In today's dynamic digital environment, understanding domain and subdomain architecture is of immense importance to users, users and cybersecurity experts alike. The Subdomain Discovery API is a powerful solution designed to dissect the complexities of web domains, offering a holistic and adaptive approach to web browsing.
The key to the Subdomain Discovery API is its ability to provide comprehensive information about domains. By providing an exhaustive list of subdomains....
The API excels at dynamically cataloging subdomains linked to a specific domain. Subdomains are fundamental components of web infrastructure and often denote distinct services or functionality. This functionality allows users to discover and scrutinize the full spectrum of subdomains associated with a target domain, thereby increasing their understanding of the web ecosystem.
Designed with users in mind, the API presents seamless integration potential. Backed by lucid documentation and robust support, developers can effortlessly integrate the Subdomain Discovery API into their applications, cybersecurity tools or business analytics frameworks.
In essence, the Subdomain Discovery API presents itself as a versatile and indispensable asset for traversing the intricate terrain of the Web. Whether it's to bolster cybersecurity measures, refine business strategies, optimize SEO efforts or facilitate legal queries, the API provides users with comprehensive domain intelligence and subdomain exploration capabilities. Put yourself at the forefront of digital advancement by leveraging the insights provided by the Subdomain Discovery API, opening up limitless web exploration prospects.
It will receive parameters and provide you with a JSON.
Cybersecurity monitoring: Identify and monitor subdomains for potential security threats, phishing campaigns or unauthorized activity to improve overall cybersecurity posture.
Competitor intelligence: Analyze competitor domains to gain insight into their digital strategies, subdomain structures.
SEO optimization: Enhance SEO strategies by understanding domain architectures, identifying relevant subdomains and optimizing content for targeted digital marketing efforts.
Legal Investigations: Support legal professionals and investigators by providing detailed domain information for regulatory compliance, intellectual property protection and legal investigations.
Create comprehensive maps of web infrastructures by exploring inter-domain relationships.
Besides the number of API calls available for the plan, there are no other limitations.
To use this endpoint you must indicate the URL of a domain in the parameter.
Get Subdomains - Endpoint Features
| Object | Description |
|---|---|
domain |
[Required] Enter a domain |
{"scan_date":"2025-12-11 23:59:19","subdomains":[{"subdomain":"admin.youtube.com","ip":"142.250.185.174","cloudflare":false},{"subdomain":"admin-green-qa.youtube.com","ip":null,"cloudflare":false},{"subdomain":"admin-py3.youtube.com","ip":null,"cloudflare":false},{"subdomain":"admin-release-qa.youtube.com","ip":null,"cloudflare":false},{"subdomain":"c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache1.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache2.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache3.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache4.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache5.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache6.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache7.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cache8.c.youtube.com","ip":null,"cloudflare":false},{"subdomain":"cctldtest.youtube.com","ip":null,"cloudflare":false},{"subdomain":"consent.corp.youtube.com","ip":null,"cloudflare":false},{"subdomain":"corp.youtube.com","ip":"142.250.102.129","cloudflare":false},{"subdomain":"creatoracademy.youtube.com","ip":"142.250.185.78","cloudflare":false},{"subdomain":"design.youtube.com","ip":null,"cloudflare":false},{"subdomain":"devicereport.youtube.com","ip":null,"cloudflare":false},{"subdomain":"gdata.youtube.com","ip":"142.250.185.206","cloudflare":false},{"subdomain":"lifeinaday.youtube.com","ip":"142.251.208.14","cloudflare":false},{"subdomain":"misc-sni.youtube.com","ip":null,"cloudflare":false},{"subdomain":"music.youtube.com","ip":"142.250.186.142","cloudflare":false},{"subdomain":"nflst.youtube.com","ip":"142.250.185.110","cloudflare":false},{"subdomain":"payments.youtube.com","ip":"74.125.206.92","cloudflare":false},{"subdomain":"prefmgr-dev.youtube.com","ip":"142.250.27.129","cloudflare":false},{"subdomain":"prefmgr-staging.youtube.com","ip":"142.250.27.129","cloudflare":false},{"subdomain":"rtmps.youtube.com","ip":"142.250.74.204","cloudflare":false},{"subdomain":"sandbox.youtube.