Add expired domains
to your platform
Your customers get access to 164,067+ deleted ccTLD domains and live auction inventory from 21 auction platforms, with full SEO metrics, under your brand.
A new revenue stream, not a cost
Expired domains with SEO authority sell for 10x-100x the registration price. By adding premium domain inventory to your platform, you turn a commodity service into a high-margin product your customers can't find elsewhere.
Rich data, ready to serve
Every domain comes with Domain Authority, Trust Flow, Citation Flow, backlinks, referring domains, Wayback age, language, and a quality score. No extra enrichment needed.
Simple REST API
Bearer token auth, JSON responses, filter by source, TLD, score, age, DA, language, keywords. Integrate in hours, not weeks. We also support MCP for AI assistants.
Your brand, our data
White-label options available. Display expired domains under your brand, add it as a revenue stream for your hosting or registrar platform.
What you get per domain
30+ fields returned via API for every domain
Domain sources
Aggregated from 21 platforms, refreshed daily
Built for
Domain registrars & hosts
Add an expired domains marketplace to your platform. Let customers browse, filter, and purchase - all under your brand. Differentiate from competitors with premium domain inventory.
SEO agencies
Find aged domains with real authority for PBNs, 301 redirects, or client acquisitions. Filter by Trust Flow, referring domains, language, and topical relevance.
Domain investors & tools
Build custom alerts, portfolio analysis tools, or investment dashboards. Access auction data from 21 sources through a single API.
Live API example
Real request and response from our production API
Request
curl "https://catchdoms.com/api/domains?source=godaddy&score_min=50&limit=1" \
-H "Authorization: Bearer YOUR_API_KEY"Response (1 domain shown)
{
"data": [{
"name": "numion.com",
"tld": ".com",
"source": "godaddy",
"type": "auction",
"auction_type": "Bid",
"max_bid": 1066,
"bids_count": 55,
"auction_end_date": "2026-03-06T18:13:00+00:00",
"score": 73,
"age": 25,
"domain_authority": 28,
"trust_flow": 23,
"citation_flow": 24,
"ttf_topic": "Computers/Programming/Languages",
"backlinks_count": 16037,
"referring_domains": 1571,
"ref_domains_edu": 1,
"wayback_snapshots": 768,
"wayback_first_date": "2001-02-17",
"language": null,
"has_gmb": false
}],
"meta": { "total": 342, "per_page": 1 }
}Simple, transparent pricing
No setup fees. Cancel anytime. Volume discounts available.
For platforms reselling to customers
- All domains & 30+ SEO metrics
- 300 requests / minute
- Redistribution rights
- Bulk export endpoint
- Priority support
Your brand, our infrastructure
- Everything in Business
- Custom rate limits
- No CatchDoms branding
- Webhook for new domains
- Dedicated support + SLA
Annual billing available with 2 months free. All prices exclude VAT. Subject to our API Terms of Use.
Let's talk about your integration
Tell us about your platform and what you need. We'll get back to you within 24 hours with a tailored proposal.
Contact us