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Admin Tools

List Segments

GET
/api/v3/audience/segments

List your custom audience segments across all of your channels. At present, our API doesn’t include dynamic segments that Letterhead provides. Our v3 API requires a company-level API key.

api
string
Example
true

List Segments

Media type text/plain
Examples
Example List Segments
{
"items": [
{
"uniqueId": 1,
"channel": "black-bitter-coffee",
"name": "Testaroo",
"createdAt": "2025-07-24 01:28:39",
"updatedAt": "2025-11-15 03:00:31",
"criteria": [
{
"attribute": "tags",
"category": "tags",
"operator": "IN",
"value": [
"Staff"
]
},
{
"attribute": "tags",
"category": "tags",
"operator": "IN",
"value": [
"Border-collies"
]
},
{
"attribute": "age",
"category": "commonFields",
"operator": ">",
"value": "3"
}
],
"isOrBoolean": false
},
],
"message": "",
"total": 1
}
Alt-Svc
string
Example
h3=":443"; ma=2592000
Transfer-Encoding
string
Example
chunked
access-control-allow-credentials
string
Example
true
access-control-allow-origin
string
Example
*
access-control-max-age
string
Example
86400
cache-control
string
Example
no-cache, private
date
string
Example
Thu, 16 Apr 2026 19:04:43 GMT
server
string
Example
nginx/1.27.3
via
string
Example
1.1 google
x-powered-by
string
Example
PHP/7.4.33

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