Attio

Modern CRM with a public REST API for custom workflows

CRM APIs
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What is Attio?

Attio is a modern CRM platform built around 'agentic revenue'—automating sales and revenue operations through AI agents. It features a customizable data model (custom objects vs. fixed company/contact/deal schemas), Universal Context that consolidates emails, calls, product usage, and billing data automatically, and AI-powered capabilities like Ask Attio for analysis and content creation.

Attio news

  1. Activities feature launched

    New Activities feature to capture anything that moves a deal.

    Source: Attio Changelog ↗
  2. MCP Server integration

    Attio released an MCP server for connecting Attio with external AI tools like Claude.

    Source: SparrowCRM ↗
  3. Web Research Agent improvements

    Enhanced Web Research Agent capabilities for record enrichment.

    Source: SparrowCRM ↗
  4. Files API released

    New Files API for managing files through the API.

    Source: SparrowCRM ↗

Key features

Universal Context

Consolidates emails, calls, records, product usage, and billing data automatically. Logs 15M emails/day synced and provides real-time reporting and forecasts.

Ask Attio

AI-powered chat for analysis and content creation, with seat credits included (100/seat/month on Free, 500/seat/month on Plus, 1,000/seat/month on Pro, 1,500+/seat/month on Ultra).

Custom Objects & Flexible Data Model

Build your own CRM schema rather than inherit fixed templates. Free plan includes 3 objects, Plus 5, Pro 12, Ultra unlimited.

Workflow Automation & Agents

Native AI agents (Web Research Agent, Custom Agents, Classify Record Agent) for automation, enrichment, and workflow execution. 30M MCP tool calls/month capacity.

REST API & Developer Platform

Public REST API on all plans (100 read/25 write requests per second), App SDK (TypeScript/React), MCP server, and SQL access (on Ultra). Rate limits: HTTP 429 when exceeded.

Email & Calendar Sync

1 account per user (Free, Plus, Pro), 3+ accounts (Enterprise). Email sharing controls, auto-labeling, auto-summaries.

Integrations

~200+ apps including Claude, Slack, Notion, Linear, Stripe, Clay, Zapier, Make, Pipedream, Aircall, Granola, PandaDoc.

Call Intelligence

Record calls with AI-powered transcripts and insights (Pro/Ultra plans).

Reporting

Free: 3 reports; Plus: 15; Pro: 100; Enterprise: 100+. Includes funnel reports, insight reports, and segmentation.

Attio pricing

Attio uses a workspace + per-seat model with monthly or annual billing (20% discount annually). All plans include API access on every tier. Workspace credits for automations/AI included; additional records available at £180/month per 1M.

PlanPriceWhat's included
Free£0/monthUp to 3 users, Ask Attio (100 seat credits/month), email/calendar sync (1 account), workflows, 50k records, 3 objects, 250 workspace credits/month
Plus£38/month per workspace (includes 1 user) + £27/month per additional user (annual)Small teams up to 10 seats, email sharing, 1,000 emails/month, 500 seat credits/month, up to 1,500 workspace credits/month (purchase more), 250k records, 5 objects
Pro£90/month per workspace (includes 1 user) + £59/month per additional user (annual)Most popular plan, custom objects, call intelligence, sequences, advanced reporting (100 reports), 1,000 seat credits/month, up to 1,500 workspace credits/month (purchase more), 1M records, 12 objects
Ultra£750/month per workspace (includes 5 users, annual billing only) + £142/month per additional userEnterprise features, unlimited objects, SQL access, data connectors, single sign-on (SSO), audit logs, 1,500+ seat credits/month, 3M records
EnterpriseCustom pricingMigration service, talk to sales

Pros & cons

Pros

  • + Modern, clean interface with genuinely updated UX vs. legacy CRMs
  • + Flexible, customizable data model—build your own schema rather than inherit fixed templates
  • + Strong AI integration (Ask Attio, Web Research Agent, Custom Agents) for enrichment and automation
  • + Public REST API on all plans; no API lock-in to higher tiers
  • + Excellent for teams that want to design their own revenue workflows
  • + Quick to adopt for small teams and founders
  • + Production-grade scale: 2.6B API requests/month, 76k active customer agents
  • + Comprehensive developer platform: REST API, App SDK (TypeScript/React), MCP, SQL

Cons

  • − Key sales features (call intelligence, sequences, advanced reporting) sit behind higher tiers
  • − Complex pricing structure with multiple credit types (seat credits, workspace credits)
  • − Per-user seat pricing can scale quickly for larger teams
  • − Limited product catalog / quote/CPQ features—not first-class
  • − Territory management is not a native concept; modeled as custom objects
  • − Best fit for teams willing to build their own workflows; not pre-templated like HubSpot

Who is Attio best for?

  • • Small and growing B2B sales/GTM teams (5–50 seats)
  • • Founders and early-stage companies wanting quick CRM adoption
  • • Sales teams that rely heavily on email and relationship history
  • • Teams wanting a customizable, flexible CRM data model
  • • Companies interested in AI-powered enrichment and automation (agents, web research)
  • • Dev-first teams comfortable building custom workflows via API, SDK, or MCP

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