Top Web Expiry Date Verifier API alternatives in 2025

Top Web Expiry Date Verifier API Alternatives in 2025

As the digital landscape continues to evolve, the need for reliable and efficient APIs to manage domain-related tasks has become increasingly important. In 2025, developers and businesses are looking for robust alternatives to traditional APIs for checking domain expiration dates, availability, and other related functionalities. This blog post explores some of the best alternatives to the Domain Expiration Checker API, highlighting their features, capabilities, pricing, pros and cons, ideal use cases, and how they differ from the Domain Expiration Checker API.

1. Domain Expiration Checker API

The Domain Expiration Checker API allows users to check the expiration date of any domain name by simply providing the domain name. It returns the remaining days until expiration, making it easy to keep track of your own domains or monitor your competitors' domains.

Key features include:

• Get Expiration: Check the expiration date of a given URL. This feature allows users to input a domain name and receive detailed information about when the domain was registered and when it is set to expire. The API returns the remaining days until expiration, which is crucial for timely renewals.

Example Response:

{"domain":{"domain_url":"https://www.sunvalleyerp.com","updated_at":"2025-03-11T22:34:30.000000Z"},"success":true,"domain_registration_data":{"domain_age_date":"2023-04-18","domain_age_days_ago":693,"domain_expiration_date":"2025-04-18","domain_expiration_days_left":37},"api_usage":{"this_month_api_calls":18,"remaining_api_calls":999982}}

This API is ideal for businesses and developers who need to monitor domain expiration dates for renewals, assess competitors, or check domain availability for registration.

Looking to optimize your Domain Expiration Checker API integration? Read our technical guides for implementation tips.

2. Domain Availability Checker API

The Domain Availability Checker API helps users check the availability of a domain and retrieve its age. By passing the desired domain, users can determine if it is available for purchase.

Key features include:

• Check Domain: Pass the domain that you want to check its availability and expiration date. This feature provides essential information such as creation date, update date, expiration date, and availability status.

Example Response:

{"example.org":false,"foo.com":false,"somefoobardomain.io":true}

This API is particularly useful for developers creating applications for domain registration or websites that help users find available domains.

Need help implementing Domain Availability Checker API? View the integration guide for step-by-step instructions.

3. Domain Age Checker API

The Domain Age Checker API allows users to determine the age of a given domain easily. This API provides information about how long a domain has been registered.

Key features include:

• Age Checker: Retrieve the age of the given domain in days, months, and years, along with its registration status. This feature is essential for assessing a domain's credibility and reputation.

Example Response:

{"data":{"host":"zylalabs.com","debug_message":"","domain_age_found":true,"domain_registered":"yes","domain_creation_date":"2021-01-26","domain_age_in_days":1430,"domain_age_in_months":46,"domain_age_in_years":3},"credits_remained":17.5,"estimated_queries":"35","elapsed_time":"0.46","success":true}

This API is ideal for competitive analysis and assessing the credibility of domains.

Ready to test Domain Age Checker API? Try the API playground to experiment with requests.

4. Temporary Email Verifier API

The Temporary Email Verifier API swiftly identifies and blocks temporary email addresses, ensuring enhanced security and a spam-free digital environment.

Key features include:

• Email Checker: Enter an email address to verify its legitimacy. This feature helps filter out disposable emails during user registration and enhances security in account verification.

Example Response:

{"block":false,"valid":true,"domain":"gmail.com","disposable":false,"text":"gmail.com looks fine","reason":"Whitelisted domain","mx_host":["gmail-smtp-in.l.google.com","alt4.gmail-smtp-in.l.google.com"],"mx_ip":["172.253.122.26"],"mx_priority":{"alt3.gmail-smtp-in.l.google.com":30}}

This API is particularly useful for platforms that require user registration and need to maintain data integrity.

Ready to test Temporary Email Verifier API? Try the API playground to experiment with requests.

