For AI agents: visit https://docs.checkhq.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.

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Guides Reference Changelog API Upgrades

Guides Reference

v2025-01-01

Guides Reference Changelog API Upgrades

Reference

v2025-01-01

Check API

Introduction
Authentication
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Errors
- Error codes
- Errors during payroll preview

Check Components

Overview of Components
Setup Components
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Employee Components
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- Contractor Onboardpost
- Contractor Tax Documentspost
Integration Components

API Reference

Employee Tax Elections

Available actions:

List employee tax elections
Update employee tax elections

Updated 10 months ago

Update company tax elections

List employee tax elections

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Updated 10 months ago

Update company tax elections

List employee tax elections

Did this page help you?