Overview
IBGE API provides official geographic and statistical data from Brazil's national statistics institute, including state and municipality listings, population data, and regional boundaries. It is completely free and requires no authentication. It is ideal for applications targeting Brazilian geography or government data.
Beginner Tip
The API documentation and response data are primarily in Portuguese. Start with the /localidades endpoints to list Brazilian states and municipalities, which are the most beginner-friendly resources.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://servicodados.ibge.gov.br/api/v1/localidades/estados
- Result
- HTTP 200 · application/json · 2,446 bytes · compressed
- Response time
- 301 ms (median of 3) · fastest 299 ms
- Transport
- TLSv1.2 · ECDHE-RSA-AES128-GCM-SHA256 · certificate issued by Sectigo Limited
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| id | integer | 11 |
| sigla | string | RO |
| nome | string | Rondônia |
| regiao | object | {3 fields} |
Captured Response
Captured from a real request to https://servicodados.ibge.gov.br/api/v1/localidades/estados on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
[
{
"id": 11,
"sigla": "RO",
"nome": "Rondônia",
"regiao": {
"id": 1,
"sigla": "N",
"nome": "Norte"
}
}
] Field Reference
id IBGE numeric code uniquely identifying the state or municipality. nome Name of the state or municipality in Portuguese. sigla Two-letter abbreviation for the state, e.g. SP for Sao Paulo. regiao Region object containing the id, nome, and sigla of the broader region. Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://servicodados.ibge.gov.br/api/v1/localidades/estados";
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.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
Technical Specifications
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