5. Domain Age and Registration Date API

The Domain Age and Registration Date API provides the age and registration date of a domain for informed decision-making.

Key features include:

• Analyze Domain: Insert a domain in the parameter to receive its age and registration date. This feature helps assess domain authority and make informed purchasing decisions.

Example Response:

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

This API is beneficial for SEO strategies and domain investment decisions.

Want to try Domain Age and Registration Date API? Check out the API documentation to get started.

6. Website Name Availability API

The Website Name Availability API streamlines real-time domain checks for efficient domain exploration.

Key features include:

• Domain Availability Checker: Indicate the URL of a domain in the parameter to check its availability. This feature provides instant updates on whether a domain is currently unregistered and ready for purchase.

Example Response:

{"status":"Unavailable","timeElapsed":13}

This API is essential for businesses and individuals looking to establish a unique online presence.

Ready to test Website Name Availability API? Try the API playground to experiment with requests.

7. Email Verification Validator API

The Email Verification Validator API ensures that email addresses are valid, improving data quality and communication efficiency.

Key features include:

• Email Checker: Indicate an email address to verify its validity. This feature helps identify disposable email domains and invalid email addresses.

Example Response:

{"can_connect_smtp":true,"domain":"google.com","email":"[email protected]","is_deliverable":true,"is_valid_syntax":true}

This API is crucial for maintaining clean and accurate email databases.

Need help implementing Email Verification Validator API? View the integration guide for step-by-step instructions.

8. Temporal Email Verification API

The Temporal Email Verification API ensures email legitimacy by identifying temporary or disposable addresses, vital for spam and fraud prevention.

Key features include:

• Email Temporarily Detection: Provide an email address to check its validity and determine if it is temporary.
• Email Check: Verify a single email at its entry level to check its validity before allowing it into your email database.

Example Response:

{"provider":"alt4.gmail-smtp-in.l.google.com.","disposable":false,"state":"Valid"}

This API is essential for platforms that require user registration and need to filter out temporary emails.

Looking to optimize your Temporal Email Verification API integration? Read our technical guides for implementation tips.

9. Web Engagement Metrics API

The Web Engagement Metrics API provides real-time insights on site traffic and engagement metrics.

Key features include:

• Get Data: Pass the domain of your preference and receive data from traffic sources, engagement metrics, and other important information.
• Countries List: Receive a list of all the countries supported and their codes, useful for understanding traffic sources by region.

Example Response for Get Data:

{"Version":1,"SiteName":"cnn.com","Engagments":{"BounceRate":"0.5728573520869431","Visits":"497318427"}}

This API is beneficial for webmasters and marketers looking to optimize their online presence.

Want to try Web Engagement Metrics API? Check out the API documentation to get started.

10. SSL Certificate Validation API

The SSL Certificate Validation API provides comprehensive information on the SSL certificate used by a host.

Key features include:

• Get Info: Check the validity of an SSL certificate and return detailed information about it, including expiration date and issuer.

Example Response:

{"subject":{"C":"US","O":"Entrust, Inc."},"validFrom":"2023-05-12T21:27:49.000Z","validTo":"2024-05-19T21:27:49.000Z"}

This API is crucial for ensuring the security of online transactions and verifying the identity of website owners.

Need help implementing SSL Certificate Validation API? View the integration guide for step-by-step instructions.

Conclusion

In conclusion, as we move into 2025, the demand for reliable APIs to manage domain-related tasks continues to grow. The alternatives discussed in this blog post, including the Domain Expiration Checker API, Domain Availability Checker API, and others, provide robust solutions for developers and businesses alike. Each API offers unique features and capabilities that cater to different needs, from checking domain availability to verifying email legitimacy and analyzing web engagement metrics.

Choosing the right API depends on your specific requirements, whether it's monitoring domain expirations, ensuring email validity, or analyzing web traffic. By leveraging these APIs, developers can enhance their applications, improve user experiences, and maintain the integrity of their digital platforms.