XreplyAIDevelopers
API ReferenceMedia Uploads

Presign a YouTube video upload

Requires scope: `publish:write`. Returns a presigned URL to PUT a video (max 4 GB) directly to storage, plus the `r2_key`.

POST
/youtube/uploads/presign

Authorization

ApiKey
AuthorizationBearer <token>

A personal API key created in the dashboard (Starter, Pro, and Team plans).

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/youtube/uploads/presign" \  -H "Content-Type: application/json" \  -d '{    "content_type": "string",    "file_size": 0  }'
{  "upload_url": "string",  "r2_key": "string"}

Presign an X (Twitter) video upload GET

Requires scope: `publish:write`. Returns a presigned URL to PUT a video (max 500 MB, `video/mp4`) directly to storage, plus the `r2_key` to reference afterward. At publish time the video is uploaded to X via the v2 chunked flow (`media_category=tweet_video`); X enforces a 140-second duration cap.

Presign a Tumblr media upload GET

Requires scope: `publish:write`. Returns a presigned URL to PUT media directly to storage, plus the `r2_key`.