LinkedIn – Publishing

LinkedIn proxy: create a multi-photo object

Creates a LinkedIn multi-photo object from a list of digitalmediaAsset URNs (obtained via the /upload-media endpoint).

Returns the identifierUrn (urn:li:fsd_multiPhoto:…) which must be passed when creating a post that contains multiple images.

author_urn is the urn:li:fsd_profile:… of the connected account — retrieve it from the /me endpoint.

post/api/linkedin/{account_id}/create-multi-photo

Request

  • Base URL: https://api.reachmcp.com (the document declares no server; this is the origin it was published from)
  • URL: https://api.reachmcp.com/api/linkedin/{account_id}/create-multi-photo
  • Auth: API key in header X-API-Key

Path parameters

account_idinteger required

Request body

author_urnstring required

Author profile URN (e.g. urn:li:fsd_profile:…). Retrieve it from the /me endpoint.

media_urnsstring[] required

List of digitalmediaAsset URNs to include (e.g. [urn:li:digitalmediaAsset:…, …]).

alt_textsstring[] nullable

Alt text per image (same order as media_urns). Defaults to empty strings.

Response

Successful Response

identifier_urnstring required

Multi-photo URN (e.g. urn:li:fsd_multiPhoto:…). Pass this when creating a post with multiple images.

Changes

No recorded changes to this operation across all 1 revision of this API.