Mexico SEPOMEX Zip Codes API

API

Free RESTful API for Mexico's SEPOMEX postal code data

Overview

This RESTful API provides access to Mexico's SEPOMEX postal code data, enabling zip code lookup and location detail retrieval. Endpoints support GET requests for valid Mexican zip codes, returning structured JSON with state, municipality, settlement type, neighborhood, and street info. Use cases include e-commerce address validation, logistics route optimization, and auto-filling address fields for Mexican users. It requires no authentication, uses open-source SEPOMEX data, and integrates easily into web/mobile apps.

Example Integration (JavaScript)

script.js JS


fetch('https://github.com/IcaliaLabs/sepomex')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful
JSON support
No authentication
SEPOMEX official data
Zip code lookup
Location details

Frequently Asked Questions

? Is the Mexico SEPOMEX Zip Codes API free?

Yes, it’s completely free and open-source with no paid tiers.

? Does it require an API Key?

No, authentication is not needed to access any endpoints.

? What response format does it use?

All responses are in JSON format, with structured postal and location data.

? Can I get location details from a zip code?

Yes—lookup any valid Mexican zip code to get state, city, neighborhood, and more.

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Tool Info

Pricing Free

Category Geocoding

Platform Public API

Pros

⊕ Free & open-source
⊕ Easy integration
⊕ Accurate Mexican postal data
⊕ No API key needed
⊕ Structured responses

Cons

⊖ No official SLA
⊖ Limited to Mexico only
⊖ Community-maintained
⊖ May lack real-time updates