v2.4.0 Release: Enhanced EU/UK Plate Support

Number Plate Recognition
API for developers

NPR API delivers production-grade number plate recognition with 99.8% accuracy. Read licence plates from images and video with latencies under 50ms.

99.99% Uptime
SOC2 Compliant
Global Support
POST /v1/plate-reader
Number plate recognition API detecting a vehicle licence plate
ABC 1234 • 99.2%
Processing Time: 42ms
Resolution: 1920x1080
// 200 OK
{
"processing_time_ms": 42,
"results": [
{
"plate": "ABC1234",
"confidence": 0.992,
"region": "us-ca",
"vehicle": {
"color": "silver",
"make": "tesla",
"type": "sedan"
},
"coordinates": [452, 671, 120, 45]
}
]
}
500M+
Number Plates Read
99.8%
Recognition Accuracy
<50ms
Avg API Latency
90+
Countries Supported

Number plate recognition built for scale.

Our NPR engine is trained on millions of diverse plate samples to ensure robust recognition in low light, high angles, and challenging weather conditions.

Real-time Plate Recognition

Optimised inference engine delivering sub-50ms number plate reads. Perfect for high-speed tolling, parking, and access control applications.

Global Plate Support

Recognise number plates from 90+ countries out of the box. Automatically detects region and format, including two-line plates and special characters.

Vehicle Analytics

Beyond just number plates. Extract vehicle make, model, colour, and body type in a single NPR API call for comprehensive tracking.

Cloud or On-Premise

Use our globally distributed number plate recognition API or deploy the Docker container directly to your edge devices.

Privacy First

GDPR and CCPA compliant. Zero-retention policy options available. Images are processed in memory and immediately discarded.

Developer Centric

Integrate NPR API with SDKs for Python, Node, Go, and Java. Comprehensive webhooks, detailed logging, and sandbox environment.

Integrate NPR API in minutes.

Send an image buffer or URL, get structured number plate data back as JSON. No complex configurations or training required.

1

Get your API Key

Sign up for a free account and generate your secret key.

2

Install the SDK

Use npm, pip, or go get to install our official client.

3

Make your first request

Send an image and receive parsed data instantly.

curl -X POST https://api.nprapi.com/v1/plate-reader \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "image=@/path/to/vehicle.jpg"
import npr_api
client = npr_api.Client('YOUR_API_KEY')
result = client.read_plate('vehicle.jpg')
print(result.plate)
const NPR = require('npr-sdk');
const client = new NPR('YOUR_API_KEY');
await client.read('vehicle.jpg');

Complete visibility over plate recognition.

Monitor NPR API usage, analyse recognition patterns, and manage your API keys from a powerful dashboard.

Requests Today
1,248,902
+12.4% vs yesterday
Avg Confidence
99.4%
Avg Latency
42ms
Success Rate
99.97%

Vehicle Breakdown

Sedan 55%
SUV 30%
Truck 10%
Motorcycle 5%

Recent Reads

Live
XYZ 9876 US-NY Sedan
99.8% 45ms 14:20:01
ABC 1234 US-CA SUV
99.1% 38ms 14:19:58
GHI 4567 GB-LDN Sedan
88.5% 112ms 14:19:42
MNO 5521 DE-BY Truck
99.5% 31ms 14:19:35
PQR 7788 FR-IDF Sedan
99.9% 28ms 14:19:22

Simple, transparent pricing.

Start free with 1,000 requests/month. No credit card required. Scale as your application grows.

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