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Postman's official website states that Postman has a few dynamic variables. My question is about:
{{$guid}}: Adds a v4 style guid
What kind of variable is {{$guid}}? How can it be used in test scripts for API requests?
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We can use dynamic GUID in Postman. This can be utilized in the request URL, Body or Headers by simply adding the value {{$guid}}. It does not need any declaration or initialization. Thus {{$guid}} can be used directly in Postman without any requirement of prior processing of the variable.
GUID stands for Global Unique Identifier. A GUID is a 128-bit integer (16 bytes) that you can use across all computers and networks wherever a unique identifier is required.
A GUID (globally unique identifier) is a 128-bit text string that represents an identification (ID). Organizations generate GUIDs when a unique reference number is needed to identify information on a computer or network. A GUID can be used to ID hardware, software, accounts, documents and other items.
GUID is the acronym for "Globally Unique Identifier". A GUID is mainly used to produce hexadecimal digits with groups separated by hyphens for uniqueness purposes, for example:
b3d27f9b-d21d-327c-164e-7fb6776f87b0
In postman you can use this to generate and send a random GUID to your api as required:
{ "id": "{{$guid}}", } On Send would produce(with the random example above):
{ "id": "b3d27f9b-d21d-327c-164e-7fb6776f87b0", } If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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