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GET
https://api.ai21.com
/
studio
/
v1
/
library
/
files
/
{file_id}
from ai21 import AI21Client

client = AI21Client()

# Replace with your actual file_id
file_id = "file_123abc"

# Retrieve file metadata
file_metadata = client.library.files.get(file_id=file_id)

print(file_metadata)

{
  "id": "file_123abc",
  "name": "customer_data.pdf",
  "size": 204800,
  "created_at": "2025-10-20T14:23:11Z",
  "labels": ["invoices", "Q3"]
}
The file_id is generated by AI21 when you upload the file.

​
Path Parameters

​
file_id
string
The unique ID of the file to retrieve.

​
Responses

​
Response 200

A successful response returns metadata about the requested file.
​
id
string
The file ID.
​
name
string
The file name.
​
size
int
File size in bytes.
​
created_at
string
File creation timestamp.
​
labels
array
Labels assigned to the file
​
errorCode
int
Error code, if any.
​
errorMessage
string
Error message, if any.

​
Response 422

No matching ID is found. 
from ai21 import AI21Client

client = AI21Client()

# Replace with your actual file_id
file_id = "file_123abc"

# Retrieve file metadata
file_metadata = client.library.files.get(file_id=file_id)

print(file_metadata)

{
  "id": "file_123abc",
  "name": "customer_data.pdf",
  "size": 204800,
  "created_at": "2025-10-20T14:23:11Z",
  "labels": ["invoices", "Q3"]
}