CustomGPT (ChatGPT)

This guide details how to use Instant Domain Search's free CustomGPT.

Requirements

Any ChatGPT account can access CustomGPTs — including Free, Plus, Team, and Enterprise plans. The Instant Domain Search CustomGPT is completely free to use.

How It Works

The Instant Domain Search CustomGPT connects ChatGPT directly to our real-time domain APIs, the same infrastructure that powers instantdomainsearch.com.

The CustomGPT can:

  • Search for available domains across multiple TLDs
  • Generate intelligent domain variations when your first choice is taken
  • Check specific domain availability with real-time data
  • Provide pricing for aftermarket domains

Getting Started

Using the Instant Domain Search CustomGPT is incredibly simple:

Step 1: Open the CustomGPT

Click this link to access the Instant Domain Search CustomGPT: chatgpt.com/g/g-6882140864608191af374e118a393139-instant-domain-search.

Opening the Instant Domain Search CustomGPT in ChatGPT

Step 2: Start Searching

That's it! You can immediately start searching for domains. Try prompts like:

Can you help me find domains available for my startup named Slowdomains?

The CustomGPT will search for availability and provide intelligent suggestions with variations.

The CustomGPT returning available domain suggestions for a startup

Example Use Cases

  • Find available domains: "I need a domain for my startup"
  • Check specific domains: "Is slowdomains.com available?"
  • Get variations: "My domain is taken — suggest alternatives"
  • Multi-TLD search: "Check slowdomains across .com, .io, .co, and .net"

Privacy & Security

Your searches are private and secure:

  • We query authoritative registries directly
  • Your domain history never gets shared with retail registrars; only when you click referral links to purchase
  • No risk of domain front-running or price manipulation

Need help?

Contact our team at hello@instantdomainsearch.com.

Next Steps

Ready to find your perfect domain? Just click the link above and start searching. No setup, no configuration, no API keys — just instant domain search at your fingertips.