# Kickbox

```json
{
  "name": "Kickbox",
  "slug": "kickbox",
  "url": "https://composio.dev/toolkits/kickbox",
  "markdown_url": "https://composio.dev/toolkits/kickbox.md",
  "logo_url": "https://logos.composio.dev/api/kickbox",
  "categories": [
    "marketing & social media"
  ],
  "is_composio_managed": false,
  "updated_at": "2026-05-12T10:16:48.492Z"
}
```

![Kickbox logo](https://logos.composio.dev/api/kickbox)

## Description

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Kickbox MCP or direct API to verify email addresses, clean mailing lists, score email quality, and reduce bounce rates through natural language.

## Summary

Kickbox is a real-time email verification and list cleaning service. It helps ensure your emails reach real, active inboxes and improves deliverability.

## Categories

- marketing & social media

## Toolkit Details

- Tools: 2

## Images

- Logo: https://logos.composio.dev/api/kickbox

## Authentication

- **Api Key**
  - Type: `api_key`
  - Description: Api Key authentication for Kickbox.
  - Setup:
    - Configure Api Key credentials for Kickbox.
    - Use the credentials when creating an auth config in Composio.

## Suggested Prompts

- Check if this email is valid
- Verify deliverability of a customer email
- Validate new sign-up email address
- Score an email before sending campaign

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `KICKBOX_CHECK_DISPOSABLE` | Check Disposable Email | Tool to check if an email address or domain is from a disposable email service. Use when you need to validate whether an email is temporary or throwaway (e.g., mailinator.com, trashmail.com). This is a free public endpoint that does not require authentication. |
| `KICKBOX_KICKBOX_SINGLE_VERIFICATION_API` | Kickbox Single Verification | Tool to verify a single email address via Kickbox. Use when you need real-time validation of an individual email before critical workflows. |

## Supported Triggers

None listed.

## Installation and MCP Setup

### Path 1: SDK Installation

#### Path 1, Step 1: Install Composio

Install the Composio SDK
```python
pip install composio_openai
```

```typescript
npm install @composio/openai
```

#### Path 1, Step 2: Initialize Composio and Create Tool Router Session

Import and initialize Composio client, then create a Tool Router session
```python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()
session = composio.create(user_id='your-user-id')
```

```typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
```

#### Path 1, Step 3: Execute Kickbox Tools via Tool Router with Your Agent

Get tools from Tool Router session and execute Kickbox actions with your Agent
```python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'Verify if john.doe@email.com is a valid email address'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
```

```typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Verify if john.doe@email.com is a valid email address'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
```

### Path 2: MCP Server Setup

#### Path 2, Step 1: Install Composio

Install the Composio SDK and Claude Agent SDK
```python
pip install composio claude-agent-sdk
```

```typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
```

#### Path 2, Step 2: Create Tool Router Session

Initialize the Composio client and create a Tool Router session
```python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
```

```typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });

console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);
```

#### Path 2, Step 3: Connect to AI Agent

Use the MCP server with your AI agent
```python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Kickbox tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Verify if john.doe@email.com is deliverable')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
```

```typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: mcp.url,
    headers: { 'x-api-key': 'your-composio-api-key' }
  }
});

const tools = await client.tools();

const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{ role: 'user', content: 'Verify if john.doe@email.com is deliverable' }],
  stopWhen: stepCountIs( 5 )
});

console.log(`Agent: ${text}`);
```

## Why Use Composio?

### 1. AI Native Kickbox Integration

- Supports both Kickbox MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for email verification, list cleaning, and quality scoring

### 2. Managed Auth

- Built-in API key management with automatic rotation
- Central place to manage and revoke Kickbox credentials
- Per user and per environment keys instead of hard-coding

### 3. Agent Optimized Design

- Tools are tuned using real error and success rates to maximize reliability
- Comprehensive logs so you always know which emails were verified and when

### 4. Enterprise Grade Security

- Fine-grained RBAC lets you control which agents can access Kickbox
- Scoped, least privilege access to Kickbox resources
- Full audit trail of agent actions for review and compliance

## Use Kickbox with any AI Agent Framework

Choose a framework you want to connect Kickbox with:

- [OpenAI Agents SDK](https://composio.dev/toolkits/kickbox/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/kickbox/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/kickbox/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/kickbox/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/kickbox/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/kickbox/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/kickbox/framework/hermes-agent)
- [Google ADK](https://composio.dev/toolkits/kickbox/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/kickbox/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/kickbox/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/kickbox/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/kickbox/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/kickbox/framework/crew-ai)
- [Pydantic AI](https://composio.dev/toolkits/kickbox/framework/pydantic-ai)
- [AutoGen](https://composio.dev/toolkits/kickbox/framework/autogen)

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- [Cardly](https://composio.dev/toolkits/cardly) - Cardly is a platform for creating and sending personalized direct mail to customers. It helps businesses break through the digital clutter by getting real engagement via physical mailboxes.
- [ClickSend](https://composio.dev/toolkits/clicksend) - ClickSend is a cloud-based SMS and email marketing platform for businesses. It streamlines communication by enabling quick message delivery and contact management.
- [Crustdata](https://composio.dev/toolkits/crustdata) - CrustData is an AI-powered data intelligence platform for real-time company and people data. It helps B2B sales teams, AI SDRs, and investors react to live business signals.
- [Curated](https://composio.dev/toolkits/curated) - Curated is a platform for collecting, curating, and publishing newsletters. It streamlines content aggregation and distribution for creators and teams.
- [Customerio](https://composio.dev/toolkits/customerio) - Customer.io is a customer engagement platform for targeted messaging across email, SMS, and push. Easily automate, segment, and track communications with your audience.
- [Cutt ly](https://composio.dev/toolkits/cutt_ly) - Cutt.ly is a URL shortening service for managing and analyzing links. Streamline your workflows with quick, trackable, and branded short URLs.
- [Demio](https://composio.dev/toolkits/demio) - Demio is webinar software built for marketers, offering both live and automated sessions with interactive features. It helps teams engage audiences and optimize lead generation through detailed analytics.

## Frequently Asked Questions

### Do I need my own developer credentials to use Kickbox with Composio?

Yes, Kickbox requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

### Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. [Learn more](https://docs.composio.dev/tool-router/overview).

### Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. [Learn more](https://trust.composio.dev).

### What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

---
[See all toolkits](https://composio.dev/toolkits) · [Composio docs](https://docs.composio.dev/llms.txt)