A
APIs Score

Domainsdb.info API

Beginner's Pick Business / No Auth Required Beginner HTTPS
Free to Use
79 B
Metadata Score 0 50 100 Metadata estimate · not endpoint-tested
Visit Official Site Compare Alternatives

Overview

Domainsdb.info lets you search registered domain names by keyword, TLD, or zone with no authentication needed. Great for brand monitoring or finding related domains at scale.

Beginner Tip

No sign-up needed — just send a GET request. Try: https://api.domainsdb.info/v1/domains/search?domain=example&zone=com to find .com domains containing "example".

Available Data

The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.

Use case: Integrate registered domain names search data into web and mobile applications
Domainsdb.info data via REST API

Example Response

Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.

JSON Response · Illustrative 
{
  "status": "success",
  "data": {
    "result": "Data from Domainsdb.info",
    "description": "Registered Domain Names Search",
    "timestamp": "2025-01-15T10:00:00Z"
  }
}

Field Reference

domains List of domain objects matching the search criteria.
domains[].domain The full registered domain name (e.g. "openai.com").
domains[].create_date ISO 8601 date when the domain was first registered.
domains[].update_date ISO 8601 date of the most recent WHOIS record update.
domains[].country Two-letter country code of the registrant, when available.
total Total number of matching domains across all pages.

Implementation Example

Calls a real endpoint of this API. Replace any placeholder credentials with your own key.

Request 
const url = "https://api.domainsdb.info/v1/domains/search?domain=openai&zone=com&limit=10";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.

Empty domains array The zone or domain keyword returns no matches
✓ Try without the zone filter first, or broaden your keyword to a single short word.
429 Too Many Requests The free tier has a rate limit of roughly 10 requests per minute
✓ Add a delay between calls. For bulk lookups, cache results and avoid re-fetching the same domains.
Slow response times Large result sets can take several seconds to return
✓ Use the limit parameter (e.g. &limit=20) to cap results and improve response speed.

Metadata Score Breakdown

Estimated from metadata — endpoint not independently tested

This score is estimated from observable metadata — HTTPS support, authentication model, declared CORS, and documentation reachability — because the API requires authentication or exposes no publicly testable endpoint. The five-signal breakdown is only shown for live-tested APIs.

Metadata estimate · endpoint not independently tested

How is this scored? →

Technical Specifications

Auth No Auth
HTTPS REQUIRED
CORS NO
Category Business
Difficulty Beginner
Listing details not endpoint-verified

Similar APIs

View All →

markerapi

⭐ Beginner's Pick
72 B
Est.

Markerapi provides free search access to the USPTO trademark database, letting you check if a brand name is already trademarked.

No Auth Beginner 258ms

Tenders in Hungary

⭐ Beginner's Pick
82 A
Est.

The Tenders in Hungary API from tenders.guru delivers publicly available government procurement data for Hungary, including contract values, buyer and supplier names, and tender dates.

No Auth Beginner HTTPS 357ms

Tenders in Poland

⭐ Beginner's Pick
82 A
Est.

The Tenders in Poland API provides structured access to Polish government procurement notices and contract awards from tenders.guru, covering public sector buyers across all regions of Poland.

No Auth Beginner HTTPS 347ms

Tenders in Romania

⭐ Beginner's Pick
82 A
Est.

The Tenders in Romania API by tenders.guru exposes Romanian public procurement data including tender details, contract values, and awarded suppliers, all freely accessible without authentication.

No Auth Beginner HTTPS 357ms

Tenders in Spain

⭐ Beginner's Pick
82 A
Est.

The Tenders in Spain API from tenders.guru delivers Spanish public procurement data in JSON format, covering central government, autonomous communities, and local authorities.

No Auth Beginner HTTPS 348ms