Social media inbox API

Zernio's social media inbox API brings comments, DMs, and reviews from 14 platforms into one inbox. Read and reply from your product with a single API.

Start building freeView API docs
  • 14 platforms
  • Comments, DMs & reviews
  • One API
All platformsAll profilesAll accounts

lauravisuals

· via @laura.visuals

Can you send me the guide?

2m

Marta Ruiz

· via #support

Can someone check this refund?

14m

Priya Raman

· via +1 415 555 0132

Following up on the demo

1h

Nate Ellis

· via @nate_builds

Sent you a DM about the API

2h

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

Warner Music Group
MoFlo
ClickUp
Readdy
RE/MAX
Moving Monkey®
Supported platforms

One API. 14 platforms

Manage comments, DMs, and reviews on 14 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 reply 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

Inbox

All

Comments

DMs

Reviews

lauravisuals

· Comment

Where can I get that vase? 😍

2m

Leah Marx

· DM

Do you ship to Berlin?

5m

Elias Duarte

· Review

★★★★★ Great service!

1h

Reply from one inbox

Comments, DMs, and reviews land in one format, whatever the platform. Answer any of them with one call.

Features

Everything you need to engage

Commented on your post

Where can I get that vase? 😍

Sent you a DM

Do you ship to Berlin?

Commented on your video

Tutorial please! 🙏

Comments & DMs in one feed

Read and reply to comments on 9 platforms and direct messages on 10, in one format.

Elias Duarte

Still warm on the way to work. Worth the queue.

Reply

Priya Raman

Recommends

Best sourdough in Barcelona, hands down.

Reply

Reviews

List and reply to Facebook page reviews and Google Business reviews.

Real-time webhooks

New comments, messages, and reviews pushed to your URL, with no polling loop to run.

Moderation

Hide, unhide, delete, or like comments across platforms.

Chatbot & CRM ready

Receive, process, reply. Build auto-replies or sync every conversation to your CRM.

For AI Agents

Your agent answers comments, DMs, and reviews

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 · 11 comments, 6 DMs · Instagram, WhatsApp

✓ replies drafted · nothing sent yet

Claude Code session
Beyond social

Unified inbox API to manage social, SMS, iMessage, and more

Is the blue one back in stock?
Yes! Want me to hold one for you?
10:43

WhatsApp

WhatsApp chats land next to your social DMs and comments.

SMS & iMessage

Text customers from a Zernio number. Replies land in the same inbox as social.

Leah Marx

· via +1 415 555 0100

Can you ship to Berlin?

now

+1 646 555 0142

· via +1 415 555 0100

Is my order ready to pick up?

2m

lauravisuals

· via @laura.visuals

Can you send me the guide?

1h

Diego

· via +44 20 7946 0100

Do you deliver on Saturdays?

3h
Marketing infrastructure

Everything social, not just the inbox

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

  • Posting API

    Publish, schedule, and manage content across 16 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
  • Messaging API

    Every DM, one API

    @leahmarx Ship to Berlin?

    @sofia In stock? 😍

    @casa.lumen Order update? 🙌

  • 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

  • Email API

    Read and send from Gmail and Outlook

    Lena FischerDemo on Thursday?
    now
    Contoso BillingInvoice INV-2041
    now
    northsupplyAny update on my order?
    9:40
  • Calendar API

    Events and open slots on every calendar

    Demo with Northwind

    Google Meet · 4 guests

    10:00

    Product review

    Teams · 6 guests

    12:00

    Free for everyone

    14:00 – 15:00 · 3 calendars

    Open
  • Files API

    Upload and share on Drive and OneDrive

    Launch photo.jpg
    Q4 report.pdf

Frequently asked questions

Manage your social inbox

Comments, DMs, and reviews across 14 platforms with one API.

Start for freeRead the docs
  • 14 platforms
  • Comments, DMs & reviews
  • One API