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Boomi AtomSphere API Management vs OpenLegacy comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 17, 2024

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

Boomi AtomSphere API Manage...
Ranking in API Management
26th
Average Rating
7.6
Reviews Sentiment
6.8
Number of Reviews
9
Ranking in other categories
No ranking in other categories
OpenLegacy
Ranking in API Management
36th
Average Rating
7.6
Reviews Sentiment
6.2
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the API Management category, the mindshare of Boomi AtomSphere API Management is 0.8%, up from 0.5% compared to the previous year. The mindshare of OpenLegacy is 0.5%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
API Management Market Share Distribution
ProductMarket Share (%)
Boomi AtomSphere API Management0.8%
OpenLegacy0.5%
Other98.7%
API Management
 

Featured Reviews

ShashankRavikumar - PeerSpot reviewer
Enables real-time insights and secure API management for efficient customer interactions
The main improvement needed is the ability to have different base URLs for HTTP and HTTPS for different clients. Currently, I can have only one base URL for one atom. It would help if I could set up a proxy with different URLs within Boomi as a simple configuration instead of needing external applications. Also, Boomi can integrate AI to manage backend loads and provide insights into runtime engine consumption.
reviewer1042905 - PeerSpot reviewer
The biggest advantage is how simple the technology was.
I'd like to see OpenLegacy develop its low-code/no-code (LCNC) solutions. They've expanded somewhat their horizons for integration beyond mainframe CICS, which is their sweet spot. They have some tooling in that area, but it's not as good as it needs to be. OpenLegacy handles the bread-and-butter TP monitoring stuff, but I am working for one of the six banks in the United States still using the Hogan mainframe, which has a slightly proprietary mechanism. But OpenLegacy currently doesn't have a connector for Hogan. So it would help if they could build one. That would appeal to financial institutions that still use Hogan, like US Bank, Wells Fargo, KeyBank, and Vanguard.

Quotes from Members

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

Pros

"We can develop almost any interface that we need."
"Boomi allows for more secure URLs and easy customization of HTTP and HTTPS protocols, which I find very beneficial."
"Integrations take less time."
"The product's stability is good."
"AtomSphere API Management is a simple platform that's easy to use. If you're using it on-prem, there's a little learning curve."
"AtomSphere is tightly integrated into the Boomi iPaaS platform. And Boomi has been augmenting AtomSphere API Management for the past couple of years so version 2.0 is better than 1.0."
"The stability of the solution is good."
"Boomi AtomSphere API Management is a good product for integrating with Boomi as a backend service."
"It is possible to connect a service to a mainframe program or back transaction in a matter of minutes or hours at the most."
"Using OpenLegacy, the exposure of services is far easier and quicker. In many cases, exposure of services requires just a few clicks and takes only minutes. In very complex cases, it still only takes half a day. Without OpenLegacy, it would take us several months to create the same services."
"It is possible to solve larger legacy API issues on an enterprise level with this product."
"Opens the door to connect modern web products to an old legacy system."
"Using mainframe programs (not screens), the OpenLegacy services do not require any changes by the mainframe programmers, thus reducing development cycles."
"OpenLegacy produces a war file which includes everything you need to deploy a Tomcat server."
"The biggest advantage of OpenLegacy was how simple the technology was. We were able to build out the OpenLegacy parts very quickly. We put together a couple hundred APIs in six months."
"OpenLegacy provides a way to go from the outside world to the legacy mainframe, to move the old standard application to a REST API application. New digital services can be created in a few clicks and this can be done easily by COBOL programmers."
 

Cons

"The product is really complex to manage."
"Boomi AtomSphere API Management can be improved in terms of threshold management and policy management."
"The API management has room for improvement."
"To some degree, you need to know what type or amount of API you are creating - whether it's a rest API or web service API. You need to know ETL in order to really get the most out of Boomi."
"From an improvement perspective, the price could be cheaper."
"Most of the basic functionality is there in Boomi, but APG is a more feature-rich solution."
"The solution must provide more AI services."
"Scalability is an area where Boomi lacks."
"Debugging and logging for programmers could be better."
"Customer support for the product is slow and not very good. It makes using the product difficult if you need help quickly."
"I would like to see SSL out-of-the-box. OpenLegacy certainly does SSL, but it was not the default for our use case. We are currently working with OpenLegacy to cross the SSL bridge and suspect that most users will want to do the same."
"I'd like to see OpenLegacy develop its low-code/no-code (LCNC) solutions. They've expanded somewhat their horizons for integration beyond mainframe CICS, which is their sweet spot. They have some tooling in that area, but it's not as good as it needs to be."
"We would also be more than happy if the product had the option to work in the opposite direction – the ability to consume REST/SOW services in the outer world from the mainframe."
"The pricing of the solution could be more flexible and allow for once-off payment versus annual licensing. This would be more appealing to companies in Latin America."
 

Pricing and Cost Advice

"Boomi AtomSphere API Management gives customers a good price. Price-wise, the product is good."
"Boomi AtomSphere API Management is a cheap product."
"The product can get very expensive quickly if you connect to multiple databases."
"The price is reasonable."
"The pricing of the solution could be more flexible and allow for once-off payment versus annual licensing. This would be more appealing to companies in Latin America."
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Top Industries

By visitors reading reviews
Energy/Utilities Company
11%
Manufacturing Company
9%
Retailer
9%
Government
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise4
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Boomi AtomSphere API Management?
In terms of pricing, Boomi is expensive for small companies due to its license model. For enterprise companies, it is cheaper than competitors like MuleSoft, as large enterprise accounts have huge ...
What needs improvement with Boomi AtomSphere API Management?
The main improvement needed is the ability to have different base URLs for HTTP and HTTPS for different clients. Currently, I can have only one base URL for one atom. It would help if I could set u...
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Also Known As

Boomi API Management
No data available
 

Overview

 

Sample Customers

Avalara, Cornell University, Dropbox
Many of openLegacy's global customers are among the Global 100 companies. Review case studies in these industries: Agriculture, Airport Authority, Automotive, Auto, Finance, Insurance, Government, Healthcare, Manufacturing, and Retailwww.openlegacy.com/case-studie...
Find out what your peers are saying about Boomi AtomSphere API Management vs. OpenLegacy and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.