How to automate api using jmeter and how to write assertions for output

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Accepted Answer

Automating API using JMeter and writing assertions for output

Record API requests using JMeter's HTTP(S) Test Script Recorder
Add assertions to verify response data, status codes, headers, etc.
Use JMeter's built-in assertions like Response Assertion, JSON Assertion, etc.
Write custom assertions using JMeter functions or scripting languages like Groovy
Run the test plan and analyze the results to ensure the API is functioning correctly

Accepted Answer

Here's an overview of automating APIs with JMeter and writing assertions for output:

Create a test plan: Right click on the Test Plan element in the tree, and select Add > Threads (Users) > Thread Group.

Craft the API test script: Define HTTP requests, input API calls, and set up virtual users.

Configure response times and output: Configure expected output and response times.

Add assertions: Use assertions to validate response data.

Utilize timers: Introduce delays between requests using timers.

Incorporate logic controllers: Create complex test scenarios using logic controllers.

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