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": "65e436d5-f038-42d7-95fd-aa8866fb2bf4"
}
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": "91fe1f52-4a51-489e-abb8-7d20e660cf39",
"SubscriberId": "7ad4d0a7-a57c-4a34-9566-0b132d79194b",
"Created": "2026-01-17T23:11:50.98051+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"91fe1f52-4a51-489e-abb8-7d20e660cf39","SubscriberId":"7ad4d0a7-a57c-4a34-9566-0b132d79194b","Created":"2026-01-17T23:11:50.98051+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});