New gTLD

.bio RDAP Lookup

Domain extension .bio. Use our free API to check availability, get registration data, and query WHOIS information for any .bio domain.

Official RDAP Endpoint
https://rdap.identitydigital.services/rdap

Check any .bio domain - Live

Enter a domain name below to check availability in real-time via RDAP.

.bio
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API Examples
# Check if a .bio domain is available curl "https://domscan.net/v1/status?name=example&tlds=bio" # Get detailed RDAP data curl "https://domscan.net/v1/rdap?domain=example.bio"

Example Response

{
  "name": "example",
  "results": [
    {
      "domain": "example.bio",
      "available": false,
      "source": "rdap",
      "rdap_endpoint": "https://rdap.identitydigital.services/rdap"
    }
  ],
  "cached": false,
  "latency_ms": 45
}

TLD Type

New gTLD - BIO

RDAP Support

Full RDAP support via official registry. Query availability and registration data directly.

Use Cases

Domain extension .bio

API Endpoint

/v1/status for availability, /v1/rdap for full data

Frequently Asked Questions

What is RDAP for .bio domains?

RDAP (Registration Data Access Protocol) is the modern replacement for WHOIS. For .bio domains, RDAP provides structured JSON responses with registration data, nameservers, and availability status directly from the authoritative registry.

How do I check if a .bio domain is available?

Use DomScan's API: curl "https://domscan.net/v1/status?name=example&tlds=bio" - This queries the official RDAP server and returns availability status in JSON format.

What is the RDAP endpoint for .bio?

The official RDAP endpoint for .bio domains is https://rdap.identitydigital.services/rdap. DomScan automatically routes queries to this endpoint for accurate results.

Is the .bio RDAP lookup free?

Availability checks for .bio domains through /v1/status cost 1 credit. Full registration-data lookups through /v1/rdap cost 2 credits.

Start Checking .bio Domains for Free

10,000 free API credits per month. No credit card required.

View documentation