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Guides Reference Changelog API Upgrades

Guides Reference

v2025-01-01

Guides Reference Changelog API Upgrades

Reference

v2025-01-01

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Check API

Introduction
Authentication
Errors
- Error codes
- Errors during payroll preview
Rate limiting
X-Request-Log-Id Response Header
Idempotent Requests
Versioning

Check Components

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

API Reference

Create a company

post

https://sandbox.checkhq.com/companies

Creates a company to run payroll for.

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