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": "1ff08c22-719c-464a-a814-be378b68a2fa"
}
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": "4912fe93-28e6-497b-a7ac-2b6d638ed34d",
"SubscriberId": "aeab26e8-69c2-47d9-b42f-34b1d79dba8c",
"Created": "2026-03-23T11:58:08.3163341+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"4912fe93-28e6-497b-a7ac-2b6d638ed34d","SubscriberId":"aeab26e8-69c2-47d9-b42f-34b1d79dba8c","Created":"2026-03-23T11:58:08.3163341+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});