Overview
Cep.la is a free Brazilian API that lets you look up address information using a Brazilian postal code (CEP). It returns details like street name, neighborhood, city, and state in a simple JSON format. No API key is needed, making it a great starting point for any app that handles Brazilian addresses.
Beginner Tip
Brazilian CEPs are 8-digit codes; you can pass them with or without a hyphen (e.g., 01310-100 or 01310100). The API returns null for invalid or unknown CEPs.
Available Data
The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.
Example Response
Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.
{
"status": "success",
"data": {
"result": "Data from Cep.la",
"description": "Brazil RESTful API to find information about streets, zip codes, neighborhoods, cities and states",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
cep The queried postal code, formatted as 8 digits without a hyphen. logradouro Street or place name associated with the CEP. bairro Neighborhood or district name. cidade City name where the CEP is located. uf Two-letter state abbreviation (e.g., "SP" for Sao Paulo). Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "http://cep.la/01310100";
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
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Metadata Score Breakdown
Estimated from metadata — endpoint not independently tested
Metadata estimate · endpoint not independently tested
Technical Specifications
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