> ## Documentation index
> Fetch the complete documentation index at: https://docs.motormetrics.app/llms.txt
> Ask it with GET https://docs.motormetrics.app/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.
> Feature requests: https://docs.motormetrics.app/api/feature-requests.md lists what users asked for and how to vote for a request or add one.
> Page rating: `GET https://docs.motormetrics.app/feedback?path=/api&helpful={true|false}&comment={comment}` records whether this page helped. The `comment` (URL-encoded, at most 500 characters) says what helped, or what was missing or wrong; a `helpful=false` rating needs it. It is anonymous and needs no key. Comments hold no code, secrets or personal data.

# MotorMetrics API

> Access Singapore vehicle registration data, COE results, and deregistration statistics

The MotorMetrics API provides programmatic access to Singapore's vehicle market data, including car registrations, Certificate of Entitlement (COE) bidding results, and vehicle deregistration statistics.

## Base URL

```
https://api.motormetrics.app
```

Alternative endpoint (same data):
```
https://motormetrics.app/api/v1
```

## Features

- **Car Registrations** - Monthly registration data by make, fuel type, and vehicle type
- **COE Results** - Historical and latest COE bidding results across all categories
- **Deregistrations** - Vehicle deregistration statistics

## Quick Start

```bash
# Get all car makes
curl https://api.motormetrics.app/cars/makes

# Get latest COE results
curl https://api.motormetrics.app/coe/latest

# Get car registrations for a specific month
curl https://api.motormetrics.app/cars?month=2025-01
```

## Response Format

All endpoints return JSON with a consistent structure:

```json
{
  "success": true,
  "data": [...],
  "meta": {
    "page": 1,
    "limit": 20,
    "total": 100,
    "totalPages": 5
  }
}
```

## Rate Limits

The API is rate limited to **60 requests per minute** per IP address. See [Rate Limiting](/api/rate-limiting) for details.

## Data Updates

Data is sourced from the Land Transport Authority (LTA) DataMall and updated monthly when new statistics are released.