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A given eBay marketplace might use multiple category trees, but one of those trees is considered to be the default for that marketplace. This call retrieves a reference to the default category tree associated with the specified eBay marketplace ID. The response includes only the tree's unique identifier and version, which you can use to retrieve more details about the tree, its structure, and its individual category nodes.


Resource URI


This method is supported in Sandbox environment. To access the endpoint, just replace the root URI with

URI parameters

marketplace_idstringThe unique identifier of the eBay marketplace for which the category tree ID is requested. For a list of supported marketplace IDs, see Marketplaces with Default Category Trees.

Occurrence: Required

HTTP request headers

All requests made to eBay REST operations require you to provide the Authorization HTTP header for authentication authorization.

All other standard RESTful request headers are optional. For more information on standard RESTful request headers, see the HTTP request headers- opens rest request components page table.

OAuth scope

This request requires an access token created with the client credentials grant flow, using one or more scopes from the following list (please check your Application Keys page for a list of OAuth scopes available to your application):

See OAuth access tokens for more information.

Request payload

This call has no payload.

Request fields

This call has no field definitions.


HTTP response headers

This call has no response headers.

Response payload

Response fields

Output container/fieldTypeDescription

The unique identifier of the eBay category tree for the specified marketplace.

Occurrence: Always


The version of the category tree identified by categoryTreeId. It's a good idea to cache this value for comparison so you can determine if this category tree has been modified in subsequent calls.

Occurrence: Always

HTTP status codes

This call can return one of the following HTTP status codes. For an overview of the status codes, see HTTP status codes in Using eBay RESTful APIs.

204No content
400Bad Request
500Internal Server Error

Error codes

For more on errors, plus the codes of other common errors, see Handling errors.

62000API_TAXONOMYAPPLICATIONThere was a problem with an eBay internal system or process. Contact eBay developer support for assistance.
62002API_TAXONOMYREQUESTMissing marketplace ID.
62003API_TAXONOMYREQUESTThe specified marketplace ID was not found.


This call has no warnings.


New to making API calls? Please see Making a Call.

Note: Identifiers, such as order IDs or user IDs, and personal data in these samples might be anonymized or may no longer be active on eBay. If necessary, substitute current, relevant eBay data in your requests.

Sample 1: Get a default category tree ID

This sample identifies the eBay category tree that is used by default by a given eBay marketplace.


Use the marketplace_id query parameter to specify the eBay marketplace for which to retrieve the category tree ID. For a list of supported marketplaces and their IDs, see Marketplaces with Default Category Trees.



A successful call returns the category tree's ID and version.