Docs

Upload a LinkedIn voice note

Guide: Campaigns
POST
/advanced/linkedin/audio

Converts an audio file (webm expected, 10 MB maximum, 5 minutes maximum) to m4a and returns a PUBLIC URL plus its duration IN MILLISECONDS, to use as an attachment with mediaType: "AUDIO" in a MESSAGE step.

Authorization

apiKey
Authorization<token>

Your 48 character API key, sent as is (a Bearer prefix is tolerated). Create it at https://v3.emelia.io/settings/api.

In: header

Request Body

multipart/form-data

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/advanced/linkedin/audio" \  -H "Authorization: YOUR_API_KEY" \  -F audio="string"
{  "success": true,  "audio": {    "duration": 32000,    "url": "https://eml-public.s3.eu-west-3.amazonaws.com/linkedin/audio/1760000000000_voice-note.m4a",    "name": "voice-note.m4a"  }}

POSTUpload message attachments

Uploads 1 to 3 files (20 MB maximum each) and returns their URLs, to reference in versions[].attachments of EMAIL, MESSAGE or WHATSAPP steps.

Legacy campaigns

The routes of the previous Emelia campaign system, email only or LinkedIn only. Deprecated, still working for existing integrations.