Free Vehicle Depreciation API

The same model that powers the calculators, as a plain JSON endpoint. No key, no sign-up. Please keep it under 60 requests a minute.

GET /api/v1/depreciation

ParameterMeaning
typecar, luxury, suv, truck, ev, hybrid, motorcycle, rv-a, rv-bc, trailer, fifth-wheel, boat
pricePrice or value today (100 – 5,000,000). Default 35000
ageAge today in years (0 = new, max 30)
yearsYears to project, 1–15. Default 5
milesMiles per year (engine hours for boats). Default: typical for the type
retentionstrong, average or weak

Response: finalValue, totalLost and a schedule array with value, dollars lost and percentages for each year. CORS is open, so you can call it from a browser.

GET /api/v1/types

Lists every vehicle type with its yearly rates and typical usage, so you can show the assumptions next to your results.

Terms

Free for personal and commercial use. Results are estimates from published averages, not appraisals. A link back to assetdropper.com is appreciated.

Try itGET
/api/v1/depreciation?type=truck&price=52000&age=0&years=5&miles=12000&retention=average