POST v3/lists/{listId}/subscribers
https://api.questline.com/v3/lists/{listId}/subscribers
Adds a subscriber to a list.
Request Information
URI Parameters
| Name | Description | Type | Additional Info |
|---|---|---|---|
| listId | The ID of the list. | globally unique identifier | Required |
Body Parameters
The request body.
PostListSubscriberRequestV3| Name | Description | Type | Additional Info |
|---|---|---|---|
| SubscriberId | The ID of the subscriber. | globally unique identifier | None. |
Request Formats
application/json, text/json
Sample:
{
"SubscriberId": "5fecf7e3-e17e-4d98-b2bf-d3d06b251a4f"
}
Response Information
Resource Description
PostListSubscriberResponseV3| Name | Description | Type | Additional Info |
|---|---|---|---|
| ListSubscriber | The list subscriber. | ListSubscriberV3 | None. |
| Error | The response error, if any. | ResponseErrorV3 | None. |
Response Formats
application/json, text/json
Sample:
{
"ListSubscriber": {
"ListId": "674d028e-4e8c-47de-857d-abbfad02a721",
"SubscriberId": "ef3fac88-c53e-43f8-9b39-5d2b2d8ba007",
"Created": "2026-05-07T16:44:59.8795093+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"674d028e-4e8c-47de-857d-abbfad02a721","SubscriberId":"ef3fac88-c53e-43f8-9b39-5d2b2d8ba007","Created":"2026-05-07T16:44:59.8795093+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});