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": "fe6c99cf-3af5-4166-98c7-5b5a4b786a3a"
}
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": "7ea31b18-f55d-4437-af91-fbecb5ae8663",
"SubscriberId": "a6d79b91-9b16-46a4-9960-bb2096b9bfd6",
"Created": "2026-09-02T00:52:56.8496073+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"7ea31b18-f55d-4437-af91-fbecb5ae8663","SubscriberId":"a6d79b91-9b16-46a4-9960-bb2096b9bfd6","Created":"2026-09-02T00:52:56.8496073+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});