Postman vs WhoAPI Comparison
Postman
Starting at $12 /User/Month
- Large Enterprises
- Medium Business
Postman is an API development and testing platform used by backend developers and QA engineers to design, test, document, and monitor APIs across teams. It centralizes API collections, enables automated test runs, and su…
WhoAPI
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 5.0-star rating across 2 reviews.
Postman vs WhoAPI — at a glance
| Feature | Postman | WhoAPI |
|---|---|---|
| Rating | 4.5 / 5 | 5.0 / 5 |
| Reviews | 1,238 | 2 |
| Starting price | $12 /User/Month | $13 /Month |
| Free trial | No | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Individuals, Large Enterprises, Medium Business |
| Category | API Management Software | API Management Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Installed - Windows, Installed - Mac | SaaS/Web/Cloud |
| API | Available | Available |
| Support modes | 24/7 (Live rep), Business Hours, Online | Online |
| Certifications | SOC 2, GDPR, ISO 27001 | — |
| Data residency | Global | US |
Key differences between Postman and WhoAPI
- Pricing: Postman starts at $12 /User/Month, while WhoAPI starts at $13 /Month.
- Target audience: Postman is built for Large Enterprises and Medium Business, while WhoAPI targets Individuals and Large Enterprises.
- User satisfaction: WhoAPI scores higher with a 5.0-star average.
- Deployment: Postman supports SaaS/Web/Cloud, Mobile - Android, Installed - Windows, Installed - Mac; WhoAPI supports SaaS/Web/Cloud.
Postman vs WhoAPI — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
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.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
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Biggest differences
Start here before you go deeper into features.
Best for comprehensive API development, testing, and team collaboration.
- You need an all-in-one tool for designing, testing, documenting, and monitoring APIs.
- Your team requires strong collaboration features to share API collections and documentation easily.
- You want a user-friendly interface that supports both developers and non-technical users.
- You have limited device resources and need a lightweight API tool.
- You seek a simple tool for basic API calls without collaboration or advanced features.
Individuals, Large Enterprises, Medium Business
Postman 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 | Postman is an API development and testing platform used by backend developers and QA engineers to design, test, document, and monitor APIs across teams. It centralizes API collections, ... Read More about Postman | 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 |
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Entry Level Pricing |
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Free Trial Availability |
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SpotScoreWhat's this? ↗ | 9.8/10 | 7.9/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | — |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Postman and WhoAPI Compare on Features?
Total Features | 8 Features | 3 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Postman 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.
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Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
|---|---|---|
HIPAA | ✗ No | ✗ No |
GDPR | ✓ Yes | — |
ISO 27001 | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | — |
Multi-Factor Auth (MFA) | ✓ Yes | — |
Data Encryption | ✓ Yes | — |
Audit Logs | ✓ Yes | — |
Data Residency | 🌐 Global | 🇺🇸 US |
Postman User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Overall positive sentiment highlights Postman’s ease of use, comprehensive features, and strong collaboration, tempered by some performance and learning curve concerns. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is very strong across 6 reviews, with consistently positive feedback. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Coursera  Hotelbeds  AMC | No Customers information available. |
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Media and Screenshots
Screenshots |  5 Screenshots |  1 Screenshots |
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Videos |  5 Videos |  2 Videos |
Top Alternatives to Postman and WhoAPI in 2026
Alternatives |
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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, Postman or WhoAPI?
- WhoAPI edges out the other on user ratings (5.0 vs 4.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Postman and WhoAPI offer a free trial?
- Neither Postman nor WhoAPI currently lists a free trial.
- What is the starting price of Postman vs WhoAPI?
- Postman starts at $12 /User/Month. WhoAPI starts at $13 /Month.
- What are the top alternatives to Postman?
- Top alternatives to Postman include Apigee Edge, WSO2 API Manager, SwaggerHub, API Fortress, BlazeMeter.
- What are the top alternatives to WhoAPI?
- Top alternatives to WhoAPI include Postman, Whoisvisiting, Meta API, Geekflare API, FindmeIP.