Instant VIN
Prefill API
Eliminate manual data entry. Scan 17-character VINs from glaring windshields and automatically pre-fill your CRM, Dealership, or Auto Auction software in under 1 second.
curl -X POST
https://api.structocr.com/v1/vin \
-H "x-api-key: YOUR_KEY" \
-d '{"img": "data:image/jpeg;base64,/9j/4A..."}'{
"success": true,
"data": {
"vin": "1M8GDM9A6KP042788",
"confidence": "High",
"carrier_type": "windshield"
}
}Deployed in extreme environments globally
Built for Automotive Business
Smart Correction
Automatically fixes common OCR confusions based on allowed VIN characters (e.g., correcting 'I' to '1', 'Q' to '0').
Multi-Surface Support
Trained on diverse datasets to read from curved windshields, B-pillar stickers, metal plates, and registration documents.
Low Latency
Optimized for mobile workflows. Process vehicle images in under 1 second to speed up check-ins and quotes.
Glare Removal
Advanced pre-processing algorithms filter out glass reflections and shadows common in outdoor scanning.
Carrier Detection
Intelligently identifies the source type (e.g., 'windshield' vs 'sticker') to provide context.
Clean JSON
No parsing required. Get the normalized 17-character VIN string directly in your API response.
Dot-Matrix Support
Specialized models trained to read dot-matrix (stippled) fonts often found on chassis and engine blocks.
Privacy First
We process images in-memory and delete them immediately after extraction. No vehicle data is stored.
How it works
Integrate vehicle data capture into your insurance or fleet app in minutes.
Capture Image
User snaps a photo of the VIN (Windshield, Door Jamb, or Document) via your mobile app or web interface.
AI Analysis
We locate the VIN and apply character logic to filter out illegal characters (like I, O, Q) for cleaner results.
Extracted Data
Receive the corrected 17-character VIN and confidence score instantly to pre-fill your forms.
Exact Data Extraction
Our API focuses on the most critical data point: The 17-character VIN. It automatically normalizes results (uppercase, no spaces) and filters out disallowed characters.
VIN (17 chars)
Key: vin
Confidence Score
Key: confidence
Carrier Type
Key: carrier_type
Trusted by Automotive Leaders
From insurance apps to auction houses, businesses rely on our VIN accuracy.
We audit thousands of cars weekly at our auction lot. The instant prefill API allows our field agents to reconcile inventory in seconds instead of manually typing numbers.
Scanning VINs under the extreme desert sun used to fail constantly. StructOCR's glare removal handles it perfectly, keeping our high-speed checkpoints moving without delays.
Scanning VINs from windshields used to be a nightmare due to glare. StructOCR handles it perfectly, speeding up our insurance quoting process by 40%.
Built for Developers,
Optimized for Automotive
We abstract away the complexity of computer vision, giving you a clean endpoint to verify vehicles.
Rapid Integration
Standardized REST API that works with any language (Python, Node, Go). Get up and running in minutes.
High Availability
Built on serverless edge infrastructure ensuring 99.99% uptime for your mission-critical fleet apps.
Auto-Correction Logic
Stop writing RegEx. We handle the 17-char validation and character correction logic for you.
Clear Documentation
Comprehensive guides and code samples to help you handle edge cases like older vehicles or damaged plates.
Learn How VIN OCR Automates Workflows
Explore our guides on integrating VIN prefill into your industry.
How to Automate Used Car Auction Intake with VIN Prefill
Learn how field agents use mobile VIN scanning to instantly populate CRM systems and eliminate manual typing errors on the auction lot.
Overcoming Glare and Speed Issues at Vehicle Checkpoints
Discover how advanced OCR pre-processing handles direct sunlight and curved windshields for high-speed vehicle verification.
Precise Data Extraction and Seamless
Integration with AI-powered OCR API.
Empower your solutions with automated data extraction by
integrating best-in class StructOCR via API seamlessly.
No credit card required • Full API access included