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AlertSite vs Postman Enterprise comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 2025

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 (36th)
Postman Enterprise
Ranking in API Monitoring Software
1st
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
65
Ranking in other categories
API Management (8th), API Testing Tools (1st), AI Software Development (6th)
 

Mindshare comparison

As of January 2026, in the API Monitoring Software category, the mindshare of AlertSite is 10.6%, down from 11.5% compared to the previous year. The mindshare of Postman Enterprise is 39.4%, down from 42.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
API Monitoring Software Market Share Distribution
ProductMarket Share (%)
Postman Enterprise39.4%
AlertSite10.6%
Other50.0%
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.
TS
API Integration Engineer at Airbnb
Automated testing optimizes API workflow and collaboration
Since I am using the free tier, one improvement would be to increase the number of requests you can send in a short time period. Currently, if I send 200-300 requests in a short period, Postman Enterprise requires a 30-second wait before sending another bundle of requests unless you upgrade to a higher tier. Secondly, Postman Enterprise sometimes takes several minutes to load the whole workspace. With 2,000-3,000 requests in a workspace, it can take a minute or two to load all requests. When creating a new workspace and moving requests between workspaces, depending on internet speed, it can take a longer period to copy those requests or workspace from one place to another.

Quotes from Members

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

Pros

"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."
"If there are any issues, it triggers an alert within 30 seconds. When it triggers the alert, we go ahead and check it immediately. The alert is triggered on a real-time basis."
"The alerting capabilities of AlertSite were really helpful."
"The alerting capabilities were really helpful."
"I highly recommend AlertSite to other users."
"This solution has numerous advantages. It's extremely simple to configure. Either digital monitors or single-URL monitors are simple to configure and build."
"There are custom reports available along with the inbuilt reports."
"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."
"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."
"This product deserves an eight out of ten."
"Postman is easy to use and enables us to test all possible API testing scenarios."
"The solution has helped us very well in testing endpoint URLs."
"In Postman, we have an option to directly import a call, make it a Postman collection, and execute it in a batch. This feature is very useful. It saves a lot of time. The manual effort is also reduced when we can just pick it in a Postman collection and then run and execute it to get the results."
"We can also submit requests multiple times and it allows us to capture the response each time by using utility scripts."
"It's easy to see different versions of responses."
"The solution has a great user interface and collection of features."
 

Cons

"Additionally, support from AlertSite is not at an enterprise level since it is not offered 24/7."
"I would like the ability to get more data points with regard to some of the unique requirements that we have."
"One area that needs improvement in AlertSite is the slow UI. I'm using the classic UI because it's quite user-friendly, or in human-readable format, but it's a little slow. It takes time to load all the monitors, so if that could be sped up, that would be helpful. The AlertSite support team also needs improvement in terms of availability. Most of the agents in the team aren't available 24 x 7, so if there's something you need to discuss, you need to tell the support team ahead of time to schedule it. Multiple times, when a case comes up during weekends or whenever my team is doing an update, support needs improvement, availability-wise. I use AlertSite for synthetic monitoring, so whatever is available right now is okay, but if I want to request a new feature on a website, currently, the UI refreshes automatically. I would like to have the option on AlertSite to configure that manually. The UI auto-updates every few minutes, so if I can control that manually, that would be helpful."
"What needs improvement in AlertSite is the documentation, particularly the lack of documentation. If there's a specific activity you want to do, you can't even find information on how to do it, so you have to contact the AlertSite support team to assist you, and only then would the issue be resolved. At the moment, it's not easy to find or get full documentation on how to deal with different issues. You always have to go back to AlertSite support and get help. The documentation for AlertSite could be improved and it's what I'd like to see in the next release of the tool because at the moment, the documentation isn't complete, so you'll have to contact support, but contacting support isn't an issue because the team responds to you quickly."
"I could use a few changes to the user interface."
"It is not compatible with all of the product platforms that we use."
"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."
"Should have a more improved easy-to-use interface."
"We cannot see transaction times in the product."
"During the development phase, you will face issues, but once it goes to production, you won't face such issues."
"If we have a certain build on one machine it won't work with another build even if we are using the same URL. It would give us a connection refuse. So developing environment compatibility would make it better."
"I would like that if you click on one of the fields you should be able to see the entire row of fields, names, and values."
"There are definitely features that could be improved; for example, if you derive it from Ready API, maybe Postman can be a good contender and replicate some features such as more scripting and control over API calls."
"Integration of the solution towards Bitbucket, BitHub, and CI pipelines is difficult."
"One of the primary challenges with Postman is handling authentication issues, especially relating to tokens and passwords."
 

Pricing and Cost Advice

"My company pays to use AlertSite, but I'm unsure of the exact costs because it depends on how many monitors you have."
"The cost is high."
"We purchased the license once and had the option of selecting the number of user licenses."
"The solution is free for individuals, but for companies that use it across the organization, you have to pay per user."
"Postman is an open-source product. It is free to download from Google."
"I rate the price of Postman a four out of five."
"It is free."
"This is an open source solution."
"We are using the free version that is available."
"I am using the free option."
"We use the open-source version. They introduced a new licensing model where your company must subscribe to their services if you're using it for business purposes. However, I think they charge too much if you're only using the basic features. It limits what your organization can do if you're not a paying customer."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
19%
Computer Software Company
14%
Insurance Company
8%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Large Enterprise8
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise9
Large Enterprise41
 

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 do you like most about Postman?
The product is easy to implement.
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...
 

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: December 2025.
879,889 professionals have used our research since 2012.