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AlertSite vs Postman Enterprise comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 8, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

AlertSite
Ranking in API Monitoring Software
3rd
Average Rating
8.0
Reviews Sentiment
7.6
Number of Reviews
7
Ranking in other categories
Application Performance Monitoring (APM) and Observability (46th)
Postman Enterprise
Ranking in API Monitoring Software
1st
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
69
Ranking in other categories
API Management (6th), API Testing Tools (1st), AI Software Development (8th)
 

Mindshare comparison

As of May 2026, in the API Monitoring Software category, the mindshare of AlertSite is 18.0%, up from 8.8% compared to the previous year. The mindshare of Postman Enterprise is 35.4%, down from 44.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
API Monitoring Software Mindshare Distribution
ProductMindshare (%)
Postman Enterprise35.4%
AlertSite18.0%
Other46.6%
API Monitoring Software
 

Featured Reviews

IH
Assistant Director at a consultancy with 10,001+ employees
Enterprise-level monitoring facilitates global observability and seamless script creation with intuitive tools
SmartBear, as a vendor, is focusing more on API management and testing rather than monitoring. AlertSite could benefit from more future-focused innovation, especially with competencies in generative AI. Additionally, support from AlertSite is not at an enterprise level since it is not offered 24/7. Outside of critical platform issues, there's no continuous support available.
Ravi Raushan Kumar - PeerSpot reviewer
Software Engineer at ValueMomentum
Collaborative API workflows have improved testing speed and streamlined multi-team releases
The best features of Postman Enterprise are team collaborations, automated API testing, environment management, and API governance. The shared workspace and collections make collaborations very smooth across the teams, and automated testing and CI/CD integrations help catch issues early. I also appreciate the governance and security features because they help maintain API standards and consistency across large projects. API governance has helped my team maintain consistent API naming, request structures, and documentation standards across multiple services, reducing confusion between the teams and making onboarding easier. On the security side, environment variables and access control helped me avoid exposing sensitive data such as tokens or API keys, and they also made collaborations safer because different teams could access only the resources they needed. I found that the collections runner and automated testing features are very valuable because they save a lot of manual task time and help identify issues quickly during deployments. Postman Enterprise has improved collaborations, reduced API integration issues, and sped up the testing cycles in my organization. It provides a centralized platform for API development, documentation, and testing, which has improved consistency while reducing communication gaps between the frontend, backend, and QA teams. It has also helped catch issues earlier in the development cycle, improving overall release quality.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"I highly recommend AlertSite to other users."
"The return on investment of this solution is well witnessed in our organization because of the integration and various capabilities that it offers to interact with the upstream or downstream systems."
"This solution has numerous advantages; it's extremely simple to configure, and either digital monitors or single-URL monitors are simple to configure and build."
"My company went with AlertSite because as a tool, it's fast, easy to maintain, and provides great support."
"If there are any issues, it triggers an alert within 30 seconds."
"The best feature of AlertSite is that it shows you a visual graph and also sends you notifications about errors, so you get immediate notifications about errors which means that your support team can start taking steps and more quickly make sure the site is up and that customer experience isn't interrupted in terms of using your system and your products. AlertSite is a very good tool. It's user-friendly, and you can see everything on the dashboard. Configuring it is also easy."
"I found multiple features in AlertSite that I like. One is data monitoring history, for example, a history of the blackouts and the data. Sometimes, there's a glitch in the application that AlertSite can capture, and the tool notifies you about that glitch. It also identifies issues that could happen in the future. AlertSite is also a fast tool that you can use to monitor on-premise servers, internal applications, and even global applications. The data is available on a single UI in AlertSite, so there's no need to monitor and click on different applications or URLs. I also love that the tool is quite user-friendly, apart from being fast."
"There are custom reports available along with the inbuilt reports."
"The user-interface is very good."
"It is nice to have different workspaces. You have your personal workspace, and then you have a team workspace. In general, I like its UI. It is quite cool."
"I can use multiple environments, which allows me to create environment variables for each endpoint."
"The most valuable feature of Postman is the large libraries."
"Postman is open-source and free to use."
"Postman is useful for API testing."
"Postman is a very important tool for API testing and it has helped our company."
"It is simple, easy to use and a good tool."
 

