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API Keys | Terms of Use

fred/category/related

Description

Get the related categories for a category. A related category is a one-way relation between 2 categories that is not part of a parent-child category hierarchy. Most categories do not have related categories.

Examples

This request can return either XML or JSON by setting the file_type parameter to xml or json. Note that the default value of file_type is xml. The API key 'abcdefghijklmnopqrstuvwxyz123456' is for demonstration purposes only. Use a registered API key instead.

XML

Request (HTTPS GET)

https://api.stlouisfed.org/fred/category/related?category_id=32073&api_key=abcdefghijklmnopqrstuvwxyz123456

Response

<?xml version="1.0" encoding="utf-8" ?>
<categories>
  <category id="149" name="Arkansas" parent_id="27281"/>
  <category id="150" name="Illinois" parent_id="27281"/>
  <category id="151" name="Indiana" parent_id="27281"/>
  <category id="152" name="Kentucky" parent_id="27281"/>
  <category id="153" name="Mississippi" parent_id="27281"/>
  <category id="154" name="Missouri" parent_id="27281"/>
  <category id="193" name="Tennessee" parent_id="27281"/>
</categories>

The category tag's notes attribute is optional.

Category ID 32073 has the parent-child category hierarchy:

Categories > Regional Data > Federal Reserve Districts > St. Louis > States in District

This category uses a related category to link to category ID 154 'Missouri' with hierarchy:

Categories > Regional Data > States > Missouri

JSON

Request (HTTPS GET)

https://api.stlouisfed.org/fred/category/related?category_id=32073&api_key=abcdefghijklmnopqrstuvwxyz123456&file_type=json

Response

{
    "categories": [
        {
            "id": 149,
            "name": "Arkansas",
            "parent_id": 27281
        },
        {
            "id": 150,
            "name": "Illinois",
            "parent_id": 27281
        },
        {
            "id": 151,
            "name": "Indiana",
            "parent_id": 27281
        },
        {
            "id": 152,
            "name": "Kentucky",
            "parent_id": 27281
        },
        {
            "id": 153,
            "name": "Mississippi",
            "parent_id": 27281
        },
        {
            "id": 154,
            "name": "Missouri",
            "parent_id": 27281
        },
        {
            "id": 193,
            "name": "Tennessee",
            "parent_id": 27281
        }
    ]
}

Parameters

api_key

Read API Keys for more information.

  • 32 character alpha-numeric lowercase string, required

file_type

A key or file extension that indicates the type of file to send.

  • string, optional, default: xml
  • One of the following values: 'xml', 'json'

    xml = Extensible Markup Language. The HTTP Content-Type is text/xml.
    json = JavaScript Object Notation. The HTTP Content-Type is application/json.

category_id

The id for a category.

  • integer, required

realtime_start

The start of the real-time period. For more information, see Real-Time Periods.

  • YYYY-MM-DD formatted string, optional, default: today's date

realtime_end

The end of the real-time period. For more information, see Real-Time Periods.

  • YYYY-MM-DD formatted string, optional, default: today's date

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