Fully Qualified Domain

Fully Qualified Domain API

Domain DataIncluded in Subscription

Fully Qualified Domain Name is a simple tool for getting the fully qualified domain name (FQDN) of an IP. It returns the fully qualified domain name of the ip provided.

Online
1 credit/call
99.9% uptime
Docs
avg: 1408ms|p50: 1281ms|p75: 1492ms|p90: 1746ms|p99: 2253ms
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Online
1 credit/call
99.9% uptime
Docs
avg: 1408ms|p50: 1281ms|p90: 1746ms|p99: 2253ms

Live Test API

Try out the Fully Qualified Domain with a live request and see the response in real-time.

API Request

GET
https://api.apiverve.com
Parameters

API Response

200 OK
12345678910
{
  "status": "ok",
  "error": null,
  "data": {
    "ip": "199.30.24.0",
    "baseDomain": "msn.com",
    "fqdn": "msnbot-199-30-24-0.search.msn.com",
    "detected": true
  }
}

Multiple Access Methods

REST API with multiple response formats, GraphQL, and MCP for AI agents

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JSON

JavaScript Object Notation

XML

Extensible Markup Language

YAML

Human-readable data format

CSV

Comma-separated values

BETA

GraphQL

Query language for APIs

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MCP

AI agent integration

Zero-Code Integration

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Developer SDKs

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NuGet

.NET / C#
Ready
NuGetDocs

PyPI

Python
Ready
PyPIDocs

NPM

Node.js / JavaScript
Ready
NPMDocs
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Frequently Asked Questions

Get answers to common questions about the Fully Qualified Domain API

What does the Fully Qualified Domain API do?

Fully Qualified Domain Name is a simple tool for getting the fully qualified domain name (FQDN) of an IP. It returns the fully qualified domain name of the ip provided. The API returns structured data in JSON, XML, or YAML format, making it easy to integrate into any application or workflow.

How fast is the Fully Qualified Domain API?

The Fully Qualified Domain API has an average response time of 1408ms, with a median (p50) of 1281ms and 99th percentile of 2253ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.

How much does the Fully Qualified Domain API cost?

Each call to the Fully Qualified Domain API uses 1 credit. The free tier includes 100 credits per month. Paid plans start at $29.99/month with higher limits, and enterprise plans offer custom pricing with priority support.

How do I authenticate Fully Qualified Domain API requests?

Include your API key in the request header as X-API-Key: your_key_here. All requests are made over HTTPS for security. You can get your API key by signing up for a free account.

What HTTP methods does Fully Qualified Domain support?

The Fully Qualified Domain API supports GET requests. Simply pass your parameters as query strings in the URL. Check our documentation for detailed parameter specifications.

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