Question: How Do I Test REST API Performance?

How do I check my API performance?

Broadly speaking, API performance tests can be divided into two: functional and load tests.API Functional Tests.

API Load Tests.

Planning API Load Test Scenarios.

Load Tests.

Stress Tests.

Soak Tests.

Peak and Spike Tests.

Endpoint vs.More items…•.

What should I test for API?

9 Types of Tests For Holistic API TestingValidation Testing. Validation testing is one of the last steps in the development process, but it is one of the more important tests that can be run. … Functional Testing. … UI Testing. … Load Testing. … Runtime/Error Detection. … Security Testing. … Penetration Testing. … Fuzz Testing.More items…•

How many types of API testing are there?

Types of API testing Includes test case definition, execution, validation, and regression testing. Load testing – Validating functionality and performance under load, often by reusing functional test cases.

Is REST API slow?

If you’re concern is speed, then yes a Rest service will be slower for the reasons stated above. However, speed of the type you describe is rarely the primary concern and if it is, can be addressed in other ways. Premature optimisation is the root of all evil.

How do I test RESTful web services?

Functional Testing of REST Web ServicesExpand the Test account creation test suite and the accountcreation test case: … Double-click the Submit Account Details test step. … Click to send the request. … To validate the response in SoapUI, you use assertions. … Enter the content that the response message must contain:

How do I check my REST API response time?

The Response class in rest assured offers a method getTime() which will return the response time. The response time is returned in milliseconds. However for some reason if rest assured can’t get the response time, it returns -1.

What are the common API testing types?

Example: “API testing is a type of software testing that determines if the developed APIs are functional, reliable and secure. Some of the common API testing types are validation, security, UI, functional, load, penetration, runtime/error detection, fuzz and interoperability and WS Compliance.”

How do I improve my REST API performance?

In this post I would like to present a few tips to improve the performance of your Web API services.Use the fastest JSON serializer available. … Use compression techniques. … Use faster data access strategies. … Use caching. … Use asynchronous methods judiciously.

How does JMeter test REST API?

Rest API Testing With JMeter (Step by Step Guide)Handle Rest API Login using an Http POST Request,Extract Variables from a Json Response and reuse it later in the script,And verify Json responses using JMeter Json Assertion (introduced in JMeter 4).

What is acceptable response time for web applications?

A one-second response time is generally the maximum acceptable limit, as users still likely won’t notice a delay. Anything more than one second is problematic, and with a delay of around five or six seconds a user will typically leave the website or application entirely.

Can JMeter be used for API testing?

JMeter is a simple tool for automated API testing. Supports load testing. Supports stress testing. Generates test data. Open source tool.

What is REST IN REST API?

REST or RESTful API design (Representational State Transfer) is designed to take advantage of existing protocols. While REST can be used over nearly any protocol, it usually takes advantage of HTTP when used for Web APIs. … REST API Design was defined by Dr. Roy Fielding in his 2000 doctorate dissertation.

How do I optimize API calls?

Caching is very effective way of reducing the number of API call. So look for any data received from server which can be cached for certain duration. Note that caching would need more memory and hence make sure you are aware of its implication and accordingly decide the amount of data that needs to cached.

What is a good response time for API?

From this data, we can conclude that an average response time of ~250ms at up to 305rpm is the baseline performance for our API endpoint.

What is API response time?

Response time — Response time is the amount of time a system takes to react to a request once it has received one . For example, the time between the instant we execute an API and this API returns the result of its computation, that’s the response time.

How do I manually run API testing?

API Testing Best PracticesTest for the typical or expected results first.Add stress to the system through a series of API load tests.Test for failure. … Group test cases by test category.Prioritize API function calls so that it will be easy for testers to test quickly and easily.More items…

Can we do API testing using JMeter?

JMeter API Testing: Demo Apache JMeter is one of the most popular, open-source software for performance testing. In order to Perform API Testing in JMeter, you have to download and install the tool in your system.

How do I reduce REST API response time?

Five Ways to Reduce Server Response TimesCheck Your Hosting. Time spent waiting for your server to respond adds to your final page load times. … Choose Your Web Server Carefully. … Optimize Your Web Servers. … Reduce Bloat. … Optimize Your Database.