Attio

Access the Attio REST API with managed OAuth authentication. Manage CRM objects, records, tasks, comments, and workspace data.

Quick Start

# List all objects in workspace
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/attio/v2/objects')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/attio/{native-api-path}

Replace {native-api-path} with the actual Attio API endpoint path. The gateway proxies requests to api.attio.com and automatically injects your OAuth token.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

1. Sign in or create an account at maton.ai
2. Go to maton.ai/settings
3. Copy your API key

Connection Management

Manage your Attio OAuth connections at https://ctrl.maton.ai.

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=attio&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'attio'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "67b77f19-206e-494c-82c2-8668396fc1f1",
    "status": "ACTIVE",
    "creation_time": "2026-02-06T03:13:17.061608Z",
    "last_updated_time": "2026-02-06T03:13:17.061617Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "attio",
    "metadata": {}
  }
}

Open the returned url in a browser to complete OAuth authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple Attio connections, specify which one to use with the Maton-Connection header:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/attio/v2/objects')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', '67b77f19-206e-494c-82c2-8668396fc1f1')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If omitted, the gateway uses the default (oldest) active connection.

API Reference

Objects

Objects are the schema definitions (like People, Companies, or custom objects).

List Objects

GET /attio/v2/objects

Returns all system-defined and custom objects in your workspace.

Get Object

GET /attio/v2/objects/{object}

Get a specific object by slug (e.g., people, companies) or UUID.

Attributes

Attributes define the fields on objects.

List Attributes

GET /attio/v2/objects/{object}/attributes

Returns all attributes for an object.

Records

Records are the actual data entries (people, companies, etc.).

Query Records

POST /attio/v2/objects/{object}/records/query
Content-Type: application/json

{
  "limit": 50,
  "offset": 0,
  "filter": {},
  "sorts": []
}

Query parameters in body:

• limit: Maximum results (default 500)
• offset: Number of results to skip
• filter: Filter criteria object
• sorts: Array of sort specifications

Get Record

GET /attio/v2/objects/{object}/records/{record_id}

Create Record

POST /attio/v2/objects/{object}/records
Content-Type: application/json

{
  "data": {
    "values": {
      "name": [{"first_name": "John", "last_name": "Doe", "full_name": "John Doe"}],
      "email_addresses": ["john@example.com"]
    }
  }
}

Note: For personal-name type attributes (like name on people), you must include full_name along with first_name and last_name.

Update Record

PATCH /attio/v2/objects/{object}/records/{record_id}
Content-Type: application/json

{
  "data": {
    "values": {
      "job_title": "Software Engineer"
    }
  }
}

Delete Record

DELETE /attio/v2/objects/{object}/records/{record_id}

Tasks

List Tasks

GET /attio/v2/tasks?limit=50

Query parameters:

• limit: Maximum results (default 500)
• offset: Number to skip
• sort: created_at:asc or created_at:desc
• linked_object: Filter by object type (e.g., people)
• linked_record_id: Filter by specific record
• assignee: Filter by assignee email/ID
• is_completed: Filter by completion status (true/false)

Get Task

GET /attio/v2/tasks/{task_id}

Create Task

POST /attio/v2/tasks
Content-Type: application/json

{
  "data": {
    "content": "Follow up with customer",
    "format": "plaintext",
    "deadline_at": "2026-02-15T00:00:00.000000000Z",
    "is_completed": false,
    "assignees": [],
    "linked_records": [
      {
        "target_object": "companies",
        "target_record_id": "16f2fc57-5d22-48b8-b9db-8b0e6d99e9bc"
      }
    ]
  }
}

Required fields: content, format, assignees

Update Task

PATCH /attio/v2/tasks/{task_id}
Content-Type: application/json

{
  "data": {
    "is_completed": true
  }
}

Delete Task

DELETE /attio/v2/tasks/{task_id}

Workspace Members

List Workspace Members

GET /attio/v2/workspace_members

Get Workspace Member

GET /attio/v2/workspace_members/{workspace_member_id}

Self (Token Info)

Identify Current Token

GET /attio/v2/self

Returns workspace info and OAuth scopes for the current access token.

Comments

Create Comment

POST /attio/v2/comments
Content-Type: application/json

{
  "data": {
    "format": "plaintext",
    "content": "This is a comment",
    "author": {
      "type": "workspace-member",
      "id": "{workspace_member_id}"
    },
    "record": {
      "object": "companies",
      "record_id": "{record_id}"
    }
  }
}

Lists (Requires list_configuration:read scope)

List All Lists

GET /attio/v2/lists

Notes (Requires note:read scope)

List Notes

GET /attio/v2/notes?limit=50

Query parameters:

• limit: Maximum results (default 10, max 50)
• offset: Number to skip
• parent_object: Object slug containing notes
• parent_record_id: Filter by specific record

Pagination

Attio supports two pagination methods:

Limit/Offset Pagination

GET /attio/v2/tasks?limit=50&offset=0
GET /attio/v2/tasks?limit=50&offset=50
GET /attio/v2/tasks?limit=50&offset=100

Cursor-Based Pagination (for some endpoints)

GET /attio/v2/meetings?limit=50
GET /attio/v2/meetings?limit=50&cursor={next_cursor}

Response includes pagination.next_cursor when more results exist.

Code Examples

JavaScript

// Query company records
const response = await fetch(
  'https://gateway.maton.ai/attio/v2/objects/companies/records/query',
  {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.MATON_API_KEY}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ limit: 10 })
  }
);
const data = await response.json();

Python

import os
import requests

# Query company records
response = requests.post(
    'https://gateway.maton.ai/attio/v2/objects/companies/records/query',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    json={'limit': 10}
)
data = response.json()

Notes

• Object slugs are lowercase snake_case (e.g., people, companies)
• Record IDs and other IDs are UUIDs
• For personal-name attributes, always include full_name when creating records
• Task creation requires format: "plaintext" and assignees array (can be empty)
• Some endpoints require additional OAuth scopes (lists, notes, webhooks)
• Rate limits: 100 read requests/second, 25 write requests/second
• IMPORTANT: When using curl commands, use curl -g when URLs contain brackets to disable glob parsing
• IMPORTANT: When piping curl output to jq or other commands, environment variables like $MATON_API_KEY may not expand correctly in some shell environments

Error Handling

Troubleshooting: Invalid API Key

When you receive a "Invalid API key" error, ALWAYS follow these steps before concluding there is an issue:

1. Check that the MATON_API_KEY environment variable is set:

echo $MATON_API_KEY

1. Verify the API key is valid by listing connections:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Insufficient Scopes

If you receive a 403 error about missing scopes, contact Maton support at support@maton.ai with the specific operations/APIs you need and your use-case.

Resources

• Attio API Overview
• Attio API Reference
• Records API
• Objects API
• Tasks API
• Rate Limiting
• Pagination