Inbox API Documentation & MCP Config | Salestools Club
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Sales Engagement

Inbox

The unified API and MCP server for managing X (Twitter) DMs.

Technical Feature Analysis

Inbox is built for AI-first teams, specifically for workflows where you want an AI agent to handle your Sales Engagement tasks. Instead of manual data entry, Inbox lets your AI "see" and "act" on your data directly through its REST.

Inbox provides a programmatic way to send and manage DM conversations across messaging platforms, starting with X. It offers a REST API for message automation, CRM synchronization, and AI-powered responses. With its native MCP server, you can connect tools like Claude Code directly to your Twitter DMs to automate outreach and support workflows.

The biggest win with Inbox is the ability to move from **Chat-to-Action**. By connecting it to your AI agent, you can automate without having to build a custom tech stack or hire a developer.

Direct Agent Workflow for Inbox

Connect: Give your Inbox Bearer Token to Claude Code, Cowork, or your favorite AI agent.

Automate: Your agent handles tasks directly.

Execute: No extra software or middleware required for Sales Engagement automation.

Use Inbox for
Technical Details
API Type
REST
Authentication
Bearer Token
Pricing Tier
Paid Only
SDK Languages
N/A
Webhooks
Yes

Frequently Asked Questions

What does Inbox do?

Inbox is a sales engagement tool that provides The unified API and MCP server for managing X (Twitter) DMs.

How do I use Inbox with AI agents?

Connect Inbox to agents like Claude Code or Cowork by using its REST and your Bearer Token keys. This allows your agent to perform tasks directly without needing extra software.

Is Inbox API free?

No, Inbox is a premium service. You can view their full pricing details at their official website.

What are the best alternatives to Inbox?

Based on features and use cases, the top alternatives to Inbox are HeyReach, MirrorProfiles, Agentforce SDR and Attentive.