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When using list (GET) endpoints in the Adobe Experience Platform Launch API, you may find it necessary to limit the returned results to a subset of records. To accomplish this, many of the API’s list endpoints support the ability to filter by specific attributes. If you wish to make structured queries to the API instead, see the guide on searching.

API format

To filter the response for a given list endpoint, you must supply a filter query parameter in the request path.


The syntax template below uses square bracket ([]) and space characters for readability. In practice, these characters must be URI-encoded, as outlined in RFC 3986. An example of a properly encoded request path is shown later in this guide.

Note that if the structure of your filters is incorrect, no filters will be applied and the full result set is returned.

Property Description
{ENDPOINT} A list endpoint in the Launch API that supports filter parameters.
{ATTRIBUTE_NAME} The name of a specific attribute to filter results by. Keep in mind that different endpoints support different attributes for filtering. Refer to the reference guide for the endpoint you are working with for a list of available filtering attributes.
{OPERATOR} The operator which determines how the results are evaluated against the provided {VALUE}. Supported operators are listed in the appendix.
{VALUE} The value to compare the returned results against. When comparing for equality using the EQ operator, the value must be an exact, case-sensitive match in order to be included in the response.


The example request below retrieves a list of of published libraries by applying a filter that requires the library’s state attribute to equal published.

Before URI encoding, the syntax for this filter in the request path would look similar to the following:[state]=EQ published

Once the path and query parameters have been URI-encoded, they can be used in API requests like the one below:

curl -X GET \ \
  -H 'Authorization: Bearer [TOKEN]' \
  -H 'x-api-key: [KEY]' \
  -H 'x-gw-ims-org-id: [ORG_ID]'

Filtering on multiple values

To filter by multiple values for a single attribute, supply the values as a comma-separated list.


Multiple filters

To apply filters for multiple attributes, supply a filter parameter for each attribute. Parameters must be separated by ampersand (&) characters.


If you specify the same attribute in multiple filters on the same request, then only the last provided filter for that attribute will be applied.


The following section contains additional information for working with filters in the Launch API.

Supported filter operators

The following table lists the supported operator values for filter parameters. Keep in mind that depending on the attribute you are filtering by, not all available filter operators will be applicable, such as using “less than” or “greater than” operators for string attributes.

Operator Description
EQ The attribute must equal the provided value.
NOT The attribute must not equal the provided value.
LT The attribute must be less than the provided value.
GT The attribute must be greater than the provided value.
BETWEEN The attribute must must fall within a specified range of values. When using this operator, two values must be provided to indicate the minimum and maximum values for the desired range.
CONTAINS The attribute must contain the provided value, such as a set of characters within a string attribute.