Harvest Time Reporting

Integrate with the Harvest API to manage time entries, projects, tasks, clients, and user assignments for detailed time tracking and reporting.

zachgodsell93@zachgodsell93

Install

openclaw skills install @zachgodsell93/harvest-time-reporting-api

Harvest API

Description

Integration with Harvest time tracking software (API v2).

Setup

Environment Variables

HARVEST_ACCESS_TOKEN - Get from https://id.getharvest.com/developers
HARVEST_ACCOUNT_ID - Your Harvest account ID

Authentication

All requests require these headers:

text

Authorization: Bearer $HARVEST_ACCESS_TOKEN
Harvest-Account-Id: $HARVEST_ACCOUNT_ID
User-Agent: YourApp (your@email.com)

API Reference

Base URL: https://api.harvestapp.com/v2

Time Entries

List Time Entries

bash

curl "https://api.harvestapp.com/v2/time_entries" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: user_id, client_id, project_id, task_id, external_reference_id, is_billed, is_running, updated_since, from, to, page, per_page

Create Time Entry (duration)

bash

curl "https://api.harvestapp.com/v2/time_entries" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"project_id":12345,"task_id":67890,"spent_date":"2024-01-15","hours":2.5}'

Create Time Entry (start/end time)

bash

curl "https://api.harvestapp.com/v2/time_entries" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"project_id":12345,"task_id":67890,"spent_date":"2024-01-15","started_time":"9:00am","ended_time":"11:30am"}'

Get Time Entry

bash

curl "https://api.harvestapp.com/v2/time_entries/{TIME_ENTRY_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Update Time Entry

bash

curl "https://api.harvestapp.com/v2/time_entries/{TIME_ENTRY_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"hours":3.0,"notes":"Updated notes"}'

Delete Time Entry

bash

curl "https://api.harvestapp.com/v2/time_entries/{TIME_ENTRY_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Restart a Stopped Timer

bash

curl "https://api.harvestapp.com/v2/time_entries/{TIME_ENTRY_ID}/restart" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X PATCH

Stop a Running Timer

bash

curl "https://api.harvestapp.com/v2/time_entries/{TIME_ENTRY_ID}/stop" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X PATCH

Projects

List Projects

bash

curl "https://api.harvestapp.com/v2/projects" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: is_active, client_id, updated_since, page, per_page

Get Project

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Project

bash

curl "https://api.harvestapp.com/v2/projects" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"client_id":12345,"name":"New Project","is_billable":true,"bill_by":"Project","budget_by":"project"}'

Update Project

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"name":"Updated Project Name"}'

Delete Project

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Project User Assignments

List User Assignments for Project

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}/user_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create User Assignment

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}/user_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"user_id":12345}'

Project Task Assignments

List Task Assignments for Project

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}/task_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Task Assignment

bash

curl "https://api.harvestapp.com/v2/projects/{PROJECT_ID}/task_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"task_id":12345}'

Tasks

List Tasks

bash

curl "https://api.harvestapp.com/v2/tasks" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: is_active, updated_since, page, per_page

Get Task

bash

curl "https://api.harvestapp.com/v2/tasks/{TASK_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Task

bash

curl "https://api.harvestapp.com/v2/tasks" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"name":"New Task","default_hourly_rate":100.0}'

Update Task

bash

curl "https://api.harvestapp.com/v2/tasks/{TASK_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"name":"Updated Task Name"}'

Delete Task

bash

curl "https://api.harvestapp.com/v2/tasks/{TASK_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Clients

List Clients

bash

curl "https://api.harvestapp.com/v2/clients" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: is_active, updated_since, page, per_page

Get Client

bash

curl "https://api.harvestapp.com/v2/clients/{CLIENT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Client

bash

curl "https://api.harvestapp.com/v2/clients" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"name":"New Client","currency":"USD"}'

Update Client

bash

curl "https://api.harvestapp.com/v2/clients/{CLIENT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"name":"Updated Client Name"}'

Delete Client

bash

curl "https://api.harvestapp.com/v2/clients/{CLIENT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Contacts

List Contacts

bash

curl "https://api.harvestapp.com/v2/contacts" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: client_id, updated_since, page, per_page

Get Contact

bash

curl "https://api.harvestapp.com/v2/contacts/{CONTACT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Contact

bash

curl "https://api.harvestapp.com/v2/contacts" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"client_id":12345,"first_name":"John","last_name":"Doe","email":"john@example.com"}'

Update Contact

bash

curl "https://api.harvestapp.com/v2/contacts/{CONTACT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"email":"newemail@example.com"}'

Delete Contact

bash

curl "https://api.harvestapp.com/v2/contacts/{CONTACT_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Users

List Users

bash

curl "https://api.harvestapp.com/v2/users" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: is_active, updated_since, page, per_page

Get Current User

bash

curl "https://api.harvestapp.com/v2/users/me" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Get User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create User

bash

curl "https://api.harvestapp.com/v2/users" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"first_name":"Jane","last_name":"Doe","email":"jane@example.com"}'

Update User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"first_name":"Janet"}'

Delete User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

User Project Assignments

List Project Assignments for Current User

bash

curl "https://api.harvestapp.com/v2/users/me/project_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

List Project Assignments for User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}/project_assignments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Billable Rates

List Billable Rates for User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}/billable_rates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Billable Rate

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}/billable_rates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"amount":150.0,"start_date":"2024-01-01"}'

Cost Rates

List Cost Rates for User

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}/cost_rates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Cost Rate

bash

curl "https://api.harvestapp.com/v2/users/{USER_ID}/cost_rates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"amount":75.0,"start_date":"2024-01-01"}'

