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For a REST interface:
What is the best way to allow the client to set many equally named parameters in a GET?
For example if the client should specify multiple possible colors
www.example.com/products/{color=green|color=yellow|color=white| ...}
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The HTTP protocol does not limit the size of GET requests, but each browser and server have a data transfer limit. It is recommended to use an average of 512-1024 Kb or a maximum of 5 parameters to create one request.
To send query parameters in a GET request in JavaScript, we can pass a list of search query parameters using the URLSearchParams API.
A URL can have several path parameters, each denoted with curly braces { } . Each path parameter must be substituted with an actual value when the client makes an API call. In OpenAPI, a path parameter is defined using in: path . The parameter name must be the same as specified in the path.
Something like this would be fine:
GET http://www.example.com/products?colors=green,yellow,white
Despite popular opinion, there is no REST constraint that says you should not use query string parameters.
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