AttioAPIintegration&MCPserver

Deliver real-time CRM faster, close sales deals sooner, and scale without an integration backlog.

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Add Attio and 22 other pre-built CRM integrations

Real-time data to fuel countless CRM use cases

Power AI copilots, insights, predictive analysis, and automation with a modern integration infrastructure that scales alongside you.

crm

Generate Leads

Automate capturing leads and keep CRM information up-to-date.

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crm

Generate Insights

Pull CRM data to generate insights about customer behavior and preferences.

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crm

Score Leads

Analyze CRM data to automatically score and prioritize leads.

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Unified MCP

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HRIS Employee

CRM Event

CRM Contact

CRM Lead

CRM Company

CRM Deal

CRM Pipeline

Passthrough

HRIS Employee

CRM Event

CRM Contact

CRM Lead

CRM Company

CRM Deal

CRM Pipeline

Passthrough

Your customer's data

on Attio

Unified API data-models and methods

HRIS Employee

list get

CRM Event

list get create update remove

CRM Contact

list get create update remove

CRM Lead

list get create update remove

CRM Company

list get create update remove

CRM Deal

list get create update remove

CRM Pipeline

list get create update remove

Passthrough

get post put patch delete

85 Unified MCP tools

create a deal18 parameters

list all deals3 parameters

retrieve a deal2 parameters

update a deal19 parameters

remove a deal2 parameters

create a contact14 parameters

list all contacts3 parameters

retrieve a contact2 parameters

update a contact15 parameters

remove a contact2 parameters

create a company17 parameters

list all companies3 parameters

retrieve a company2 parameters

update a company18 parameters

remove a company2 parameters

create an event15 parameters

list all events4 parameters

retrieve an event2 parameters

update an event16 parameters

remove an event2 parameters

create a lead15 parameters

list all leads3 parameters

retrieve a lead2 parameters

update a lead16 parameters

remove a lead2 parameters

create a pipeline6 parameters

list all pipelines3 parameters

retrieve a pipeline2 parameters

update a pipeline7 parameters

remove a pipeline2 parameters

list all employees3 parameters

retrieve an employee2 parameters

list objects

create an object 1 parameter

get an object2 parameters

update an object3 parameters

list attributes7 parameters

create an attribute5 parameters

get an attribute6 parameters

update an attribute7 parameters

list select options7 parameters

create a select option7 parameters

update a select option9 parameters

list statuses7 parameters

create a status7 parameters

update a status9 parameters

list records6 parameters

create a record3 parameters

assert a record4 parameters

get a record4 parameters

update a record5 parameters

delete a record4 parameters

list record attribute values9 parameters

list record entries6 parameters

list all lists

create a list 1 parameter

get a list2 parameters

update a list3 parameters

list entries6 parameters

create an entry (add record to list)3 parameters

get a list entry4 parameters

update a list entry (append multiselect values)5 parameters

update a list entry (overwrite multiselect values)5 parameters

delete a list entry4 parameters

list attribute values for a list entry9 parameters

list workspace members

get a workspace member2 parameters

list notes4 parameters

create a note 1 parameter

get a note2 parameters

delete a note2 parameters

list tasks4 parameters

create a task 1 parameter

get a task2 parameters

delete a task2 parameters

list threads6 parameters

get a thread2 parameters

create a comment 1 parameter

get a comment2 parameters

delete a comment2 parameters

list webhooks2 parameters

create a webhook 1 parameter

get a webhook2 parameters

update a webhook3 parameters

delete a webhook2 parameters

The modern Unified API platform, built differently

Real-time, pass-through

Every request hits the source API live. No caching, no sync jobs, no stale data — just on-demand API reads/writes with native and virtual webhooks for instant updates.

Zero-storage by design

We never store end-customer data. Traffic is stateless and regionalized (US/EU/AU), reducing compliance scope and eliminating data-at-rest risk.

One API, deeply normalized

360+ integrations, 22 categories... Unified objects, endpoints, scopes, and errors—plus raw payload passthrough when you need provider-specific fields.

Custom fields & objects

Go beyond shallow schemas. We support custom fields and read/write on custom objects (e.g., Salesforce) via unified metadata APIs.

AI-ready integrations

Built for AI products: real-time streams for RAG/embeddings and Unified MCP tools that securely grant LLMs controlled integration access.

Predictable pricing, no lock-in

Transparent usage-based pricing that scales with API volume—not customers. Own your credentials and migrate anytime.

Add an Attio integration to your application in hours

1Test drive integrations

Effortlessly test API calls, explore endpoints, and try out the Attio integration using synthetic data in our Sandbox environment.

2Authorize connections

Drop in our Authorization component with a single line of code. Your users can then connect and grant access to their Attio data.

3Start making API calls

Use the Connection ID to interact with Attio via our unified API. We handle maintenance and updates so you can focus on your product.

Seamless Auth, no extra work

Unified.to removes the complexity of authentication and authorization so you can focus on building your product, not managing auth flows. Our pre-built UI and flexible API handle everything in the background—no extra setup required.

See documentation

React

React component React component source code

Trusted by global product companies and developers to power integrations for innovative AI and SaaS applications

5 stars on G2

Integrate with all the major crm applications

Unified.to makes it possible to integrate once to a unified API to connect with all the applications your customers use, so you can train AI models, build advanced automation, and expand your market.

Start testing for free