from ai21 import AI21Client

client = AI21Client()

file_id = client.library.files.create(
    labels=["label1", "label2"],
    public_url="www.example.com",
)

uploaded_file = client.library.files.get(file_id)

const options = {
  method: 'PUT',
  headers: {'Content-Type': 'application/json'},
  body: '{"publicUrl":"<string>","labels":["<string>"]}'
};

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 => "PUT",
  CURLOPT_POSTFIELDS => "{\n  \"publicUrl\": \"<string>\",\n  \"labels\": [\n    \"<string>\"\n  ]\n}",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

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

        payload := strings.NewReader("{\n  \"publicUrl\": \"<string>\",\n  \"labels\": [\n    \"<string>\"\n  ]\n}")

        req, _ := http.NewRequest("PUT", url, payload)

        req.Header.Add("Content-Type", "application/json")

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

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

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

}

curl --request PUT \
  --url https://api.ai21.com/studio/v1/library/files/{file_id} \
  --header 'Content-Type: application/json' \
  --data '{
  "publicUrl": "<string>",
  "labels": [
    "<string>"
  ]
}'

HttpResponse<String> response = Unirest.put("https://api.ai21.com/studio/v1/library/files/{file_id}")
  .header("Content-Type", "application/json")
  .body("{\n  \"publicUrl\": \"<string>\",\n  \"labels\": [\n    \"<string>\"\n  ]\n}")
  .asString();