Upload a Mastodon image
Requires scope: `publish:write`. Uploads a base64 image and returns a media reference for use in a post's metadata.
Authorization
ApiKey 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.
media is accepted as an alias for image; when both are present, media wins.
Response Body
application/json
application/json
application/json
application/json
curl -X POST "https://example.com/mastodon/media_uploads" \ -H "Content-Type: application/json" \ -d '{ "content_type": "string" }'{}Upload a Bluesky image POST
Requires scope: `publish:write`. Uploads a base64 image and returns a blob reference for use in a post's metadata.
Upload a LinkedIn image POST
Requires scope: `publish:write`. Uploads a base64 image and returns an `asset_urn` for use in a post's metadata. Asset URNs are scoped to the uploading account — pass `social_account_id` when the user has more than one LinkedIn account connected.