One API to publish on every network
Set it up in 5 minutes and publish today on every network from a single API.
Text, images, videos, carousels, reels, stories and threads in a single request. We adapt the format to each network and tell you when it is live.
{
"content": "New collection available 🍂",
"media": [
{
"type": "video",
"url": "https://cdn.acme.com/collection.mp4"
}
],
"targets": [
{
"accountId": "acc_instagram",
"instagram": {
"format": "reel",
"firstComment": "Shop here 👉 acme.com/autumn"
}
},
{
"accountId": "acc_linkedin"
}
],
"scheduledFor": "2026-11-03T09:00:00+01:00"
}{
"data": {
"id": "pst_9f2a",
"status": "scheduled",
"scheduledFor": "2026-11-03T08:00:00.000Z"
}
}Up and running in three steps
- 1
Create your API key
Sign up and generate the key in the dashboard. No card.
- 2
Connect the accounts
You or your clients connect each network with OAuth from a screen with your brand.
- 3
Publish
One request with the content and the channels. The result arrives by webhook.
Everything it includes
All of this comes with your account, no plans: you only pay for what you use.
Every format
Images, videos, carousels, reels, shorts, stories, threads and documents.
Get started →Per-network settings
One shared text and, if you want, a different version for each network.
Get started →Media hosting
Upload files to Marsial and we optimise them for each platform.
Get started →First comment
Post the link or the hashtags as the first comment.
Get started →Webhooks
post.published, post.failed and the final link of every post.
Get started →n8n, Make and Zapier
Use it from your automations too, without writing code.
Get started →Ask your agent
Everything the API does is available on our MCP server. Your agent prepares it, you approve it and we run it.
› Publish the collection video on Instagram, TikTok and LinkedIn tomorrow at 9:00 with a text adapted to each network.
- Reads the connected accounts
- Drafts a text per network
- Asks for your approval
- Schedules the post
⏸ Waiting for your approval…
Frequently asked questions
How many networks can I use in one request?
All the ones you have connected. Each one is published independently.
What if one network fails?
The rest are published anyway. We retry the failed one and send you the reason by webhook if it cannot go out.
Can I edit or delete a post?
Yes, on the networks that allow it, with the same API.
Start today with a single integration
Create your account in a minute, no card needed. Try it free for 7 days from your first post.