Find the likely renewal path
The form submits back to the Astro route, which asks the API for the current rule set. No client framework required.
Result
Submit a state, county, and vehicle age to see the flow.
Use the checker via API
This form is just a thin HTML layer over the public checker endpoint.
Direct request example
curl "https://api.plateharbor.com/api/v1/check?state=arizona&county=maricopa&vehicle_age=8&fuel_type=gas"