Top Domain Registrant Details API alternatives in 2025

Top Domain Registrant Details API Alternatives in 2025

Domain Registrar Information API, detailing their features, capabilities, pricing, pros and cons, ideal use cases, and how they differ from the aforementioned API.

1. Domain Data Registration API

Domain Data Registration API is designed to quickly access domain details such as availability, ownership, expiration, and registrar information. This API is essential for developers who need to make informed decisions regarding domain management.

Key Features and Capabilities

• Domain Availability: Quickly check if a domain is available for registration.
• Registrar Details: Access information about the registrar, including contact details.
• Expiration Dates: Know when a domain is set to expire, which is crucial for renewal planning.

{"domainName":"google.com","registryDomainId":"2138514_DOMAIN_COM-VRSN","registrarWhoisServer":"whois.markmonitor.com","registrarUrl":"http://www.markmonitor.com","updatedDate":"2019-09-09T15:39:04+0000","creationDate":"1997-09-15T07:00:00+0000","registrarRegistrationExpirationDate":"2028-09-13T07:00:00+0000","registrar":"MarkMonitor, Inc.","domainStatus":"clientUpdateProhibited"}

Check out the API documentation to get started.

2. Domain Registry Lookup API

Domain Registry Lookup API offers easy access to comprehensive domain information using the WHOIS protocol. This API is ideal for developers who require detailed insights into domain ownership and registration.

Key Features and Capabilities

• Ownership Information: Access details about who owns a domain, including contact information.
• Registration Dates: Get the creation and expiration dates of the domain.
• Registrar Details: Information about the registrar, including their contact details.

{"domain_name": "google.com", "registrar": "markmonitor inc.", "whois_server": "whois.markmonitor.com", "updated_date": 1568043544, "creation_date": 874296000, "expiration_date": 1852516800, "name_servers": ["ns1.google.com", "ns2.google.com"], "emails": "[email protected]"}

Try the API playground to experiment with requests.

3. Registration Information Checker API

Registration Information Checker API efficiently confirms domain ownership information, enhancing online security and brand management. This API is essential for businesses that need to verify domain ownership quickly.

Key Features and Capabilities

• Domain Validity: Confirm whether a domain is valid and currently registered.
• Ownership Details: Access information about the domain owner, including contact details.
• Registration Dates: Get the creation and expiration dates of the domain.

{"sld":"facebook","tld":"com","valid":true,"available":false,"creation_date":"1997-03-29 05:00:00","updated_date":"2023-04-26 19:04:19","expiration_date":"2032-03-30 04:00:00"}

Read our technical guides for implementation tips.

4. Domain Information API

Domain Information API offers real-time domain registration insights, enhancing brand protection and cybersecurity efforts. This API is ideal for businesses that require up-to-date information on domain registrations.

Key Features and Capabilities

• Real-Time Data: Access the latest domain registration information, ensuring accuracy.
• Registrar Details: Get information about the registrar, including contact details.
• Contact Information: Access registrant contact details for further inquiries.

{"status":true,"domain_name":"chateaullc.com","query_time":"2024-07-14 15:44:42","whois_server":"whois.verisign-grs.com","domain_registered":"yes","create_date":"2000-10-10","update_date":"2024-02-06","expiry_date":"2024-10-10","domain_registrar":{"iana_id":"83","registrar_name":"IONOS SE","whois_server":"whois.ionos.com","website_url":"http://ionos.com","email_address":"[email protected]","phone_number":"+1.8774612631"}}

Try the API playground to experiment with requests.

5. Domain Name Lookup API

Domain Name Lookup API offers domain ownership, registration, and contact information, aiding cybersecurity, research, and domain management. This API is essential for developers who need quick access to domain information.

Key Features and Capabilities

• Ownership Information: Access details about the registrant and administrative contacts.
• Registration Details: Get information about the registration status, including creation and expiration dates.
• Name Server Associations: Access details about the name servers associated with the domain.

{"message": "Response is not available at the moment. Please check the API page"}

View the integration guide for step-by-step instructions.

6. Domain Age and Registration Date API

Domain Age and Registration Date API provides the age and registration date of a domain, allowing users to make informed decisions. This API is essential for assessing domain credibility.

Key Features and Capabilities

• Domain Age: Access information about how long the domain has been active.
• Registration Date: Get the date when the domain was initially registered.

{"domainAge":"151 days - 3 years","domainDate":"2021-03-15"}

Read our technical guides for implementation tips.

7. Domain Name Availability API

Domain Name Availability API swiftly checks domain name availability, streamlining online presence management. This API is crucial for businesses looking to secure the right virtual addresses.

Key Features and Capabilities

• Availability Check: Quickly determine if a domain name is available for registration.
• Expiration Dates: Access information about when a domain is set to expire.
• WHOIS Data: Retrieve essential WHOIS information related to the domain.

{"status":"Unavailable","timeElapsed":5}

Check out the API documentation to get started.

8. Domain Details Lookup API

Domain Details Lookup API grants access to domain ownership and registration details, aiding businesses and developers in navigating the digital landscape securely. This API is essential for verifying domain legitimacy.

Key Features and Capabilities

• WHOIS Lookup: Access detailed information about domain ownership and registration.
• Registrar Details: Get information about the registrar, including contact details.
• Registration Dates: Access information about the creation and expiration dates of the domain.

{"data": {"domain_name": "mapleconsultants.co.in", "registrar": "Endurance Digital Domain Technology LLP", "updated_date": "2024-04-25 08:27:25", "creation_date": "2010-04-21 06:49:40", "expiration_date": "2025-04-21 06:49:40", "name_servers": ["rick.ns.cloudflare.com", "elle.ns.cloudflare.com"], "organization": "Maple hyduaulics", "state": "Karnataka", "status": "clientTransferProhibited", "emails": "[email protected]", "country": "IN"}}

Visit the developer docs for complete API reference.

9. Domain Search Availability API

Domain Search Availability API is a comprehensive tool that allows users to check the availability of domain names. This API is essential for businesses looking to validate domain availability and explore various quality aspects of the domain.

Key Features and Capabilities

• Domain Availability Check: Quickly determine if a domain name is available for registration.
• Expiration Dates: Access information about when a domain is set to expire.
• Pricing Information: Retrieve pricing details for domain registration.

{"status":"OK","request_id":"29acff73-b09c-4a2f-bc21-cbdc2c6d83fa","parameters":{"domain":"https://x.com/","currency":"USD"},"data":{}}

View the integration guide for step-by-step instructions.

Conclusion

Domain Registrar Information API. Each of the APIs discussed provides unique features and capabilities that cater to different needs. For quick access to domain details, the Domain Data Registration API is an excellent choice. If you require comprehensive WHOIS data, the Domain Registry Lookup API is ideal. For verifying domain ownership, the Registration Information Checker API stands out.