Upload
Append Media Upload
Appends one segment of the file to a chunked upload. Send the segment base64-encoded in media (raw bytes in multipart bodies) and its position in the file in segment_index, counting from 0. A segment can be up to 8 MB; in a JSON body keep it to 4 MB or less, because base64 adds a third. After the last segment, call Finalize Media Upload.
POST
/
2
/
media
/
upload
/
{id}
/
append
Append Media Upload
curl --request POST \
--url https://api.x.com/2/media/upload/{id}/append \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"media": "<string>",
"segment_index": 4999
}
'import requests
url = "https://api.x.com/2/media/upload/{id}/append"
payload = {
"media": "<string>",
"segment_index": 4999
}
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({media: '<string>', segment_index: 4999})
};
fetch('https://api.x.com/2/media/upload/{id}/append', 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/{id}/append",
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([
'media' => '<string>',
'segment_index' => 4999
]),
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/{id}/append"
payload := strings.NewReader("{\n \"media\": \"<string>\",\n \"segment_index\": 4999\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/{id}/append")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"media\": \"<string>\",\n \"segment_index\": 4999\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.x.com/2/media/upload/{id}/append")
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 \"media\": \"<string>\",\n \"segment_index\": 4999\n}"
response = http.request(request)
puts response.read_body{
"data": {
"expires_at": 123
},
"errors": [
{
"detail": "<string>",
"resource_type": "<string>",
"title": "<string>",
"type": "https://api.x.com/2/problems/resource-not-found",
"parameter": "<string>",
"resource_id": "<string>",
"status": 123,
"value": "<string>"
}
]
}{
"code": 123,
"message": "<string>"
}Authorizations
OAuth2UserTokenUserToken
Body
application/jsonmultipart/form-data
Response
The request has succeeded.
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Show child attributes
Show child attributes
⌘I
Append Media Upload
curl --request POST \
--url https://api.x.com/2/media/upload/{id}/append \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"media": "<string>",
"segment_index": 4999
}
'import requests
url = "https://api.x.com/2/media/upload/{id}/append"
payload = {
"media": "<string>",
"segment_index": 4999
}
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({media: '<string>', segment_index: 4999})
};
fetch('https://api.x.com/2/media/upload/{id}/append', 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/{id}/append",
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([
'media' => '<string>',
'segment_index' => 4999
]),
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/{id}/append"
payload := strings.NewReader("{\n \"media\": \"<string>\",\n \"segment_index\": 4999\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/{id}/append")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"media\": \"<string>\",\n \"segment_index\": 4999\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.x.com/2/media/upload/{id}/append")
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 \"media\": \"<string>\",\n \"segment_index\": 4999\n}"
response = http.request(request)
puts response.read_body{
"data": {
"expires_at": 123
},
"errors": [
{
"detail": "<string>",
"resource_type": "<string>",
"title": "<string>",
"type": "https://api.x.com/2/problems/resource-not-found",
"parameter": "<string>",
"resource_id": "<string>",
"status": 123,
"value": "<string>"
}
]
}{
"code": 123,
"message": "<string>"
}