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POST
/
2
/
media
/
upload
/
initialize
Initialize media upload
curl --request POST \
  --url https://api.x.com/2/media/upload/initialize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "additional_owners": [
    "2244994945"
  ],
  "media_category": "tweet_video",
  "media_type": "video/mp4",
  "shared": true,
  "total_bytes": 8589934592
}
'
import requests

url = "https://api.x.com/2/media/upload/initialize"

payload = {
    "additional_owners": ["2244994945"],
    "media_category": "tweet_video",
    "media_type": "video/mp4",
    "shared": True,
    "total_bytes": 8589934592
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    additional_owners: ['2244994945'],
    media_category: 'tweet_video',
    media_type: 'video/mp4',
    shared: true,
    total_bytes: 8589934592
  })
};

fetch('https://api.x.com/2/media/upload/initialize', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.x.com/2/media/upload/initialize",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'additional_owners' => [
        '2244994945'
    ],
    'media_category' => 'tweet_video',
    'media_type' => 'video/mp4',
    'shared' => true,
    'total_bytes' => 8589934592
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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"
)

func main() {

	url := "https://api.x.com/2/media/upload/initialize"

	payload := strings.NewReader("{\n  \"additional_owners\": [\n    \"2244994945\"\n  ],\n  \"media_category\": \"tweet_video\",\n  \"media_type\": \"video/mp4\",\n  \"shared\": true,\n  \"total_bytes\": 8589934592\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.x.com/2/media/upload/initialize")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"additional_owners\": [\n    \"2244994945\"\n  ],\n  \"media_category\": \"tweet_video\",\n  \"media_type\": \"video/mp4\",\n  \"shared\": true,\n  \"total_bytes\": 8589934592\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.x.com/2/media/upload/initialize")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"additional_owners\": [\n    \"2244994945\"\n  ],\n  \"media_category\": \"tweet_video\",\n  \"media_type\": \"video/mp4\",\n  \"shared\": true,\n  \"total_bytes\": 8589934592\n}"

response = http.request(request)
puts response.read_body
{
  "data": {
    "expires_after_secs": 123,
    "id": "1146654567674912769",
    "media_key": "<string>",
    "processing_info": {
      "check_after_secs": 123,
      "progress_percent": 123
    },
    "size": 123
  },
  "errors": [
    {
      "title": "<string>",
      "type": "<string>",
      "detail": "<string>",
      "status": 123
    }
  ]
}
{
  "code": 123,
  "message": "<string>"
}

Authorizations

​
Authorization
string
header
required

The access token received from the authorization server in the OAuth 2.0 flow.

Body

application/json
​
additional_owners
string[]

Unique identifier of this User. This is returned as a string in order to avoid complications with languages and tools that cannot handle large integers.

Pattern: ^[0-9]{1,19}$
​
media_category
enum<string>

A string enum value which identifies a media use-case. This identifier is used to enforce use-case specific constraints (e.g. file size, video duration) and enable advanced features.

Available options:
amplify_video,
tweet_gif,
tweet_image,
tweet_video,
dm_gif,
dm_image,
dm_video,
subtitles
Example:

"tweet_video"

​
media_type
enum<string>

The type of media.

Available options:
video/mp4,
video/webm,
video/mp2t,
video/quicktime,
text/srt,
text/vtt,
image/jpeg,
image/gif,
image/bmp,
image/png,
image/webp,
image/pjpeg,
image/tiff,
model/gltf-binary,
model/vnd.usdz+zip
Example:

"video/mp4"

​
shared
boolean

Whether this media is shared or not.

​
total_bytes
integer

The total size of the media upload in bytes.

Required range: 0 <= x <= 17179869184

Response

The request has succeeded.

A response from getting a media upload request status.

​
data
object
​
errors
object[]
Minimum array length: 1

An HTTP Problem Details object, as defined in IETF RFC 7807 (https://tools.ietf.org/html/rfc7807).