A single estimate is not useful when the assumptions are invisible. I wanted the appraisal to begin with the VIN and preserve the vehicle context instead of treating every visit as a disposable form.
automotive data · full stack
AutoIQ
A car valuation that shows what changes the number.
I built AutoIQ around the frustrating part of online trade-in tools: they produce a price without showing how the exact vehicle, mileage, condition, title, and market listings shaped it.
- Year
- 2026
- My role
- Creator · full-stack engineering
- Built with
- Next.js · Supabase · NHTSA · MarketCheck
Know what your
car is worth.
Decode the VIN, add its real condition, and compare three ways to sell.
Run the real three-step appraisal flow and compare sale paths.
I built a seven-route product for VIN decoding, guided condition inputs, market ranges, saved garages, valuation history, seller handoff, and a Chrome extension that carries vehicle data into listing workflows.
AutoIQ turns a one-time quote into a reusable vehicle record with a visible value range. The interface makes the path from VIN to appraisal understandable without requiring an account.
Vehicle data is fragmented across decoding, listings, condition inputs, and seller sites; the product has to preserve identity through every handoff.
I built the seven-route Next.js product, Supabase data model, external vehicle-data integrations, appraisal flow, saved garage, history views, and Chrome extension handoff.
Next.jsSupabaseREST integrationsData modelingChrome extensions
Technical detailsExplore the product systems+
What the product actually does.
VIN to usable vehicle record
NHTSA data turns seventeen characters into year, make, model, trim, and specifications that remain attached to the appraisal.
A range with visible assumptions
Mileage, condition, title, history, and comparable listings adjust trade-in, private-party, and market values instead of hiding behind one number.
Garage, history, and seller handoff
Saved vehicles keep their valuation history, while a Chrome extension carries the record into listing and instant-offer workflows.
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