Social media DM API

Zernio's direct messaging API lets you send and receive DMs across 10 platforms. Build customer support, chatbots, and notifications with a unified messaging API.

  • 10 platforms
  • Real-time webhooks
  • One API

priya.raman

Thanks, got it! · 3h

elias.duarte

Is the shop open Sunday? · 6h

nadia.okafor

Love the new drop · 1d

@leahmarx Do you ship to Berlin?

@sofia Still in stock? 😍

@andrewww_ Where's my order? 🙌

Join 200,000+ of the world's most ambitious developers and builders

Warner Music Group
ClickUp
Vibiz
RE/MAX
Heymark
Holo
Supported platforms

One API. 10 platforms

Send and receive direct messages on 10 platforms from one API

  • Reels
  • Stories
  • Carousels
  • Comments
  • DMs
  • Ads

Reels, stories, and DMs in one API

Publish, then answer the comments and DMs.

Explore Instagram
How it works

From signup to first message in three steps

1

Key name

e.g., Production API key

Permission

Read & write

Read only

Profile access

Full access (all profiles)

Create key

Get your API key

Sign up free, generate a key from the dashboard. First 2 social accounts free, unlimited posts.

2

Profile

Defaultdefault

Instagram

TikTok

X

LinkedIn

Facebook

Threads

YouTube

Pinterest

Bluesky

Reddit

Snapchat

Discord

WhatsApp

Telegram

Slack

iMessage

Google Business

Connect social accounts

Link accounts via OAuth. Each gets a unique ID for API calls.

3

lauravisuals

Replying as @kestrel.studio · Active now

Today

Hi! Can you send me the guide?

10:42

Sure! Here it is: kestrel.studio/guide

10:43

Got it, thank you!

10:44

Send & receive

List conversations and send replies, or get every new message pushed to your webhook.

Features

Everything you need to message

All platforms

Facebook

Instagram

X

Bluesky

Reddit

Telegram

WhatsApp

Slack

iMessage

TikTok

Send & receive messages

Text on all 10 platforms, plus images, video, and files wherever the platform allows them.

lauravisuals

@laura.visuals

Can I get the guide?
Sure! Here it is: kestrel.studio/guide
Got it, thank you! 🙌

Conversation threads

Messages grouped by conversation, with participant metadata and archiving.

Real-time webhooks

New messages pushed as they arrive on Facebook, Instagram, WhatsApp, iMessage, Telegram, Slack, and TikTok.

Interactive messages

Quick replies, buttons, and templates on Meta, WhatsApp, and Telegram.

Chatbot ready

Receive a message, process it, send a reply. Built for automated workflows.

For AI Agents

Your agent reads and answers every DM

496 tools on one OAuth connection. Nothing to install, nothing to self-host.

Know more

› claude

Claude Code v2.1.19

Opus 4.5 · Claude Max

~/software

›

✓ registered · https://mcp.zernio.com/mcp

✓ signed in over OAuth · no key pasted

✓ call_tool · 8 unread chats · Instagram, WhatsApp

✓ replies drafted · nothing sent yet

Claude Code session
Social media API

Everything social, not just DMs

Posting, comments, analytics, and ads run on the same API and the same connected accounts.

Posting API

Publish, schedule, and manage content across 17 platforms

Simon Fairhurst@siimonfairhurst
Ads API

Campaigns, boosts, and ad analytics in one API

Meta Ads

Pricing launch

$412

Summer Sale

$40/day

Active

Retargeting

$30/day

Paused
Analytics API

Every metric, one endpoint

Views18.4K
Likes3,410
Views31.9K
Comments58
Total reach · last 7 days184.6K+12.4%
Comments API

Moderate every comment

sarah.klein

Does this cover Threads as well?

ReplyDMHide

lauravisuals

Shipped our whole calendar with this 🙌

ReplyDMHide

nate_builds

Any way to schedule a carousel?

ReplyDMHide
Comments to DM API

Turn comments into DMs

@lucia_dev Guide 🙌

@andrewww_ Guide

lucia_dev

Here's the guide 👇 · now

andrewww_

Here's the guide 👇 · 1m

Scheduler API

Schedule posts in every timezone

Simon Fairhurst@siimonfairhurst

Q3 recap is live 📈 Everything we shipped this quarter, in one place.

Tue, Oct 14 · 09:00

Inbox API

One inbox for comments, DMs, and reviews

All platformsAll profilesAll accounts

Olly Bennett

· via +44 7700 900456

Are you open on Sunday?

2m

Diego

· via +1 646 555 0199

Is my order ready to pick up?

6m

Nadia Okafor

· via @nadia.okafor

Love the new drop 😍

9m

Vela Notifications

· via #orders

New order #4821 from Lisbon

20m

Elias Duarte

· via Google review

★★★★★ Worth the queue

1h

Frequently asked questions

Build with the DMs API

Send and receive messages across 10 platforms with one integration.

  • 10 platforms
  • Real-time webhooks
  • One API