LOUIE - EV Valuation API for Dealers

API Endpoints

GET /ev-valuate

Get instant EV trade-in value with battery-adjusted pricing

curl "https://louiesystem.com/ev-valuate?make=tesla&model=model3&year=2022&msrp=45000&miles=30000" {"estimated_value": 24418.10, "confidence": 0.92}

GET /vin-decode

Decode any VIN to get make, model, and year instantly

curl "https://louiesystem.com/vin-decode?vin=5YJ3E1EA1NF123456" {"make": "tesla", "model": "model3", "year": 2022}

GET /battery-health

Estimate battery degradation based on make, model, miles, age

curl "https://louiesystem.com/battery-health?make=tesla&model=model3&miles=45000&year=2021" {"battery_health": 88.5, "range_loss_pct": 11.5}

GET /market-compare

Compare LOUIE values against KBB and Black Book estimates

curl "https://louiesystem.com/market-compare?make=tesla&model=model3&year=2022&msrp=45000&miles=30000" {"louie_value": 24418, "kbb_estimate": 26371, "blackbook": 23197}

POST /batch-valuate

Value multiple vehicles in a single API call

curl -X POST "https://louiesystem.com/batch-valuate" -H "Content-Type: application/json" -d '[{"make":"tesla"...}]' [{"estimated_value": 24418}, {"estimated_value": 31205}]

Why LOUIE?

92%

Accuracy Rate

<100ms

Response Time

15+

EV Brands

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Battery Degradation

Real curves for Tesla, Rivian, Ford, Lucid, and more

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Instant Values

Sub-100ms response times for real-time pricing

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Easy Integration

REST API works with any DMS or dealer platform

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Market Data

Compare against KBB and Black Book instantly

Ready to Stop Guessing on EV Trade-Ins?

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