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POST
/
2
/
chat
/
media
/
upload
/
initialize
Initialize Chat Media Upload
curl --request POST \
  --url https://api.x.com/2/chat/media/upload/initialize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "conversation_id": "1603419216513746946:1603419216513746946",
  "total_bytes": 1
}
'
{
  "data": {
    "conversation_id": "1603419216513746946:1603419216513746946",
    "media_hash_key": "rByqeHiVlD",
    "session_id": "735401"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.x.com/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

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

Body

application/json

Request body for initializing a Chat media upload.

​
conversation_id
string

XChat conversation identifier for the upload.

Example:

"1603419216513746946:1603419216513746946"

​
total_bytes
integer

Total size of the media upload in bytes.

Required range: x >= 0

Response

The request has succeeded.

Response from initializing a Chat media upload.

​
data
object