Re-sign a file URL

Generate a fresh 7-day signed URL for a previously uploaded or generated file. Useful when an original signed URL has expired but the underlying object is still within its 30-day retention window.

Authentication

AuthorizationBearer

Pass your EmpirioLabs API key as a bearer token. The Anthropic-style x-api-key header is also accepted on every endpoint.

Query parameters

file_idstringRequired

The file_id returned from a previous upload or generation.

Response

Fresh signed URL.
urlstringformat: "uri"
expires_atdatetime