Send an Australian registration plate and state to one GET endpoint, get the vehicle's year range, make, model, body type, and engine back as JSON. Cars, motorcycles, utes, vans -- if it has a plate, we cover it. Free tier: 20 lookups/month, no credit card. Paid plans from A$29/month. Works with any HTTP client in any language -- no SDK required. Includes a 38,000+ vehicle database endpoint for make/model/year dropdowns.