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GET
/
custom-fields
/
fieldName
/
{customFieldName}
curl --request GET \
  --url https://api.autosend.com/v1/custom-fields/fieldName/planTier \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "Custom field retrieved successfully",
  "data": {
    "id": "69c258bae3e715c0521153fb",
    "fieldName": "isVerified",
    "fieldType": "boolean",
    "createdAt": "2026-03-24T09:26:18.826Z",
    "updatedAt": "2026-03-24T09:26:18.826Z"
  }
}
Deprecated. Custom fields are now called contact properties. This /custom-fields endpoint still works as an alias, but new integrations should use Get Contact Property by Name.
curl --request GET \
  --url https://api.autosend.com/v1/custom-fields/fieldName/planTier \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "Custom field retrieved successfully",
  "data": {
    "id": "69c258bae3e715c0521153fb",
    "fieldName": "isVerified",
    "fieldType": "boolean",
    "createdAt": "2026-03-24T09:26:18.826Z",
    "updatedAt": "2026-03-24T09:26:18.826Z"
  }
}

​
Authorizations

​
Authorizations
string | header
required
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

​
Path Parameters

​
customFieldName
string
required
The fieldName of the custom field to retrieve.

​
Response

Custom field retrieved successfully
​
success
boolean
Indicates whether the request was successful.
​
message
string
Confirmation message.Example: "Custom field retrieved successfully"
​
data
object
The custom field object.