UIDomains API
UIDomains API: A free API for bulk domain research, trends, history, and market intelligence. Ranked #15 of 34 in Domain Search Tools by our editors (6.1/10); pricing: Free plan; best for API users needing domain-market intelligence.
At a glance
- Editor score6.1 / 10
- PricingFree plan
- Best forAPI users needing domain-market intelligence
- Free planYes
- Bulk search limit1000
- Facts checked20 Sep 2026
Where it wins
- Bulk availability checks with searches of up to 1,000 domains
- Combines history, trends, drops, valuations, and traffic estimates
- Free API key includes availability, trend, and daily-registration endpoints
Where it doesn't
- API-only access suits application workflows, not standalone browsing
- Free API access includes limited quotas
- Additional intelligence endpoints require paid access
Our verdict on UIDomains API
UIDomains API is a programmatic domain search and intelligence service for developers building products, internal tools, and automated workflows. Its scope covers bulk availability checks, domain idea generation, registration and drop history, daily registration data, trend details, dropped-domain reports, valuation estimates, traffic estimates, and bulk lookup with registry and RDAP data. Workspace features also support project and domain management. It is best suited to API users who need domain-market intelligence inside an application or repeatable process.
The free API key provides a practical starting point for core research. Its published highlights include the bulk availability endpoint, dated trend detail, and daily registrations, while the category specifications show API access and a bulk search limit of 1,000. Free access also includes limited quotas, so higher-volume workflows need to account for those limits. Paid access increases limits and unlocks additional intelligence endpoints, making the product more relevant as a workflow grows beyond basic availability and trend queries.
Its standout advantage is breadth: availability, idea generation, historical activity, dropped-domain reporting, valuations, traffic estimates, and registry and RDAP lookup are brought together through an API. That combination can support discovery, monitoring, evaluation, and project organization without limiting the workflow to a single search operation. Choose UIDomains API if your product or process can work through an API and needs several kinds of domain intelligence. Choose another approach if you need a non-API experience, or if the free quota does not fit the expected request volume.
UIDomains API pricing
All 1 UIDomains API plans and prices →
UIDomains API fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| TLD count | Not verified |
| Bulk search limit | 1000 |
| Domain variations | Not verified |
| Bulk upload | Not verified |
| Export options | Not verified |
| API access | Yes |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | uidomains.com |
| Facts checked | 20 Sep 2026 |
Alternatives to UIDomains API
- Instant Domain SearchA broad free domain research suite with AI, bulk search, exports, and registrar comparisons.9.8
- DomainDiscoveryA broad free domain research toolkit for discovery, checking, and comparison.8.6
- DomaintorA broad domain search tool with AI suggestions, bulk checks, social checks, and API access.7.8
See all UIDomains API alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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