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Attio CRM API

CRM & Pipeline

Next-generation customizable CRM API for startups and modern sales teams.

Manage contacts, deals, company records, custom objects, pipeline stages, and ARR metrics with flexible data schemas.

Details

Auth Type
Bearer Token
Rate Limit
50 requests/sec
Pricing
Freemium / Paid
Full Docs
Step 1: Save your provider key

This is NOT your Callio key. Enter the API key from the provider's dashboard (e.g. OpenAI/SendGrid).

Bearer Token

1. Go to Attio Workspace Settings. 2. Click Developers → API Keys. 3. Create an API key with read/write permissions. 4. Paste the key here.

Get API Credentials

Getting Started

1

Try It Instantly

Click "Try It" above to test the API in the playground

2

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Sales pipeline tracking
CRM sync
Deal velocity metrics
Contact management

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://www.callio.dev/api/proxy/attio/forward?target=https%3A%2F%2Fapi.attio.com%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

Ready to integrate Attio CRM API?

Test endpoints live or generate your API key and start building in minutes

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