| List Accounts | Read | List all Harvest accounts the authenticated user can access. Call this first to get your Harvest-Account-Id for subsequent API calls. |
| Get Current User | Read | Get the authenticated user’s Harvest profile (id, name, email, timezone, roles) |
| List Users | Read | List all active users in the Harvest account |
| List Time Entries | Read | List time entries (timesheets). Filter by user, project, client, or date range. |
| Get Time Entry | Read | Get details of a specific time entry by ID |
| Create Time Entry | Write | Create a new time entry (timesheet). Provide either hours or start/end times. |
| Update Time Entry | Write | Update an existing time entry |
| Delete Time Entry | Write | Delete a time entry. Only unlocked, non-billed entries can be deleted. |
| Stop Timer | Write | Stop a running timer for a time entry |
| Restart Timer | Write | Restart a stopped timer for a time entry |
| List Projects | Read | List all projects in the Harvest account |
| Get Project | Read | Get details of a specific project |
| List Tasks | Read | List all tasks available in the Harvest account |
| List Project Task Assignments | Read | List all task assignments for a specific project (tasks billable to this project) |
| List Clients | Read | List all clients in the Harvest account |
| Get Client | Read | Get details of a specific client |
| List Invoices | Read | List all invoices. Filter by client, status, or date range. |
| Get Invoice | Read | Get details of a specific invoice including line items |
| Create Invoice | Write | Create a new invoice for a client |
| Update Invoice | Write | Update an existing invoice (subject, notes, dates, line items, state) |
| List Invoice Payments | Read | List all payments recorded for an invoice |
| Create Invoice Payment | Write | Record a payment for an invoice |
| Time Report by Project | Read | Get a time report aggregated by project. Requires from and to date range. |
| Time Report by Team | Read | Get a time report aggregated by team member. Requires from and to date range. |
| Time Report by Client | Read | Get a time report aggregated by client. Requires from and to date range. |
| Time Report by Task | Read | Get a time report aggregated by task. Requires from and to date range. |
| Invoice Report | Read | Get an invoiced time and expenses report. Requires from and to date range. |
