person who takes the lead and is responsible for designing and implementing the large enterprise-level test automation frameworks for API ecosystems that are large. Sets up guidelines for architecture, measures performance by setting up benchmarks, and also develops reusable components. He/she make sure that the testing strategy is long-term, scalable, and flexible to business needs that change over time.

Resource & Support

Join Thousand of Professionals who have advanced their careers with our certifications

Schedule Now Contact Us

FAQs

Ans. The protocols that are covered in CST-API™ are REST, SOAP, and GraphQL. Candidates perform several operations as request handling, response validation, and schema verification, on these services.

Ans. Definitely. The security testing comprises OAuth 2.0, JWT, Basic Auth, and API key management. Candidates work on the service security validation part.

Ans. Some of the common tools that are used to prepare for this exam are RestAssured, Postman, Newman, and JUnit/TestNG. The exam is mainly about the framework design and its maintainability.

Ans. Yes. The candidates are required to demonstrate the API automation that is integrated into the pipeline with the help of Jenkins, GitHub Actions, or any other CI/CD tools.

Ans. Yes. The test covers knowledge of rate limiting, error resilience, and performance monitoring with the help of suitable tools and techniques.

Ans. The most career growth component is the professionals from the field of Automation Engineering, Developers, and DevOps who work on the API and want to showcase their advanced skills in API Testing.