com","ip":null,"cloudflare":false},{"subdomain":"streamingreport.youtube.com","ip":null,"cloudflare":false},{"subdomain":"uberproxy-san.youtube.com","ip":null,"cloudflare":false},{"subdomain":"upload.youtube.com","ip":"142.250.185.207","cloudflare":false},{"subdomain":"uploads.stage.gdata.youtube.com","ip":null,"cloudflare":false},{"subdomain":"usercontent.youtube.com","ip":null,"cloudflare":false},{"subdomain":"usercontent.corp.youtube.com","ip":null,"cloudflare":false},{"subdomain":"www.youtube.com","ip":"142.250.184.206","cloudflare":false},{"subdomain":"www.creatoracademy.youtube.com","ip":"142.250.185.142","cloudflare":false},{"subdomain":"www.devicereport.youtube.com","ip":null,"cloudflare":false},{"subdomain":"www.lifeinaday.youtube.com","ip":"142.250.185.174","cloudflare":false},{"subdomain":"www.nflst.youtube.com","ip":"142.250.186.174","cloudflare":false},{"subdomain":"www.streamingreport.youtube.com","ip":null,"cloudflare":false}]}
curl --location --request GET 'https://zylalabs.com/api/3989/subdomain+discovery+api/4750/get+subdomains?domain=google.com' --header 'Authorization: Bearer YOUR_API_KEY'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
To use this API the user must indicate the URL of a domain to obtain its subdomains.
There are different plans suits everyone including a free trial for small amount of requests, but it’s rate is limit to prevent abuse of the service.
Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.
The Subdomain Discovery API is a powerful tool designed to discover and provide information about subdomains associated with a given domain.
The Get Subdomains endpoint returns a JSON object containing an array of subdomains associated with a specified domain. Each subdomain is listed under the "docs" key, along with metadata such as "numFound" indicating the total number of subdomains found.
The key fields in the response data include "numFound" (total subdomains found), "start" (starting index for pagination), "numFoundExact" (boolean for exact count), and "docs" (array of subdomain objects, each containing the "subdomain" field).
The response data is organized in a JSON format. It includes a top-level object with keys for total counts and an array of subdomain objects, each structured with a "subdomain" field that lists the individual subdomains.
The Get Subdomains endpoint provides information about all subdomains associated with a given domain, including their names. This helps users understand the domain's structure and identify potential services or functionalities.
Users can customize their data requests by specifying the URL of the target domain in the request parameter. This allows for tailored queries to discover subdomains relevant to specific domains of interest.
The data is sourced from various web crawling and enumeration techniques that scan the internet for subdomains associated with specified domains, ensuring a comprehensive and up-to-date collection of subdomain information.
Data accuracy is maintained through regular updates and quality checks, which involve cross-referencing subdomain information against multiple sources to ensure reliability and minimize discrepancies.
Typical use cases include cybersecurity monitoring for potential threats, competitor analysis for digital strategy insights, SEO optimization for enhancing online visibility, and legal investigations for compliance and intellectual property protection.
To obtain your API key, you first need to sign in to your account and subscribe to the API you want to use. Once subscribed, go to your Profile, open the Subscription section, and select the specific API. Your API key will be available there and can be used to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
If you don’t cancel before the 7th day, your free trial will end automatically and your subscription will switch to a paid plan under the same plan you originally subscribed to, meaning you will be charged and gain access to the API calls included in that plan.
The free trial ends when you reach 50 API requests or after 7 days, whichever comes first.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes, we offer a 7-day free trial that allows you to make up to 50 API calls at no cost, so you can test our APIs without any commitment.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund
Service Level:
100%
Response Time:
9,458ms
Service Level:
100%
Response Time:
11,787ms
Service Level:
100%
Response Time:
7,016ms
Service Level:
100%
Response Time:
5,318ms
Service Level:
100%
Response Time:
18,196ms
Service Level:
100%
Response Time:
72ms
Service Level:
100%
Response Time:
1,807ms
Service Level:
100%
Response Time:
1,999ms
Service Level:
100%
Response Time:
325ms
Service Level:
100%
Response Time:
2,130ms