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v2024-03-01
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API Reference
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These docs are for v2024-03-01. Click to read the latest docs for v2026-02-01.
Getting started
Introduction
Platform overview
Quickstart
Getting started
Payroll fundamentals
Developer tools
Postman
API versioning
Version upgrade guide
Authentication
OAuth2
Strict Access
Errors
Error Categories
Idempotency
Pagination
Rate limits
Scopes
Webhooks
Best Practices
Webhook Events
Bank Account Events
Company Events
Company Benefit Events
Contractor Events
Contractor Payment Events
Contractor Payment Group Events
Document Events
Employee Events
Employee Home Address Events
Employee Work Address Events
Employee Benefit Events
Employee Job Compensation Events
External Payroll Events
Fast Ach Config Events
Form Events
Generated Document Events
Location Events
Notification Events
Payroll Events
Pay Schedule Events
Signatory Events
Partner Notifications
Partner Notification types
Testing Partner Notifications
Gusto Flows (Pre-built UI)
Introduction
Requirements
Getting Started
Customize Flows
Custom Font for Flows
Flow Types
Try It Now
Flow events
Companies
Introduction
Onboard a company
Migrate an existing company
Onboard a contractor-only company
Create company benefits
Company forms
Manage company attachments
Create a department
W2 Employees
Introduction
Onboard a W2 Employee
Onboarding Method Comparison
Create a Job and Compensation
Adjust for minimum wage
W2 Employee Forms
I-9 Employment Verification
I-9 Verification Using Flows
Terminate a W2 Employee
Rehire a W2 Employee
Manage Employee Addresses: Effective Dating
Create a Child Support Garnishment
Contractors
Introduction
Onboard a Contractor
Onboarding Method Comparison
Terminate a Contractor
Contractor Payments
Contractor Payment Receipts
Contractor Forms and Documents
Contractor Forms
Contractor Documents
Payrolls
Introduction
Payroll Processing Speeds
Recovery Cases
Calculate An Employee's Gross Wage
Complete a Regular Payroll
Payroll Statuses
Payroll Receipts
Payroll Blockers
Payroll Submission Blockers & Unblock Options
Payroll Processing Request
Create an Off Cycle Payroll
Create a Termination Payroll Flow
Create Company Specific Custom Earnings
Create a Historical Payroll
Pay Schedules
Create a pay schedule
Manage Pay Schedules via API
Manage Pay Schedules Flow
Generate Printable Paper Checks
Gross-Up
Reports
Generate Custom Reports
Retrieve a General Ledger report
ACH TRANSACTIONS
ACH Transactions
ACH Codes and Transaction Types
Bank Errors
Time Off
Create a Time Off Policy
Time off management flow
Create a Holiday Pay Policy
Product Partnerships
Health Insurance (SimplyInsured)
On-Demand Pay (Clair)
Workers' Compensation (NEXT)
401(k) (Guideline)
Contact
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