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)

const options = {method: 'GET'};

fetch('https://api.ai21.com/studio/v1/library/files/{file_id}', options)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.ai21.com/studio/v1/library/files/{file_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
        "fmt"
        "net/http"
        "io/ioutil"
)

func main() {

        url := "https://api.ai21.com/studio/v1/library/files/{file_id}"

        req, _ := http.NewRequest("GET", url, nil)

        res, _ := http.DefaultClient.Do(req)

        defer res.Body.Close()
        body, _ := ioutil.ReadAll(res.Body)

        fmt.Println(res)
        fmt.Println(string(body))

}

curl --request GET \
  --url https://api.ai21.com/studio/v1/library/files/{file_id}

HttpResponse<String> response = Unirest.get("https://api.ai21.com/studio/v1/library/files/{file_id}")
  .asString();

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