Bugs / Problems

"Get" argument for API call: is there a length limitation?

I have an API request where the get argument that works is "P0030001,P0030002,P0030003,P0030004". However, I wanted to get all available names in that concept, which in total is a list of 8 elements "P0030001,P0030002,P0030003,...P0030008".

This request fails with error "unknown variable 'P0030005,P0030006,P0030007,P0030008"

Is there a limit on the length for the GET argument?


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  1. Comment
    ( Moderator )

    Yes. There is a currently a limitation of four (4) variables to be retrieved per request. To get your eight variables, you can make two requests.

  2. Comment
    Phillip Thomas

    Is there a way to "sticky" this to the top of the page, so that it is found easier by others having the same problem?

  3. Comment

    I immediately ran into the same problem, when trying to grab the population of an area by age and sex (23 age groups x 2 sexes = 46 variables).

    This limitation should probably be documented.

  4. Comment
    Lisa W
    ( Moderator )

    Thanks. I'll add this to the documentation on the site.

  5. Comment
    Sam Ennis

    Are there any plans to increase the limit in the near future?

  6. Comment
    Phillip Thomas

    We are looking into increasing the limit, when we do we will let all of the developers know via the website and a post here.

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