Invoices

List Invoices

bash

curl "https://api.harvestapp.com/v2/invoices" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: client_id, project_id, updated_since, from, to, state, page, per_page

Get Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Invoice

bash

curl "https://api.harvestapp.com/v2/invoices" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"client_id":12345,"subject":"Invoice for January","due_date":"2024-02-15","line_items":[{"kind":"Service","description":"Consulting","unit_price":150,"quantity":10}]}'

Update Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"subject":"Updated Invoice Subject"}'

Delete Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Invoice Line Items

Create Invoice Line Item

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}/line_items" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"line_items":[{"kind":"Service","description":"Additional work","unit_price":100,"quantity":5}]}'

Invoice Payments

List Payments for Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}/payments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Payment

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}/payments" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"amount":500.0,"paid_at":"2024-01-20T00:00:00Z"}'

Invoice Messages

List Messages for Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}/messages" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Send Invoice

bash

curl "https://api.harvestapp.com/v2/invoices/{INVOICE_ID}/messages" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"recipients":[{"email":"client@example.com"}],"subject":"Invoice #123","body":"Please find attached invoice."}'

Invoice Item Categories

List Invoice Item Categories

bash

curl "https://api.harvestapp.com/v2/invoice_item_categories" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Estimates

List Estimates

bash

curl "https://api.harvestapp.com/v2/estimates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: client_id, updated_since, from, to, state, page, per_page

Get Estimate

bash

curl "https://api.harvestapp.com/v2/estimates/{ESTIMATE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Estimate

bash

curl "https://api.harvestapp.com/v2/estimates" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"client_id":12345,"subject":"Project Estimate","line_items":[{"kind":"Service","description":"Development","unit_price":150,"quantity":40}]}'

Expenses

List Expenses

bash

curl "https://api.harvestapp.com/v2/expenses" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: user_id, client_id, project_id, is_billed, updated_since, from, to, page, per_page

Get Expense

bash

curl "https://api.harvestapp.com/v2/expenses/{EXPENSE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Expense

bash

curl "https://api.harvestapp.com/v2/expenses" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"project_id":12345,"expense_category_id":67890,"spent_date":"2024-01-15","total_cost":50.00,"notes":"Office supplies"}'

Update Expense

bash

curl "https://api.harvestapp.com/v2/expenses/{EXPENSE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"notes":"Updated expense notes"}'

Delete Expense

bash

curl "https://api.harvestapp.com/v2/expenses/{EXPENSE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -X DELETE

Expense Categories

List Expense Categories

bash

curl "https://api.harvestapp.com/v2/expense_categories" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Query parameters: is_active, updated_since, page, per_page

Get Expense Category

bash

curl "https://api.harvestapp.com/v2/expense_categories/{EXPENSE_CATEGORY_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Expense Category

bash

curl "https://api.harvestapp.com/v2/expense_categories" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"name":"Travel"}'

Reports

Time Reports - Clients

bash

curl "https://api.harvestapp.com/v2/reports/time/clients" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Time Reports - Projects

bash

curl "https://api.harvestapp.com/v2/reports/time/projects" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Time Reports - Tasks

bash

curl "https://api.harvestapp.com/v2/reports/time/tasks" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Time Reports - Team

bash

curl "https://api.harvestapp.com/v2/reports/time/team" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Uninvoiced Report

bash

curl "https://api.harvestapp.com/v2/reports/uninvoiced" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Expense Reports - Clients

bash

curl "https://api.harvestapp.com/v2/reports/expenses/clients" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Expense Reports - Projects

bash

curl "https://api.harvestapp.com/v2/reports/expenses/projects" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Expense Reports - Categories

bash

curl "https://api.harvestapp.com/v2/reports/expenses/categories" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Expense Reports - Team

bash

curl "https://api.harvestapp.com/v2/reports/expenses/team" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -G \
  -d "from=2024-01-01" \
  -d "to=2024-01-31"

Project Budget Report

bash

curl "https://api.harvestapp.com/v2/reports/project_budget" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Company

Get Company

bash

curl "https://api.harvestapp.com/v2/company" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Update Company

bash

curl "https://api.harvestapp.com/v2/company" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X PATCH \
  -d '{"wants_timestamp_timers":true}'

Roles

List Roles

bash

curl "https://api.harvestapp.com/v2/roles" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Get Role

bash

curl "https://api.harvestapp.com/v2/roles/{ROLE_ID}" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)"

Create Role

bash

curl "https://api.harvestapp.com/v2/roles" \
  -H "Authorization: Bearer $HARVEST_ACCESS_TOKEN" \
  -H "Harvest-Account-Id: $HARVEST_ACCOUNT_ID" \
  -H "User-Agent: MyApp (me@example.com)" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"name":"Developer","user_ids":[12345,67890]}'

Pagination

All list endpoints support pagination with page and per_page parameters. Responses include:

page: Current page number
total_pages: Total number of pages
total_entries: Total number of records
next_page: Next page number (null if last page)
previous_page: Previous page number (null if first page)

Rate Limiting

Harvest API has a rate limit of 100 requests per 15 seconds. Response headers include:

X-Rate-Limit-Limit: Request limit
X-Rate-Limit-Remaining: Remaining requests
X-Rate-Limit-Reset: Seconds until limit resets

Changelog

v1.0.0

Initial release with full API v2 coverage
Time entries, projects, tasks, clients, contacts
Users, billable rates, cost rates
Invoices, estimates, payments, messages
Expenses and expense categories
Reports (time, expense, project budget)
Company and roles management