Best Practices for Integrating Vehicle Data

Integrating a third-party API is easy. Integrating it reliably at scale is hard. Here are three best practices we recommend for all developers using our endpoints.

1. Strategic Caching

Vehicle specifications (Year, Make, Model, Trim) rarely change once a car is manufactured. There is no need to call the API every time a user views their dashboard. Cache the decoded VIN response in your own database forever.

However, variable data like Market Value or Auction History should be cached with a TTL (Time To Live) of 24-48 hours, as these values fluctuate.

2. Handling "Not Found" Gracefully

Approximately 2% of valid VINs (especially very new or very old imports) might fail a standard decode. Your UI should always provide a manual fallback flow.

Recommended Fallback Logic

async function decodeVehicle(vin) {
    try {
        const data = await api.decode(vin);
        return data; // Happy Path
    } catch (error) {
        if (error.status === 404) {
            // Trigger Manual Entry Modal
            const manualData = await promptUserForDetails();
            return manualData;
        }
        // Handle network errors...
    }
}
            

3. Asynchronous Processing

Endpoints that aggregate data from multiple sources (IMAGES + SPECS + MARKET_VALUE) can take 2-3 seconds. Don't block your main UI thread.

• Good: Show a skeleton loader, fetch data, hydrate the view.
• Better: Use a background job for bulk imports and notify the user via websocket when complete.