Customer.io

Live 48 Actions

Customer.io connector for AI agents

Connect your AI agent to Customer.io with 48 production-ready actions via MCP, A2A, or API. Managed auth and built-in security.

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StackOne AI Agent Actions
for Customer.io.

48 production-ready actions for your agent to do more on Customer.io.

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48 Actions

List Activities - List all activities in the workspace

List Broadcasts - List all broadcasts in the workspace

Get Broadcast - Retrieve a specific broadcast by ID

Get Broadcast Metrics - Get metrics for a broadcast

List Broadcast Actions - List all actions in a broadcast

Get Broadcast Triggers - Get trigger history for a broadcast

List Campaigns - List all campaigns in the workspace

Get Campaign - Retrieve a specific campaign by ID

Get Campaign Metrics - Get metrics for a campaign

List Campaign Actions - List all actions in a campaign

Get Customers By Email - Get customers by email address

Search For Customers - Search for customers using advanced filters

Lookup A Customer's Attributes - Get attributes for a specific customer

Lookup A Customer's Segments - Get segments a customer belongs to

Lookup Messages Sent To A Customer - Get messages sent to a customer

Lookup A Customer's Activities - Get activities for a customer

Lookup A Customer's Relationships - Get relationships for a specific customer

List Customers, Attributes, And Devices - List customers with their attributes and devices

List Messages - List all messages in the workspace

Get Message - Retrieve a specific message by ID

List Newsletters - List all newsletters in the workspace

Get Newsletter - Retrieve a specific newsletter by ID

Get Newsletter Metrics - Get metrics for a newsletter

Delete A Newsletter - Delete a specific newsletter

Get Newsletter Link Metrics - Get link click metrics for a newsletter

List Segments - List all segments in the workspace

Get Segment - Retrieve a specific segment by ID

Delete A Segment - Delete a specific segment

Get A Segment Customer Count - Get the total number of customers in a segment

List Customers In A Segment - List all customers in a specific segment

List Sender Identities - List all sender identities in the workspace

Get Sender Identity - Retrieve a specific sender identity by ID

List Snippets - List all snippets in the workspace

Create Snippet - Create a new snippet

Update Snippet - Create or update a snippet

Delete Snippet - Delete a snippet

Get Account Region - Find your account region

Add Or Update A Customer - Add or update a customer

Delete A Customer - Delete a customer

Merge Duplicate People - Merge duplicate customers

Add Or Update A Customer Device - Add or update a customer device

Delete A Customer Device - Delete a customer device

Track Customer Event - Track an event for a customer

Track Anonymous Event - Track an event for an anonymous user

Add Customers To Segment - Add customers to a manual segment

Remove Customers From Segment - Remove customers from a manual segment

Suppress A Customer Profile - Suppress a customer profile

Unsuppress A Customer Profile - Unsuppress a customer profile

Falcon

Make your Customer.io agents perform.

Every Customer.io action runs on Falcon.

Falcon, StackOne's execution engine, makes your agents fast, accurate, and reliable.

Explore Falcon Engine

StackOne Defender

88.7% attack detection accuracy.

Built in the StackOne platform.

StackOne Defender scans and classifies every Customer.io payload before it reaches your agent, with precision and latency no other solution can match.

Tool Call Defense Performance 10 Real Attack Examples

StackOne Platform

Do More, Build Less.

Managed Integration Infrastructure for Customer.io AI Agents.

Connectors & Actions

200+ Connectors. 10,000+ Actions.

Multiple Interfaces

Access integrations via API, AI SDKs, MCP & A2A.

Managed Authentication

Pre-built authentication UI.

Enterprise-Ready

Enterprise-Ready architecture.

"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."

Luna Schmid, Partner at GV

"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."

Barbry McGann, SVP at Workday Ventures

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Resources

Learn How to Improve Agentic Performance.

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MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

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