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Endpoint

ViaCEP — Brazilian postal code

Eight-digit CEP without hyphen in path.

CEP → address JSON

GeographyNo API keyDefault GET

HTTP console

Example URL
https://viacep.com.br/ws/01001000/json/
Request

Use HTTPS GET unless the provider documents POST. Example: GET /ws/{cep}/json/

GET /ws/{cep}/json/
Response

{ cep, logradouro, bairro, localidade, uf, … }

{"cep":"01001-000","logradouro":"…","localidade":"São Paulo","uf":"SP"}
Outbound requestProxy

Executes on the server with rate limits and host rules. Edit the URL and payload to match your scenario—responses show real upstream status and body (truncated if very large).

Upstream response

Ready. Click Send to execute the request. Status, latency, content type, and body appear here—formatted when the payload is JSON.