# Customerio

```json
{
  "name": "Customerio",
  "slug": "customerio",
  "url": "https://composio.dev/toolkits/customerio",
  "markdown_url": "https://composio.dev/toolkits/customerio.md",
  "logo_url": "https://logos.composio.dev/api/customerio",
  "categories": [
    "marketing & social media"
  ],
  "is_composio_managed": false,
  "updated_at": "2026-05-12T10:08:00.753Z"
}
```

![Customerio logo](https://logos.composio.dev/api/customerio)

## Description

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Customerio MCP or direct API to send targeted emails, create customer segments, trigger campaigns, and track user engagement through natural language.

## Summary

Customer.io is a customer engagement platform for targeted messaging across email, SMS, and push. Easily automate, segment, and track communications with your audience.

## Categories

- marketing & social media

## Toolkit Details

- Tools: 23

## Images

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

## Authentication

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

## Suggested Prompts

- List all segments in my workspace
- Get delivery metrics for last week's emails
- Show all people in VIP customer segment
- Retrieve all webhooks configured in workspace

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `CUSTOMERIO_ADD_PERSON_TO_GROUP` | Add Person to Group | Tool to add people to a group in Customer.io. Groups represent objects like companies, accounts, or projects that people belong to. Use when you need to establish relationships between people and organizational entities. |
| `CUSTOMERIO_CREATE_ALIAS` | Create Profile Alias | Tool to create an alias to merge multiple profiles in Customer.io. Use when you need to support multiple identifiers for a single person. The alias operation moves all data from the previous_id profile to the user_id profile, consolidating them into a single canonical profile. |
| `CUSTOMERIO_CUSTOMER_IO_SUPPRESS_PERSON` | Suppress Customer Profile | Suppress a customer profile to permanently delete it and prevent re-adding with the same identifier. IMPORTANT: This action requires Track API credentials (Basic Auth with siteId:apiKey), not App API credentials. Suppression also deletes the customer profile - you don't need to call a separate delete endpoint. Use this for GDPR/CCPA compliance requests. The operation is irreversible and prevents any future attempts to re-add a person with the same identifier (email or ID). |
| `CUSTOMERIO_GET_INTEGRATIONS` | Get Integrations | Tool to retrieve a list of integrations in your workspace. Use when you need to discover configured integrations. |
| `CUSTOMERIO_GET_MESSAGES` | Get Messages | Tool to retrieve a list of messages sent from your workspace. Use when you need paginated delivery metrics for messages, e.g., list email messages delivered between two timestamps. |
| `CUSTOMERIO_GET_SEGMENT_DETAILS` | Get Segment Details | Tool to retrieve details of a specific segment. Use after identifying the segment ID from list segments. |
| `CUSTOMERIO_GET_SEGMENT_MEMBERSHIP` | Get Segment Membership | Tool to retrieve people in a specific segment. Use when you need to page through segment membership after identifying segment ID. |
| `CUSTOMERIO_GET_SEGMENTS` | Get Segments | Tool to retrieve a list of segments in your workspace. Use when you need to fetch all segments after configuring segment rules. |
| `CUSTOMERIO_GET_TRIGGER` | Get Trigger | Retrieves details about a specific API-triggered broadcast, including trigger ID, campaign ID, creation timestamp, recipient filter criteria, and personalization data. Use this after triggering a broadcast to verify its configuration and check the data used for message personalization. |
| `CUSTOMERIO_GET_TRIGGERS` | Get Broadcast Triggers | Retrieve all API trigger instances for a specific broadcast/campaign. Returns trigger metadata including IDs, creation timestamps, and processing status. Use after triggering a broadcast to list all its trigger executions. |
| `CUSTOMERIO_GET_WEBHOOKS` | Get Customer.io Workspace Webhooks | Retrieves all reporting webhook configurations from the Customer.io workspace. Reporting webhooks send event notifications (message sent, opened, clicked, etc.) to your specified endpoints. Use this to list all configured webhooks and their settings including subscribed events, endpoints, and status. Returns an empty list if no webhooks are configured. |
| `CUSTOMERIO_IDENTIFY_PERSON` | Identify Person | Tool to identify a person and assign traits to them in Customer.io. Creates a new person profile if it doesn't exist, or updates an existing one. Use when adding new users, updating user profiles, or tracking anonymous visitors. Either user_id or anonymous_id must be provided. |
| `CUSTOMERIO_LIST_COLLECTIONS` | List Collections | Tool to list all Collections metadata. Use when you need to retrieve current details of each Collection in your workspace. |
| `CUSTOMERIO_LIST_IP_ADDRESSES` | List IP Addresses | Tool to retrieve the list of IP addresses used by Customer.io for sending messages. Use when you need to allowlist or configure firewall rules for Customer.io's sending infrastructure. |
| `CUSTOMERIO_LIST_NEWSLETTERS` | List Newsletters | Tool to list all newsletters. Use when paginating through newsletter metadata. |
| `CUSTOMERIO_LIST_SNIPPETS` | List Snippets | Tool to list all snippets in your workspace. Use when you need to retrieve all reusable content snippets for templating or dynamic content insertion. |
