M
API Matrix

Cartes.io API

⭐ Beginner's Pick Geocoding / No Auth Required Beginner HTTPS
Free to Use Varies (check documentation)
87 Score
Grade A
Visit Official Site Compare Alternatives

Overview

Cartes.io is a free API that lets you create maps and add custom markers without signing up. It is perfect for beginners who want to build interactive mapping projects quickly. Simply POST to create a map and start adding location markers right away.

💡

Beginner Tip

No authentication is required, so you can start creating maps and markers immediately with a simple POST request. Each map gets a unique UUID you can use to manage your markers.

Available Data

vehicle make and model
year and specifications
fuel economy
VIN decode data

Example Response

JSON Response 
{
  "make": "Toyota",
  "model": "Camry",
  "year": 2025,
  "engine": "2.5L 4-cylinder",
  "fuel_economy": {
    "city_mpg": 28,
    "highway_mpg": 39
  },
  "msrp": 28400
}

Field Reference

uuid Unique identifier for the map; used in all subsequent API calls for this map.
title Human-readable name of the map as provided during creation.
privacy Visibility setting of the map (e.g., "public" or "private").
markers_count Total number of markers currently placed on this map.
created_at ISO 8601 timestamp of when the map was created.

Implementation Example 

// ⚠️ Note: This URL may be a documentation page. Check official docs for actual API endpoint.
const url = "https://github.com/M-Media-Group/Cartes.io/wiki/API";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

422 Unprocessable Entity Missing required fields or invalid JSON in the request body.
✓ Ensure your POST body includes a valid "title" field and that Content-Type is set to application/json.
404 Not Found on marker operations Using an incorrect or expired map UUID.
✓ Double-check the map UUID returned when you created the map. UUIDs are case-sensitive.
Marker not showing on map Latitude and longitude values are out of valid range or swapped.
✓ Latitude must be between -90 and 90, longitude between -180 and 180. Verify you have not swapped the two values.

Matrix Score Breakdown

🌐 Reachability 30/30
⚡ Speed 20/20
🔒 Security 15/15
🛠 Developer XP 15/20
✓ Reliability 7/15
Response Time 55ms

Fully tested on Apr 5, 2026

Technical Specifications

Auth No Auth
HTTPS REQUIRED
CORS UNKNOWN
Category Geocoding
Difficulty Beginner
Verified: 2026-04-04

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