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AlertSite vs Postman comparison

 

Comparison Buyer's Guide

Executive Summary

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
4th
Average Rating
8.0
Reviews Sentiment
7.4
Number of Reviews
5
Ranking in other categories
Application Performance Monitoring (APM) and Observability (39th)
Postman
Ranking in API Monitoring Software
1st
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
59
Ranking in other categories
API Management (12th), API Testing Tools (2nd)
 

Mindshare comparison

As of January 2025, in the API Monitoring Software category, the mindshare of AlertSite is 11.5%, down from 12.8% compared to the previous year. The mindshare of Postman is 42.6%, down from 44.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
API Monitoring Software
 

Featured Reviews

Suraj Branwal - PeerSpot reviewer
Quickly triggers alerts, fast and user-friendly, and makes data available in a single UI
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.
Anagha Mahadik - PeerSpot reviewer
Solution simplifies web service testing with impressive speed and accessibility
It is very easy for me to use and I highly prefer it compared to SoapUI and other products for performing its job. It is more handy and faster. It has impacted us very nicely. Postman is used for free by us. I'm not sure if there might be a paid version for multiple users. It is a very good product used for development. It is easy to install, as well as to learn, particularly for new users, even if they are not developers. I taught my business analyst to use it. I just showed them once, and it was easy for them to understand. For example, I gave them the URL and request format and asked them to test independently. They were able to use it on their own and do their testing as well. It was a good experience, especially for generally smart people, like those we usually hire in our company. It is pretty easy to explain, and learning it is not complex.

Quotes from Members

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

Pros

"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."
"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."
"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."
"It is easy and simple to use and install. It is compatible with Linux, Mac or Windows."
"This solution offers a free version."
"The solution is stable."
"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."
"The initial setup is simple."
"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."
"The solution is open-source and does the work required for day-to-day API testing activities."
 

Cons

"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 would like the ability to get more data points with regard to some of the unique requirements that we have."
"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."
"Something that could be better is the inclusion of another type of test, for example, end-to-end tests."
"Integration should be improved with our continuation system because we use Azure DevOps separately."
"The solution could be more user-friendly."
"Reporting can be better. If you have bigger APIs, it takes time."
"Should have a more improved easy-to-use interface."
"I don't think there is any need for comments on improvements."
"One of the features that is missing in Postman is reporting; it's very basic."
"Postman does not have database validation available, which affects its scalability."
 

Pricing and Cost Advice

"The cost is high."
"We purchased the license once and had the option of selecting the number of user licenses."
"My company pays to use AlertSite, but I'm unsure of the exact costs because it depends on how many monitors you have."
"The solution has moderate pricing."
"Postman is an open-source product. It is free to download from Google."
"We are using its free version."
"The solution is open-source and free."
"I am using the free option."
"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."
"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
Financial Services Firm
20%
Computer Software Company
14%
Manufacturing Company
10%
Real Estate/Law Firm
10%
Financial Services Firm
22%
Computer Software Company
15%
Manufacturing Company
8%
Insurance Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

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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 open-source, so the cost is minimal compared to commercial platforms.
 

Comparisons

 

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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 and other solutions. Updated: January 2025.
831,265 professionals have used our research since 2012.