Customer Relationship Management

Manage your customers with lists that work

Organize customers into smart lists. Send targeted campaigns. Build lasting relationships. The CRM built for developers who care about their customers.

Free tier available
No credit card
customers.dev

Your Lists

3 lists

Take Action

Email Campaign ready for 2847 contacts

Powerful Features

Everything you need to manage customers

From list management to campaigns, we've built the tools you need to build better customer relationships.

Hierarchical Lists

Organize customers into nested lists and sub-lists. Create segments within segments for precise targeting.

Email Campaigns

Send targeted email campaigns to any list. Track opens, clicks, and conversions in real-time.

SMS Messaging

Reach customers via text message. Perfect for time-sensitive updates and personal outreach.

Company Profiles

Track company details, contacts, and interaction history. Everything you need in one place.

Developer API

RESTful API with webhooks. Integrate customer data into your apps and workflows.

Enterprise Security

SOC2 compliant with end-to-end encryption. Your customer data is always protected.

99.9%
Uptime SLA
<50ms
API Response
24/7
Support
Developer Experience

Built for developers, by developers

Our SDK makes customer management a breeze. Create lists, add members, and send campaigns in just a few lines of code. TypeScript-first with full IntelliSense support.

  • TypeScript SDK with full type definitions
  • RESTful API with webhooks
  • Real-time updates via WebSockets
  • Comprehensive documentation
example.ts
import { Customers } from '@customers.dev/sdk';

const crm = new Customers('your-api-key');

// Create a customer list
const list = await crm.lists.create({
  name: 'Enterprise Clients',
  type: 'custom'
});

// Add customers to the list
await crm.lists.addMembers(list.id, {
  customers: ['cust_abc123', 'cust_def456']
});

// Send a campaign to the list
await crm.campaigns.send({
  listId: list.id,
  template: 'welcome-enterprise',
  channel: 'email'
});
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