| Connected Account | The connected account to use for the request | Connected Account | Yes | |
| Account ID | | Text (Short) | Yes | |
| Project ID | The ID of the project want to update | Text (Short) | Yes | |
| Bill by | The method by which the project is invoiced | Predefined Choice List | No | |
| Budget | The budget in hours for the project when budgeting by time | Text (Short) | No | |
| Budget by | The email of the user or "none" | Text (Short) | No | |
| Budget is monthly? | Whether to have the budget reset every month. Defaults to false | True/False | No | |
| Client ID | The ID of the client to associate this project with | Text (Short) | No | |
| Cost budget | The monetary budget for the project when budgeting by money | Text (Short) | No | |
| Cost budget include expenses? | Option for budget of Total Project Fees projects to include tracked expenses. Defaults to false | True/False | No | |
| Ends on | Date the project will end | Date | No | |
| Fee | The amount you plan to invoice for the project. Only used by fixed-fee projects | Text (Short) | No | |
| Hourly rate | Rate for projects billed by Project Hourly Rate | Text (Short) | No | |
| Is active? | Whether the project is active or archived. Defaults to true | True/False | No | |
| Is billable? | Whether the project is billable or not | True/False | No | |
| Is fixed fee? | Whether the project is a fixed-fee project or not | True/False | No | |
| Name | The name of the project | Text (Short) | No | |
| Notes | Notes about the project | Text (Long) | No | |
| Notify when over budget? | Whether project managers should be notified when the project goes over budget. Defaults to false | True/False | No | |
| Over budget notification percentage | Percentage value used to trigger over budget email alerts. Example: use 10.0 for 10.0% | Text (Short) | No | |
| Show budget to all? | Whether to show project budget to all employees. Does not apply to Total Project Fee projects. Defaults to false | True/False | No | |
| Starts on | Date the project was started | Date | No | |