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": "f3db5b23-46b7-4400-821b-c6e43252d063"
}
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": "4de6a6a4-1b13-4288-aeee-330b48002dd4",
"SubscriberId": "f2f6b0bd-1538-4a37-a33b-a5053a53c83d",
"Created": "2026-05-10T17:29:04.8411537+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"4de6a6a4-1b13-4288-aeee-330b48002dd4","SubscriberId":"f2f6b0bd-1538-4a37-a33b-a5053a53c83d","Created":"2026-05-10T17:29:04.8411537+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});