| Connected account | The connected account to use for the request | Connected Account | Yes | |
| List ID | | Text (Short) | Yes | |
| Email | Email address of the subscriber | Email | Yes | |
| Email type | Type of email this member asked to get | Predefined Choice List | No | |
| Intrest group 1 category ID | | Text (Short) | No | |
| Intrest group 1 category field ID | | Text (Short) | No | |
| Intrest group 1 value? | | True/False | No | |
| Intrest group 2 category ID | | Text (Short) | No | |
| Intrest group 2 category field ID | | Text (Short) | No | |
| Intrest group 2 value? | | True/False | No | |
| Intrest group 3 category ID | | Text (Short) | No | |
| Intrest group 3 category field ID | | Text (Short) | No | |
| Intrest group 3 value? | | True/False | No | |
| Language | If set/detected, the subscriber's language | Text (Short) | No | |
| Merge field 1 ID | Merge Field name | Text (Short) | No | |
| Merge field 1 value | Merge field value | Text (Short) | No | |
| Merge field 2 ID | Merge Field name | Text (Short) | No | |
| Merge field 2 value | Merge field value | Text (Short) | No | |
| Merge field 3 ID | Merge Field name | Text (Short) | No | |
| Merge field 3 value | Merge field value | Text (Short) | No | |
| Opt-in IP | The IP address the subscriber used to confirm their opt-in status | Text (Short) | No | |
| Signup IP | IP address the subscriber signed up from | Text (Short) | No | |
| Signup timestamp | The date and time the subscriber signed up for the list in ISO 8601 format | Datetime | No | |
| Skip merge validation? | Whether member data will be accepted without merge field values, even if the merge field is usually required | True/False | No | |
| Status | Subscriber's current status | Predefined Choice List | No | |
| VIP? | VIP status for subscribers | True/False | No | |
| Latitude | The location latitude | Text (Short) | No | |
| Longitude | The location longitude | Text (Short) | No | |
| Opt-in timestamp | The date and time the subscribe confirmed their opt-in status in ISO 8601 format | Datetime | No | |