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Checkly vs WhoAPI Comparison

Last updated:

Checkly

4.0(1 reviews)

Starting at $80 /month

  • Free Trial
  • Large Enterprises
  • Medium Business

Checkly is an API and end-to-end monitoring tool used by engineering teams to run automated synthetic checks on API uptime, response times, and correctness in production environments. It runs scheduled tests from multipl…

WhoAPI

4.5(6 reviews)

Starting at $13 /Month

  • Individuals
  • Large Enterprises

WhoAPI is a digital service that offers various tools and insights related to domains and websites, including a multitude of API-centric services. These services empower users to aggregate data and conduct thorough evalu…

WhoAPI leads on user satisfaction with a 4.5-star rating across 6 reviews.

Checkly vs WhoAPI — at a glance

FeatureChecklyWhoAPI
Rating4.0 / 54.5 / 5
Reviews16
Starting price$80 /month$13 /Month
Free trial Yes No
Free version No No
Best forLarge Enterprises, Medium Business, Small BusinessIndividuals, Large Enterprises, Medium Business
CategoryAPI Management SoftwareAPI Management Software
PlatformsSaaS/Web/CloudSaaS/Web/Cloud
APIAvailableAvailable
Support modes24/7 (Live rep), Business Hours, OnlineOnline
Certifications——
Data residencyUSUS

Key differences between Checkly and WhoAPI

  • Pricing: Checkly starts at $80 /month, while WhoAPI starts at $13 /Month.
  • Free trial: Checkly offers a free trial; WhoAPI does not.
  • Target audience: Checkly is built for Large Enterprises and Medium Business, while WhoAPI targets Individuals and Large Enterprises.
  • User satisfaction: WhoAPI scores higher with a 4.5-star average.
  • Deployment: Checkly supports SaaS/Web/Cloud; WhoAPI supports SaaS/Web/Cloud.

Checkly vs WhoAPI — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most API Management Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Checkly - API Management Software
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WhoAPI - API Management Software
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Checkly vs WhoAPI: Biggest differences

Start here before you go deeper into features.

Checkly

Best for

Large Enterprises, Medium Business, Small Business

WhoAPI

Best for

Individuals, Large Enterprises, Medium Business

Checkly typically suits Large Enterprises and Medium Business. WhoAPI tends to fit Individuals and Large Enterprises better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

Checkly is an API and end-to-end monitoring tool used by engineering teams to run automated synthetic checks on API uptime, response times, and correctness in production environments. It ... Read More about Checkly

WhoAPI is a digital service that offers various tools and insights related to domains and websites, including a multitude of API-centric services. These services empower users to aggregate ... Read More about WhoAPI

Entry Level Pricing

  • Starts from $80 , monthly
  • Starts from $13 , Billed Yearly

Free Trial Availability

  • No free trial

SpotScore

What's this? ↗

7.9/10

7.9/10

User Ratings

Based on verified Spotsaas reviews

4.5

(6)
Get pricing help
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Software Demo

Demo

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Step 1 of 4

How big is your team?

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How do Checkly and WhoAPI Compare on Features?

Total Features

6 Features

3 Features

Unique Features

No unique features

No unique features

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Compare Checkly and WhoAPI on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • $80 , monthly
      • $13 , Billed Yearly

      Pricing Plans

      • Hobby

        Free

        • Ideal for small projects, offering essential monitoring tools and alerting features

        • Monitor your small projects and hobby sites with JavaScript-based API and Browser checks

        • 10k API / 1.5k browser check runs

        Show more +

      • Team

        $80

        /month

        • Designed for modern development teams of up to 20 users, providing advanced monitoring, alerting, and advanced features

        • Use an innovative workflow across your modern development team to achieve essential monitoring and alerting for your applications and sites

        • 100k API / 12k browser check runs

        Show more +

      • Custom

        Custom

        • Custom-built for large-scale teams to build, run, and scale synthetic monitoring with extensive flexibility

        • Build and run synthetic monitoring across distributed teams and systems with an advanced MaC workflow delivering programmability, speed, resilience.

        • Custom amount of check runs

        Show more +

      • 6k

        • Good for: Domainer

        • Request limit / month: 6,000

        • Top gTLDs & ccTLDs

        Show more +

      • Basic

        • Good for: SEO

        • Request limit / month: 24,000

        • Top gTLDs & ccTLDs

        Show more +

      • Standard

        • Good for: Web hosting

        • Request limit / month: 100,000

        • Top gTLDs & ccTLDs

        Show more +

      • Browse all pricing plans

      Pricing Page

      Checkly pricing
      WhoAPI pricing

      Checkly vs WhoAPI: Other Details

      Organization Types supported

      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals
      • Freelancers
      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals
      • Freelancers

      Platforms Supported

      • Browser Based (Cloud)
      • Mobile - Android
      • Installed - Windows
      • Installed - Mac
      • Mobile - iOS
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Mobile - Android
      • Installed - Windows
      • Installed - Mac
      • Mobile - iOS
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Checkly vs WhoAPI Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      HIPAA

      ✗ No
      ✗ No

      Data Residency

      🇺🇸 US
      🇺🇸 US

      Checkly User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      0

      1

      0

      0

      0

      4

      2

      0

      0

      0

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Buyer sentiment is positive across 1 reviews, with strong overall satisfaction.

      What buyers like

      • Cost-effective solution
      • Simple user interface
      • Effective monitoring tools

      Common complaints

      • Limited advanced features
      • Basic analytics capabilities
      • May lack scalability

      Buyer sentiment

      Buyer sentiment is very strong across 6 reviews, with consistently positive feedback.

      What buyers like

      • Comprehensive domain data
      • Multiple API-centric services
      • User-friendly interface

      Common complaints

      • Limited API management features
      • Not focused solely on APIs
      • May lack advanced analytics

      Pros and Cons

      • Affordable pricing makes it accessible for small teams.

      • User-friendly interface simplifies API management.

      • Effective monitoring capabilities enhance API performance.

      • May not scale well for larger organizations.

      • Limited advanced features compared to competitors.

      • Offers extensive domain data for informed decision-making.

      • User-friendly interface facilitates easy navigation.

      • Multiple services support diverse user needs.

      • Not primarily focused on API management.

      • Advanced analytics may be lacking.

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      Used Checkly or WhoAPI? Tell buyers what actually differs.

      Media and Screenshots

      Screenshots

      Checkly : Dashboard screenshot

      2 Screenshots

      Domain Data Infographic

      1 Screenshots

      Videos

      video-0

      1 Videos

      video-0

      2 Videos

      Top Alternatives to Checkly and WhoAPI in 2026

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      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, Checkly or WhoAPI?
      WhoAPI edges out the other on user ratings (4.5 vs 4.0). That said, the best pick depends on your use case, so use the comparison tables above to evaluate each dimension.
      Do Checkly and WhoAPI offer a free trial?
      Checkly offers a free trial. WhoAPI does not.
      What is the starting price of Checkly vs WhoAPI?
      Checkly starts at $80 /month. WhoAPI starts at $13 /Month.
      What are the top alternatives to Checkly?
      Top alternatives to Checkly include DreamFactory, Merge, IBM API Connect, Dell Boomi API Management, Apigee Edge.
      What are the top alternatives to WhoAPI?
      Top alternatives to WhoAPI include Merge, iEngage.ai, NoCodeAPI, Checkly, Bandwidth.