Gusto Integration for AI Agents
Connect your AI agent to 96 QA'd Gusto actions via MCP, A2A, or SDK, with agent authentication, tool-calling execution, and security built-in, plus 24 events to subscribe to.
Gusto AI Agent Actions
96 production-ready actions for your agent to do more on Gusto.
96 Actions
List Company Bank Accounts - Get all bank accounts for a company
Create Company Bank Account - Create a new company bank account
Verify Company Bank Account - Verify a company bank account using micro-deposits
Delete Company Bank Account - Disable a company bank account
List Company Benefits - Get all benefits for a company
Get Company Benefit - Get details of a specific company benefit
Update Company Benefit - Update an existing company benefit
List Employee Benefits - Get all benefits for an employee
Get Employee Benefit - Get details of a specific employee benefit enrollment
Create Employee Benefit - Enroll an employee in a company benefit
Update Employee Benefit - Update an employee's benefit enrollment
Delete Employee Benefit - Remove an employee from a benefit enrollment
Get Company - Get details of a specific company
List Company Attachments - List all attachments for a company
Get Company Attachment - Get a specific company attachment by UUID
Upload Company Attachment - Upload a file as a company attachment
Get Company Attachment Download URL - Get a temporary download URL for a company attachment
List Job Compensations - Get all compensations for a job
Get Compensation - Get details of a specific compensation
Create Compensation - Create a new compensation for a job
Update Compensation - Update an existing compensation
Delete Compensation - Delete a compensation
List Contractors - Get all contractors for a company
Get Contractor - Get details of a specific contractor
Create Contractor - Create a new contractor for the company
Update Contractor - Update a contractor's information
Delete Contractor - Delete a contractor
List Departments - Get all departments for a company
Get Department - Get details of a specific department
Create Department - Create a new department for the company
Update Department - Update an existing department
Delete Department - Delete a department
List Employees - Get all employees for a company
Get Employee - Get details of a specific employee
Create Employee - Create a new employee
Update Employee - Update an employee
List Employee Home Addresses - Get all home addresses for an employee
Get Home Address - Get a specific home address
Create Employee Home Address - Create a home address for an employee
Update Home Address - Update an employee's home address
Delete Home Address - Delete an employee's home address
List Employee Work Addresses - Get all work addresses for an employee
Get Work Address - Get a specific work address
Create Employee Work Address - Create a work address for an employee
Update Work Address - Update an employee's work address
Delete Work Address - Delete an employee's work address
Get Employee Custom Fields - Get custom field values for an employee
Get Employee Employment History - Get employment history for an employee
Terminate Employee - Terminate an employee
Webhook Subscription Verify - Handles Gusto's async subscription verification — obtains a system access token and confirms the verification_token so the subscription becomes active.
Webhook Verification - Acknowledges any unmatched payload with a 200 and no emitted event, so the webhook stays healthy.
Bank Account Webhook - Processes Gusto BankAccount webhook events for company, employee, and contractor bank accounts (e.g. company.bank_account.created).
Company Webhook - Processes Gusto Company webhook events (e.g. company.provisioned).
Company Benefit Webhook - Processes Gusto CompanyBenefit webhook events (e.g. company_benefit.created).
Contractor Webhook - Processes Gusto Contractor webhook events (e.g. contractor.created).
Contractor Payment Webhook - Processes Gusto ContractorPayment webhook events (e.g. contractor_payment.created).
Contractor Payment Group Webhook - Processes Gusto ContractorPaymentGroup webhook events (e.g. contractor_payment_group.created).
Document Webhook - Processes Gusto Document webhook events (e.g. contractor.document.created).
Employee Webhook - Processes Gusto Employee webhook events (e.g. employee.created).
Home Address Webhook - Processes Gusto HomeAddress webhook events (e.g. employee.home_address.created).
Work Address Webhook - Processes Gusto WorkAddress webhook events (e.g. employee.work_address.created).
Employee Benefit Webhook - Processes Gusto EmployeeBenefit webhook events (e.g. employee_benefit.created).
Employee Job Compensation Webhook - Processes Gusto EmployeeJobCompensation webhook events (e.g. employee_job_compensation.created).
External Payroll Webhook - Processes Gusto ExternalPayroll webhook events (e.g. external_payroll.created).
Fast Ach Config Webhook - Processes Gusto FastAchConfig webhook events (e.g. fast_ach_config.activated).
Form Webhook - Processes Gusto Form webhook events (e.g. form.created).
Generated Document Webhook - Processes Gusto GeneratedDocument webhook events (e.g. generated_document.generated).
Location Webhook - Processes Gusto Location webhook events (e.g. location.created).
Notification Webhook - Processes Gusto Notification webhook events (e.g. notification.information_request.created).
Payroll Webhook - Processes Gusto Payroll webhook events (e.g. payroll.created).
Pay Schedule Webhook - Processes Gusto PaySchedule webhook events (e.g. pay_schedule.created).
Signatory Webhook - Processes Gusto Signatory webhook events (e.g. signatory.created).
Time Off Request Webhook - Processes Gusto TimeOffRequest webhook events (e.g. time_off_request.created).
