Attio CRM

Flexible, API-first CRM with a configurable data model and relationship intelligence that tracks contacts, companies, and deals with real-time collaboration and workspace sync.

Evaluated Mar 06, 2026 (0d ago) vcurrent
Homepage ↗ Other crm contacts companies deals pipeline flexible-data-model relationship-intelligence api-first
⚙ Agent Friendliness
84
/ 100
Can an agent use this?
🔒 Security
88
/ 100
Is it safe for agents?
⚡ Reliability
82
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
78
Documentation
87
Error Messages
84
Auth Simplicity
85
Rate Limits
86

🔒 Security

TLS Enforcement
100
Auth Strength
85
Scope Granularity
88
Dep. Hygiene
82
Secret Handling
83

OAuth 2.0 with fine-grained scopes per object type is a strong auth model for CRM data. SOC2 Type II certified. GDPR compliant with EU data residency option. MCP server is third-party maintained — review before use.

⚡ Reliability

Uptime/SLA
85
Version Stability
82
Breaking Changes
80
Error Recovery
83
AF Security Reliability

Best When

You need a highly flexible, API-first CRM where agents and automations are first-class citizens for enriching records, tracking relationships, and triggering workflows.

Avoid When

Your team needs a mature enterprise CRM with deep legacy integrations, advanced forecasting, or large partner ecosystem of out-of-the-box connectors.

Use Cases

  • Automatically enrich CRM records with agent-gathered data (news, LinkedIn signals, product usage) by writing attributes via the REST API
  • Query Attio to identify high-priority leads for agent outreach sequences based on custom scoring attributes the agent has written
  • Create and update deal records programmatically as an agent progresses prospects through a pipeline based on email or calendar activity
  • Sync data between Attio and other tools by reading lists and records through the API to power downstream agent workflows
  • Trigger agent workflows when specific CRM events occur (deal stage changes, attribute updates) via Attio webhooks

Not For

  • Enterprise sales organizations requiring deep CPQ, forecasting, or ERP integrations out of the box — Salesforce or HubSpot are better fits
  • Support ticketing or customer success workflows — Attio is focused on sales and relationship intelligence, not support queue management
  • Teams needing extensive marketing automation built into the CRM — Attio integrates with marketing tools but does not replace them

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
Yes

Authentication

Methods: oauth2 api_key
OAuth: Yes Scopes: Yes

OAuth 2.0 for user-authorized integrations with fine-grained scopes per object type (contacts, companies, deals, notes, tasks). API keys available for server-to-server access. Scopes are read/write separated per resource.

Pricing

Model: subscription
Free tier: Yes
Requires CC: No

API rate limits are higher on paid plans. Free plan allows full API access which is notable for testing agent integrations without commitment.

Agent Metadata

Pagination
cursor
Idempotent
Partial
Retry Guidance
Documented

Known Gotchas

  • Attio's flexible data model uses object type slugs and attribute slugs that must be known ahead of time — agents should introspect the workspace schema via the /objects and /attributes endpoints before writing data
  • Writing to relationship attributes (e.g., linking a contact to a company) requires knowing the internal record ID, not just the name — agents must resolve names to IDs before building relationship payloads
  • Webhook deliveries use at-least-once semantics — agents receiving Attio webhooks must implement idempotency using the event ID to avoid processing duplicate events
  • Custom attributes created in the UI may change slugs if renamed — agent code hardcoding attribute slugs will break silently if a workspace admin renames fields
  • The MCP server provides read/write access to the full workspace — scope it carefully to avoid agents inadvertently modifying or deleting CRM records

Alternatives

Full Evaluation Report

Comprehensive deep-dive: security analysis, reliability audit, agent experience review, cost modeling, competitive positioning, and improvement roadmap for Attio CRM.

AI-powered analysis · PDF + markdown · Delivered within 30 minutes

$99

Package Brief

Quick verdict, integration guide, cost projections, gotchas with workarounds, and alternatives comparison.

Delivered within 10 minutes

$3

Score Monitoring

Get alerted when this package's AF, security, or reliability scores change significantly. Stay ahead of regressions.

Continuous monitoring

$3/mo

Scores are editorial opinions as of 2026-03-06.

5382
Packages Evaluated
26151
Need Evaluation
173
Need Re-evaluation
Community Powered