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": "d6069023-21d3-42b2-b0e0-4b7295ebb480"
}
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": "316a6f74-bcc8-44fa-a4d2-1d93d34561a9",
"SubscriberId": "801a15f1-0909-491b-a50d-670df6ea16dd",
"Created": "2026-10-11T18:20:07.2664997+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"316a6f74-bcc8-44fa-a4d2-1d93d34561a9","SubscriberId":"801a15f1-0909-491b-a50d-670df6ea16dd","Created":"2026-10-11T18:20:07.2664997+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});