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": "f8bb8252-8896-4fc4-a0c8-238b53b9e1ff"
}
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": "a6f926b8-c187-4cfc-9182-a8fe07cfa302",
"SubscriberId": "c74bff38-f4d1-491d-9cf0-8d36505ffc1b",
"Created": "2026-10-05T17:45:43.616733+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"a6f926b8-c187-4cfc-9182-a8fe07cfa302","SubscriberId":"c74bff38-f4d1-491d-9cf0-8d36505ffc1b","Created":"2026-10-05T17:45:43.616733+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});