| `CUSTOMERIO_LIST_TRANSACTIONAL_MESSAGES` | List Transactional Messages | Lists all transactional message templates in your Customer.io workspace. Returns the ID and name (trigger name) for each template. Use this when you need to discover available transactional message templates or retrieve their IDs for sending messages via the API. |
| `CUSTOMERIO_SEND_BATCH` | Send Batch CDP Calls | Send multiple CDP calls (identify, track, page, screen, group, alias) in a single batch request. Use this to efficiently send multiple events or profile updates in one API call. The batch endpoint supports up to 500KB total with 32KB per individual call. Each call in the batch can be a different type (identify, track, page, screen, group, or alias). Requirements by call type: - identify/track/page/screen: Require userId or anonymousId - group: Requires groupId (and userId or anonymousId) - track: Requires event name - alias: Requires userId and previousId Note: This action uses the CDP API base URL (https://cdp.customer.io/v1) which differs from the Track API base URL used by some other Customer.io actions. |
| `CUSTOMERIO_TRACK_EVENT` | Track Event | Tool to send an event associated with a person in Customer.io. Records actions users take, along with properties that describe the action. Use when you need to track user behavior, conversions, or custom events for segmentation and campaigns. |
| `CUSTOMERIO_TRACK_PAGE` | Track Page View | Tool to track page view events for website visitors in Customer.io. Use when recording user navigation or page impressions on your website. IMPORTANT: This action requires CDP API credentials (Bearer token), not Track API or App API credentials. Either user_id or anonymous_id must be provided to identify the viewer. Include properties like url, title, and path to enrich analytics and segmentation capabilities. |
| `CUSTOMERIO_TRACK_SCREEN` | Track Screen View | Track mobile screen views in Customer.io for analytics and user journey tracking. Records when a user views a screen in your mobile app. Use this when you need to: - Track user navigation patterns in mobile apps - Record screen views for engagement analytics - Trigger workflows based on specific screen visits - Build user journey maps based on screen flow Requirements: - Provide either userId (for known users) or anonymousId (for anonymous users) - Screen name is required to identify which screen was viewed - Optionally include properties for additional context (platform, category, etc.) Note: This endpoint uses the CDP API (cdp.customer.io), not the standard App API. |
| `CUSTOMERIO_TRIGGER_BROADCAST` | Trigger Broadcast | Manually trigger a Customer.io broadcast/campaign to send messages to a defined audience. Use this when you need to: - Send a pre-configured broadcast to specific recipients (by ID or email) - Override the broadcast's default UI-defined audience with custom filtering - Provide personalization data for Liquid template variables - Send individualized content using per_user_data Requirements: - broadcast_id: Must be a valid broadcast ID from Customer.io (find in broadcast's Triggering Details) - Audience: Provide exactly ONE of: recipients, ids, emails, per_user_data, or data_file_url Rate Limits: This endpoint allows one request every 10 seconds per broadcast. |
| `CUSTOMERIO_UNSUBSCRIBE_DELIVERY` | Unsubscribe from Delivery | Tool to handle custom unsubscribe requests for email deliveries in Customer.io. Use when you need to unsubscribe a person from emails and attribute the action to a specific delivery. IMPORTANT: This action requires Track API credentials (Basic Auth with siteId:apiKey), not App API credentials. The unsubscribe action sets the person's unsubscribed attribute to true. |

## 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 Customerio Tools via Tool Router with Your Agent

Get tools from Tool Router session and execute Customerio actions with your Agent
```python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'List all segments with more than 1000 members'
  }]
)
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: 'List all segments with more than 1000 members'
  }],
});
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 Customerio tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Get messages sent in the last 24 hours from Customer.io')
        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: 'Get messages sent in the last 24 hours from Customer.io' }],
  stopWhen: stepCountIs( 5 )
});

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

## Why Use Composio?

### 1. AI Native Customerio Integration

- Supports both Customerio MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Customerio data

### 2. Managed Auth

- Built-in API Key management with automatic credential rotation
- Central place to manage, scope, and revoke Customerio access
- Per user and per environment credentials instead of hard-coded keys

### 3. Agent Optimized Design

- Tools are tuned using real error and success rates to improve reliability over time
- Comprehensive execution logs so you always know what ran, when, and on whose behalf

### 4. Enterprise Grade Security

- Fine-grained RBAC so you control which agents and users can access Customerio
- Scoped, least privilege access to Customerio resources
- Full audit trail of agent actions to support review and compliance

## Use Customerio with any AI Agent Framework

Choose a framework you want to connect Customerio with:

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

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## Frequently Asked Questions

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

Yes, Customerio 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)