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Saturday 28 October 2023

Difference between query parameters and URI parameters in MuleSoft

 

 

Difference between query parameters and URI parameters in MuleSoft



Query parameters

·         Appended to the end of the endpoint URL, after a question mark (?)

·         Typically used to pass optional parameters to an endpoint

·         Examples:

o    /api/users?name=John&age=30

o    /api/products?search=book&category=fiction

·         Accessed using the queryParam expression in MuleSoft

URI parameters

·         Embedded in the endpoint URL, surrounded by curly braces ({})

·         Typically used to pass required parameters to an endpoint

·         Examples:

o    /api/users/{id}

o    /api/products/{product_id}

·         Accessed using the pathParam expression in MuleSoft




Feature

Query parameters

URI parameters

Location

Appended to the end of the endpoint URL

Embedded in the endpoint URL

Purpose

Typically used to pass optional parameters to an endpoint

Typically used to pass required parameters to an endpoint

Examples

/api/users?name=John&age=30, /api/products?search=book&category=fiction

/api/users/{id}, /api/products/{product_id}

Access in MuleSoft

Accessed using the queryParam expression

Accessed using the pathParam expression

When to use query parameters

·         To pass optional parameters to an endpoint

·         To pass a large number of parameters to an endpoint

·         To make your code more readable and maintainable

When to use URI parameters

·         To pass required parameters to an endpoint

·         To make your endpoint URL more specific and descriptive

·         To improve the performance of your API

Note: You can also use both query parameters and URI parameters in the same endpoint URL. For example:

 

GET /api/users/{id}?name={name}


This endpoint URL accepts both the id and name parameters. The id parameter is required, and the name parameter is optional.

Conclusion

Query parameters and URI parameters are both powerful tools for passing data to API endpoints. The best way to decide which type of parameter to use is to consider the specific needs of your API.

 

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