| Connected Account | The connected account to use for the request | Connected Account | Yes | |
| Contact name | Name of the contact | Text (Short) | Yes | |
| Email | Primary email address of the contact. If you want to associate additional email(s) with this contact, use the other_emails attribute | Email | No | |
| Address | Address of the contact | Text (Short) | No | |
| Company ID | ID of the primary company to which this contact belongs | Number | No | |
| Custom field name 1 | Custom Field's name | Text (Short) | No | |
| Custom field value 1 | Custom Field's values | Text (Long) | No | |
| Custom field name 2 | Custom Field's name | Text (Short) | No | |
| Custom field value 2 | Custom Field's values | Text (Long) | No | |
| Custom field name 3 | Custom Field's name | Text (Short) | No | |
| Custom field value 3 | Custom Field's values | Text (Long) | No | |
| Description | A small description of the contact | Text (Long) | No | |
| Job title | Job title of the contact | Text (Short) | No | |
| Language | Language of the contact. Default language is "en". This attribute can only be set if the Multiple Language feature is enabled (Garden plan and above) | Text (Short) | No | |
| Mobile | Mobile number of the contact | Text (Short) | No | |
| Other companies | Additional companies associated with the contact. This attribute can only be set if the Multiple Companies feature is enabled (Estate plan and above) | Text (Short) | No | |
| Other emails | Additional emails associated with the contact | Text (Short) | No | |
| Phone | Telephone number of the contact | Text (Short) | No | |
| Tags | Tags associated with this contact | Text (Short) | No | |
| Time zone | Time zone of the contact. Default value is the time zone of the domain. This attribute can only be set if the Multiple Time Zone feature is enabled (Garden plan and above) | Text (Short) | No | |
| Twitter ID | Twitter handle of the contact | Text (Short) | No | |
| Unique external ID | External ID of the contact | Text (Short) | No | |
| View all tickets? | Whether the contact can see all the tickets that are associated with the company to which they belong | True/False | No | |