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GET
/
v1
/
files
/
{file_id}
// GET https://api.signatureapi.com/v1/files/{file_id}
// X-API-Key: key_test_...

{
  "id": "fil_0nZXZ8pYPByQ4XksJbDl4r",
  "expires_at": "2025-12-31T20:00:00.000Z"
}
The File resource and /v1/files endpoint are soft-deprecated. Use Uploads instead:

​
Path Parameters

​
file_id
string
required
The unique identifier of a file.

​
Returns

Returns a 200 OK status code along with a file object if successful, or an error otherwise. For new integrations, use an upload object. 
// GET https://api.signatureapi.com/v1/files/{file_id}
// X-API-Key: key_test_...

{
  "id": "fil_0nZXZ8pYPByQ4XksJbDl4r",
  "expires_at": "2025-12-31T20:00:00.000Z"
}