POST v3/lists/{listId}/subscribers
https://api-test.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": "2deefe40-5ba6-4c2b-8ab9-eb858e770b75"
}
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": "81144fd3-609e-40aa-ad84-833dcf55490d",
"SubscriberId": "e2070af6-a8c2-4110-9d85-2729882ba2b9",
"Created": "2026-05-16T13:13:22.7265836+00:00"
},
"Error": {
"ErrorId": 1,
"ErrorMessage": "sample string 1"
}
}
text/javascript, application/javascript, application/json-p
Sample:
/**/ typeof === 'function' && ({"ListSubscriber":{"ListId":"81144fd3-609e-40aa-ad84-833dcf55490d","SubscriberId":"e2070af6-a8c2-4110-9d85-2729882ba2b9","Created":"2026-05-16T13:13:22.7265836+00:00"},"Error":{"ErrorId":1,"ErrorMessage":"sample string 1"}});