List Employee Jobs - Get all jobs for an employee
Get Job - Get details of a specific job
Create Job - Create a new job for an employee
Update Job - Update an existing job
Delete Job - Delete a job
List Company Locations - Get all locations for a company
Get Location - Get details of a specific location
Create Company Location - Create a new company location
Update Location - Update an existing location
List Company Payrolls - Get all payrolls for a company
Get Payroll - Get details of a specific payroll
Create Off-Cycle Payroll - Create a new off-cycle payroll
Delete Payroll - Delete an unprocessed payroll
List Pay Schedules - Get all pay schedules for a company
Get Pay Schedule - Get details of a specific pay schedule
Create Pay Schedule - Create a new pay schedule for the company
Update Pay Schedule - Update an existing pay schedule
List Time Off Policies - Get all time off policies for a company
Get Time Off Policy - Get details of a specific time off policy
Create Time Off Policy - Create a new time off policy for the company
Update Time Off Policy - Update an existing time off policy
Add Employees To Time Off Policy - Add employees to a time off policy
Update Employee Time Off Balances - Update time off balances for employees on a policy
Gusto Webhook Events
24 real-time Gusto events your AI agent can subscribe to.
24 Events
- Webhook Subscription Verify Handles Gusto's async subscription verification — obtains a system access token and confirms the verification_token so the subscription becomes active.
- Webhook Verification Acknowledges any unmatched payload with a 200 and no emitted event, so the webhook stays healthy.
- Bank Account Webhook Processes Gusto BankAccount webhook events for company, employee, and contractor bank accounts (e.g. company.bank_account.created).
- Company Webhook Processes Gusto Company webhook events (e.g. company.provisioned).
- Company Benefit Webhook Processes Gusto CompanyBenefit webhook events (e.g. company_benefit.created).
- Contractor Webhook Processes Gusto Contractor webhook events (e.g. contractor.created).
- Contractor Payment Webhook Processes Gusto ContractorPayment webhook events (e.g. contractor_payment.created).
- Contractor Payment Group Webhook Processes Gusto ContractorPaymentGroup webhook events (e.g. contractor_payment_group.created).
- Document Webhook Processes Gusto Document webhook events (e.g. contractor.document.created).
- Employee Webhook Processes Gusto Employee webhook events (e.g. employee.created).
- Home Address Webhook Processes Gusto HomeAddress webhook events (e.g. employee.home_address.created).
- Work Address Webhook Processes Gusto WorkAddress webhook events (e.g. employee.work_address.created).
- Employee Benefit Webhook Processes Gusto EmployeeBenefit webhook events (e.g. employee_benefit.created).
- Employee Job Compensation Webhook Processes Gusto EmployeeJobCompensation webhook events (e.g. employee_job_compensation.created).
- External Payroll Webhook Processes Gusto ExternalPayroll webhook events (e.g. external_payroll.created).
- Fast Ach Config Webhook Processes Gusto FastAchConfig webhook events (e.g. fast_ach_config.activated).
- Form Webhook Processes Gusto Form webhook events (e.g. form.created).
- Generated Document Webhook Processes Gusto GeneratedDocument webhook events (e.g. generated_document.generated).
- Location Webhook Processes Gusto Location webhook events (e.g. location.created).
- Notification Webhook Processes Gusto Notification webhook events (e.g. notification.information_request.created).
- Payroll Webhook Processes Gusto Payroll webhook events (e.g. payroll.created).
- Pay Schedule Webhook Processes Gusto PaySchedule webhook events (e.g. pay_schedule.created).
- Signatory Webhook Processes Gusto Signatory webhook events (e.g. signatory.created).
- Time Off Request Webhook Processes Gusto TimeOffRequest webhook events (e.g. time_off_request.created).
Gusto AI Agent Use Cases
Connect your AI agent to Gusto and help your team scale the HR operations they run by hand today.
Employee Onboarding
Use StackOne to connect your AI agent to your HRIS, identity management, and LMS to automate employee onboarding.
View HR Policy Q&A Chatbot
Use StackOne to connect your AI agent to your HRIS, knowledge base, and messaging tools to automate HR policy Q&A.
View Employee Offboarding
Use StackOne to connect your AI agent to your HRIS, identity management, and ITSM to automate employee offboarding and deprovisioning.
ViewDo More, Build Less
Integration Infrastructure for Gusto AI Agents
"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."
Luna Schmid, Partner at GV
"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."
Barbry McGann, SVP at Workday Ventures
Product Teams Love Building Agent Integrations With StackOne
Agentic Automation
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Gusto AI agent integration resources
Webhooks for AI agents: why agentic workflows need them purpose-built
AI agents can act the moment a system changes, using webhooks. But webhooks built for software hit three limits in agentic workflows. Here is how to fix each.
7 min read
Unified API Limitations for AI Agent Integration: 7 Ways They Break
Unified APIs work for traditional software but fail AI agents in specific, measurable ways. Here are 7 problems we found after building both approaches, with examples from Workday, Greenhouse, Jira, and Salesforce.
14 min
Agentic Context Engineering: Why AI Agents Kill Their Own Context Windows
AI agents exceed their context windows without knowing it. Six failure patterns and seven survival architectures for agentic context engineering.
15 min
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Gusto integration FAQ
Do I need to create my own auth app to connect Gusto to StackOne?
Yes, you need an auth app inside the Gusto Developer Portal. Create an application at dev.gusto.com with the StackOne redirect URI, then paste the resulting Client ID and Secret into the StackOne dashboard auth config for the Gusto connector. A Primary or Full-access admin must perform authorization. See the Gusto auth docs.
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