Back to twins

Check test environment for payroll workflows

Test payroll agents and integrations that onboard workers, run payroll, and coordinate payments and filings.

Meet the Check twin

Validate employee, contractor, payroll, and payment workflows. Exercise payroll failures and recovery without moving money or filing taxes.

Seeded state

Seed companies, workplaces, employees, contractors, bank accounts, payrolls, payroll items, contractor payments, and webhooks.

Interfaces

Web UIAPI

Use Check in staging without using production.

Validate employee, contractor, payroll, and payment workflows

Seed companies, workplaces, workers, payroll items, bank accounts, and webhooks

Exercise payroll failures and recovery without moving money or filing taxes

Provision the Check twin from the CLI.

Install the Arga CLI, sign in once, then create a 60-minute twin run. The command waits until the environment is ready and prints its connection details.

Terminal

$ uv tool install arga-cli$ arga login$ arga twin-runs create --twins checkhq --ttl 60 --wait

Add --scenario-prompt to describe the state the twin should start with.

Build with the Check twin

Connect the twin, seed realistic state, and run scenarios against a resettable service.

Make your agents more capablein the real world.

Spin up isolated environments with API twins, full traces, and production-data for apps and agents that need to act.