How to retrieve the response value of the previous API in JMeter?

2 years ago
Noah Thompson
1 minute

In JMeter, you can retrieve the response value of the previous interface by using either the Regular Expression Extractor or JSON Extractor.

Utilize regular expression extractor:

  1. Add a regular expression extractor to the previous interface in the test plan.
  2. Enter a unique variable name in the “name” field of the extractor to store the extracted value.
  3. Enter a regular expression in the “Regular Expression” field that matches the value you want to extract.
  4. Enter a template in the “Template” field to define how to extract values from the matched text.
  5. ${variableName}

Utilizing a JSON parser:

  1. Add a JSON extractor to the previous interface in the test plan.
  2. Enter a unique variable name in the “variable name” field of the extractor to store the extracted value.
  3. Enter a JSON path expression in the “JSON Path Expression” field that matches the value you want to extract.
  4. The name of the variable is ${variable name}

Whether you are using a regular expression extractor or a JSON extractor, it is necessary to ensure that the value you want to extract is indeed contained in the response of the previous interface, and that the extractor is configured correctly.

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