Harvest API V2 Documentation email Contact Us

Welcome to the Harvest API v2 Help Center

This is the current API V2 documentation. You can still view the legacy API V1 documentation.

API Introduction

  • Overview
  • Postman Collection
  • Code Samples
  • Supported Time Zones
  • Supported Currencies
  • Pagination
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Authentication

  • Authentication
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Clients API

  • Client Contacts
  • Clients
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Company Settings

  • Company
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Invoices API

  • Invoice Messages
  • Invoice Payments
  • Invoices
  • Invoice Item Categories
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Estimates API

  • Estimate Messages
  • Estimates
  • Estimate Item Categories
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Expenses API

  • Expenses
  • Expense Categories
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Tasks API

  • Tasks
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Timesheets API

  • Time Entries
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Projects API

  • Project User Assignments
  • Project Task Assignments
  • Projects
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Roles API

  • Roles
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Users API

  • User Teammates
  • User Billable Rates
  • User Cost Rates
  • User Project Assignments
  • Users
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Reports API

  • Expense Reports
  • Uninvoiced Report
  • Time Reports
  • Project Budget Report
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