Cons

"AlertSite requires improvements related to security, even at the enterprise level."
"What needs improvement in AlertSite is the documentation, particularly the lack of documentation."
"I could use a few changes to the user interface."
"In terms of support, it is all based on the cost of the subscription that our company purchased, but it wasn't great, and it could've been much better."
"Additionally, support from AlertSite is not at an enterprise level since it is not offered 24/7."
"AlertSite sometimes triggers false alerts or fake alerts, which needs to be rectified. When we see an alert and go ahead and run certain tests on it, the test always passes. However, on the main screen, it shows up as critical. Therefore, the false alert needs to be fixed."
"AlertSite sometimes triggers false alerts or fake alerts, which needs to be rectified. When we see an alert and go ahead and run certain tests on it, the test always passes, however, on the main screen, it shows up as critical."
"It is not compatible with all of the product platforms that we use."
"An area that needs some improvement would be to allow multiple windows with different collections to be open at the same time."
"Postman could be improved by providing options for performance testing of APIs."
"I have display issues in my Windows that need to be fixed."
"Scalability-wise, it can be improved a little bit. They can include more options to do the performance testing or rate testing so that we can query or push a lot of requests to our APIs."
"The request encryption could be one thing on which they can work a little bit. If we don't want to expose our production data but we still want to test our APIs on the production data, there should be a way to do that. It is not only with Postman. I think no tool in the market is doing that right now."
"If they could implement auto-validations and assertions from SoapUI, that would be a very good feature."
"We do the implementation of Postman and give support. We had to use two engineers for the implementation, one senior and one junior for the process."
"The downside of using this solution is that you need to know JavaScript."
 

Pricing and Cost Advice

"We purchased the license once and had the option of selecting the number of user licenses."
"The cost is high."
"My company pays to use AlertSite, but I'm unsure of the exact costs because it depends on how many monitors you have."
"I rate the price of Postman a four out of five."
"I rate the product's price a nine or ten on a scale of one to ten, where one is cheap, and ten is very expensive. Postman is an expensive tool for Turkey."
"The solution has moderate pricing."
"Postman is a free service."
"We are using the free version that is available."
"Its price is moderate as compared to other competitors. The version that we are using is not open source, so it is not free."
"This solution offers a free version."
"This is an open source solution."
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Top Industries

By visitors reading reviews
Construction Company
21%
Financial Services Firm
15%
Comms Service Provider
11%
Marketing Services Firm
7%
Financial Services Firm
16%
Insurance Company
9%
Computer Software Company
9%
Healthcare Company
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Large Enterprise8
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise12
Large Enterprise42
 

Questions from the Community

What is your experience regarding pricing and costs for AlertSite?
I would rate the pricing aspects of AlertSite as nine out of ten, indicating it is good or low-priced.
What needs improvement with AlertSite?
SmartBear, as a vendor, is focusing more on API management and testing rather than monitoring. AlertSite could benefit from more future-focused innovation, especially with competencies in generativ...
What is your primary use case for AlertSite?
I have been working with the AlertSite ( /products/alertsite-reviews ) product since 2019. Within our organization, specifically one service unit at one of the Big Four firms, this product has been...
How does Postman compare with Apache JMeter?
Postman lets you easily define variables, which then get updated automatically. This is a huge time-saver and makes processes very efficient. We can also export the test cases we create and share t...
What is your experience regarding pricing and costs for Postman?
Postman is much cheaper than the other tools. I am not aware of the current pricing for Postman because that's taken care of by the client; we just pay and they simply create options. On a per-pers...
What needs improvement with Postman?
I would like to see AI integration in Postman Enterprise. As I mentioned, I need mock servers at times, so it would be good if I can input my requirements in the mock server and it can itself creat...
 

Overview

 

Sample Customers

JetBlue, Payless ShoeSource, Hilton Inc., StubHub, Symantec, Newegg, Sapient, AstraZeneca, Dell, Quest Diagnostics
PayPal, Shopify, Microsoft, Adobe, Atlassian, Twitter, BestBuy, Coursera
Find out what your peers are saying about AlertSite vs. Postman Enterprise and other solutions. Updated: April 2026.
893,221 professionals have used our research since 2012.