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What is Inbox?

Inbox is the command center for your DM conversations — a unified inbox that brings together X, Instagram, LinkedIn, TikTok, and WhatsApp in one place. Think Superhuman, but for direct messages. Your team manages all conversations from a single, fast interface. No more switching between apps. No more missed messages. The Inbox API extends this power to developers. Automate your outreach, sync with your CRM, build AI-powered responses — all while your team keeps the human touch through the Inbox interface. For teams:
  • One inbox for all platforms
  • Assign, tag, and track conversations
  • Pipeline stages for sales workflows
  • Real-time collaboration
For developers:
  • Programmatic access to all conversations
  • Send messages at scale
  • Sync data with external systems
  • Build custom integrations

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What You Can Build

Outreach Automation

Send personalized DMs to prospects. Import leads, craft templates, and let the API handle delivery.

CRM Integration

Sync conversations to HubSpot, Salesforce, or your internal tools. Keep your systems in sync.

AI-Powered Responses

Build intelligent auto-replies. Qualify leads, answer FAQs, and route complex queries to your team.

Custom Dashboards

Track response rates, measure team performance, and build analytics on top of your DM data.

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Get Started with the API

Prerequisites: An Inbox account with API access enabled. Set your API token: 
export INBOX_API_TOKEN="your_token_here"
Make your first request: 
curl https://inboxapp.com/api/v1/team \
  -H "Authorization: Bearer $INBOX_API_TOKEN"

Quickstart

Send your first DM in 5 minutes

Authentication

Get your API token

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Next Steps

Core Concepts

Understand threads, prospects, and the data model

API Reference

Explore all endpoints

Managing Threads

Work with conversations

Troubleshooting

Common issues and fixes

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Why Teams Choose Inbox

Stop switching between X, Instagram, and LinkedIn. Every DM in one place, with unified search and filtering.
Assign conversations, track who’s handling what, and collaborate without stepping on each other’s toes.
Everything you do in the UI, you can do via API. Automate the repetitive parts, keep the human touch for what matters.
Team management, audit logs, and security controls. Built for companies, not just solo users.