API Documentation

Complete API reference for the Unregistry bridge platform. Build powerful applications with modern REST and Web3 records APIs.

Registrar Access Required

Full API access is available exclusively to approved registrars and partners. Public endpoints are available for basic queries. To apply for registrar status and obtain complete API credentials, please contact our partnership team.

Domain Management

Register, transfer, and manage domains across multiple TLDs with a unified API interface. Support for bulk operations and automated workflows.

WHOIS Services

Access public WHOIS data for domain availability checks and registrant information queries. Real-time data with global registry support.

DNS Management

Configure DNS records, nameservers, and DNSSEC settings programmatically. Complete DNS hosting with advanced record types.

Real-time Updates

Receive instant notifications about domain events through webhook integrations. Monitor domain status changes and renewals.

API Access

The registrar-facing API (EPP-based) is provisioned by arrangement for approved registrars, with an OT&E environment for integration testing. Talk to us about access, scopes, and onboarding.

Registrar API Features

The registrar-facing API (EPP-based) is provisioned by arrangement for approved registrars talk to us about access and the OT&E environment. The capability surface it covers:

Feature Category Available Operations
Domain Operations Registration (1-10 years), Transfers, Renewals, Bulk operations, Lock management
Contact Management Create/update contacts, WHOIS privacy, Contact verification, Bulk updates
DNS Services Nameserver management, DNS records, DNSSEC support, Glue records
Advanced Features Real-time webhooks, Detailed reporting, White-label support, Custom pricing

Authentication & Security

API Security

  • HTTPS Only: All API communications use TLS encryption
  • Token Authentication: Secure bearer tokens for authenticated requests
  • IP Whitelisting: Optional IP-based access restrictions
  • Rate Limiting: Request throttling to prevent abuse

Best Practices

  • Store credentials securely using environment variables
  • Implement proper error handling and retry logic
  • Use webhook signatures to verify event authenticity
  • Test thoroughly in OT&E environment first

HTTP Response Codes

Code Description
200 OK Request successful
201 Created Resource successfully created
400 Bad Request Invalid request parameters
401 Unauthorized Authentication required or failed
403 Forbidden Access denied to resource
404 Not Found Resource not found
429 Too Many Requests Rate limit exceeded
500 Internal Server Error Server error - contact support

Ready to Get Started?

Join our registrar program to access the full Unregistry API and start managing domains programmatically.

Apply for Registrar Access

Technical Support

Email: [email protected]

Partnership Team

Contact Form

System Status

Monitor: status.u.cash