AlertSite vs Postman comparison

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95% willing to recommend

AlertSite

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between AlertSite and Postman based on real PeerSpot user reviews.

Find out in this report how the two API Monitoring Software solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.

To learn more, read our detailed AlertSite vs. Postman Report (Updated: March 2025).

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AlertSite vs. Postman

March 2025

Helped 847,862 peers since 2012

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

7.6

Number of Reviews

Ranking in other categories

Application Performance Monitoring (APM) and Observability (37th)

Postman

Ranking in API Monitoring Software

1st

Average Rating

8.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

API Management (11th), API Testing Tools (2nd)

Mindshare comparison

As of April 2025, in the API Monitoring Software category, the mindshare of AlertSite is 8.9%, down from 12.2% compared to the previous year. The mindshare of Postman is 44.5%, up from 44.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.

API Monitoring Software

Featured Reviews

SandeepTarwe

Team lead at Tata Consultancy

Alerting capabilities have enabled timely escalation and resolution of issues

In AlertSite, I was monitoring the kiosks and servers for JetBlue Airlines. The servers would trigger alerts if there were any outages or issues with any of the kiosks, servers, or the ticketing tool. I monitored these alerts and escalated them to the concerned team to rectify them at the earliest…

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Anagha Mahadik

Product Development Manager at a university with 5,001-10,000 employees

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.

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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."

"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."

"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."

"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."

"This product deserves an eight out of ten."

"The solution provides visibility for PDF reports without needing to install plugins."

"It's user-friendly. Anybody can learn it within five to seven minutes."

"The interface and the different types of API methods you can use are the most valuable aspects of this solution."

"It is a scalable solution."

"Overall rating: Ten out of ten."

"The API testing features are valuable."

"The solution has a great user interface and collection of features."

Cons

"It is not compatible with all of the product platforms that we use."

"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."

"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."

"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."

"I would like the ability to get more data points with regard to some of the unique requirements that we have."

"I would like to see advanced automation in reference to Postman."

"One of the features that is missing in Postman is reporting; it's very basic."

"I would like to have a code snippet where I can write a code and for the responses of the endpoints to be validated using my custom business conditions."

"Postman needs more advanced data-driven testing."

"I would like to see improvements in the maintenance of the scripts and their collections. It is really painful that the user cannot drag and drop. It was also painful to create the standard suite of operations for the product. I am not sure if this is improved in the tool’s latest versions. The maintenance of the complex scenarios prompted us to use the solution only for unit testing. In the future, we may switch to the k6 framework."

"To get this email reporting function, we have to integrate Postman with Newman. If the two are not integrated, we won't be getting all these things in one group."

"The main improvement needed is better integration with test management and other tools to allow a common dashboard for all testing metrics and details."

"They should integrate the solution with one of the CRM solutions."

Pricing and Cost Advice

"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."

"We purchased the license once and had the option of selecting the number of user licenses."

"We are using its free version."

"Postman is a free service."

"The solution has a licensing fee which might be prohibitive."

"We are using the free version that is available."

"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."

"I use the tool's free version."

"Postman is an open-source product. It is free to download from Google."

"The solution is open-source and free."

Top Industries

By visitors reading reviews

Financial Services Firm

23%

Computer Software Company

16%

Real Estate/Law Firm

11%

Healthcare Company

Financial Services Firm

22%

Computer Software Company

16%

Insurance Company

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

What is your experience regarding pricing and costs for AlertSite?

The pricing is reasonable.

What needs improvement with AlertSite?

When I last worked with AlertSite, everything was okay. However, we could make some changes to the UI. While it was user-friendly, making it a bit easier for new users to work on would be beneficial.

What is your primary use case for AlertSite?

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.

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Tricentis Tosca vs Postman

Compared 16% of the time

Apache JMeter vs Postman

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Katalon Studio vs Postman

Compared 14% of the time

Parasoft SOAtest vs Postman

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Product Reports

Download AlertSite product report

AlertSite

April 2025

Download Postman product report

March 2025

Overview

SmartBear's AlertSite is an application performance management and system monitoring software. AlertSite is an early warning system that users can rely on to monitor their websites, web apps, and APIs from any physical location as well as from within their private networks. It offers real-time alerting with root-cause analytics and robust reporting. AlertSite allows you to proactively monitor from an independent network of over 350 monitoring nodes worldwide.

Here are AlertSite’s 6 use cases:

Monitor web: AlertSite monitors beyond availability to detect performance anomalies and notify the appropriate people when deviations occur, whether it's online apps or websites.
Monitor APIs: Check to see that your internal, external, and third-party APIs are working properly, returning the correct content, and performing as expected.
Monitor apps: With nearly any action, monitor your online sites and applications using actual browsers, just like a consumer. There is no need for scripting.
Monitor mobile: Monitor your mobile-friendly websites, native mobile apps, carrier-based nodes, and network speeds with real devices (3G, 4G LTE).
Monitor SLAs: Make sure you're meeting service-level agreements' requirements. SLA requirements are monitored and reported on by AlertSite.
Monitor cloud: Monitor your cloud-based applications to improve mobility. AlertSite monitors your apps across public and private clouds, giving you complete visibility into their status.

AlertSite Features

AlertSite has many valuable key features. Some of the most useful ones include:

Enables a comprehensive view of UI and API performance.
Monitoring coverage from 350+ worldwide nodes and private networks.
Integrates with DevOps and Ops tool stacks.
Displays availability and performance data that assist in determining the root cause of performance problems.
With AlertSite's Single Sign-On (SSO) support, you can assist your authentication procedures.
Free training and assistance. AlertSite’s responsive team is always there to assist you, from the initial rollout through day-to-day support.
Eliminates the stress of false alerts using these key features:
- Tracks the performance of your apps, APIs, and websites.
- Sets up monitor and alarm schedules, as well as blackout periods and retry choices.
- Sets alert thresholds that are both static and dynamic.
- Calculates the number of failures needed to set off an alarm.
- After the first failure, retries logic.
- Based on error code, sends an alert to recipients and group routing.
- Tests from over 85 different locations across the world, with internal and external monitoring.
- Defines assertions and validations.
- Integrates with PagerDuty, Slack, Splunk, VictorOps, and more.

Easy configuration with help from these key features:
- DejaClick is an intuitive, seamless plug-in for documenting web transactions and user journeys.
- Use the point-and-click script creation for website, web, and mobile monitor scripts.
- Benefit from using native API monitor creation.
- Scripts for functional tests can be reused.
- Automate monitor creation by using Swagger Specs or OpenAPI Specification files.

SmartBear

Postman's Tools Support Every Stage of the API Lifecycle. Through design, testing and full production, Postman is there for faster, easier API development - without the chaos.

Sample Customers

JetBlue, Payless ShoeSource, Hilton Inc., StubHub, Symantec, Newegg, Sapient, AstraZeneca, Dell, Quest Diagnostics

PayPal, Shopify, Microsoft, Adobe, Atlassian, Twitter, BestBuy, Coursera