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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    IBM Z

    Score9.4 out of 10
    N/AIBM Z is the company's mainframe enterprise server solution product line.N/A

    Postman

    Score8.7 out of 10
    N/APostman, headquartered in San Francisco, offers their flagship API development and management free to small teams and independent developers. Higher tiers (Postman Pro and Postman Enterprise) support API management, as well as team collaboration, extended support and other advanced features.

    $0

    Pricing
    IBM ZPostman
    Editions & Modules
    No answers on this topic
    Postman Free Plan
    $0.00 US Dollars
    Postman Basic Plan
    $12 US Dollars
    per month per user
    Postman Professional Plan
    $29 US Dollars
    per month per user
    Postman Enterprise Plan
    $99 US Dollars
    per month per user
    Offerings
    Pricing Offerings
    IBM ZPostman
    Free Trial
    NoNo
    Free/Freemium Version
    NoYes
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeOptionalNo setup fee
    Additional Details—1. Postman Free plan: Start designing, developing, and testing APIs at no cost for teams of up to three people. 2. Postman Basic plan: Collaborate with your team to design, develop, and test APIs faster; $12/month per user, billed annually 3. Postman Professional plan: Centrally manage the entire API workflow; $29/month per user, billed annually 4. Postman Enterprise plan: Securely manage, organize, and accelerate API-first development at scale; $99/month per user, billed annually
    More Pricing Information
    Features
    IBM ZPostman
    API Management
    Comparison of API Management features of IBM Z and Postman
    Feature
    IBM Z
    -
    Ratings
    Postman
    8.1
    40 Ratings
    4% below category average
    API access control00 Ratings9.337 Ratings
    Rate limits and usage policies00 Ratings7.118 Ratings
    API usage data00 Ratings8.117 Ratings
    API user onboarding00 Ratings8.321 Ratings
    API versioning00 Ratings8.229 Ratings
    Usage billing and payments00 Ratings7.816 Ratings
    API monitoring and logging00 Ratings8.136 Ratings
    Best Alternatives
    IBM ZPostman
    Small Businesses
    Dell PowerEdge
    Score7.6 out of 10
    Amazon API Gateway
    Score7.2 out of 10
    Medium-sized Companies
    Dell PowerEdge
    Score7.6 out of 10
    Azure API Management
    Score9.1 out of 10
    Enterprises
    IBM Power
    Score9 out of 10
    OCI API Management
    Score7.9 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    IBM ZPostman
    Likelihood to Recommend
    9.6
    (42 ratings)
    8.5
    (44 ratings)
    Likelihood to Renew
    10.0
    (3 ratings)
    -
    (0 ratings)
    Usability
    4.0
    (2 ratings)
    8.6
    (8 ratings)
    Availability
    10.0
    (1 ratings)
    -
    (0 ratings)
    Performance
    10.0
    (1 ratings)
    -
    (0 ratings)
    Support Rating
    9.9
    (3 ratings)
    7.1
    (11 ratings)
    In-Person Training
    9.0
    (1 ratings)
    -
    (0 ratings)
    Online Training
    8.0
    (1 ratings)
    -
    (0 ratings)
    Implementation Rating
    8.0
    (2 ratings)
    -
    (0 ratings)
    Configurability
    9.0
    (1 ratings)
    -
    (0 ratings)
    Ease of integration
    9.0
    (1 ratings)
    9.0
    (1 ratings)
    Product Scalability
    10.0
    (1 ratings)
    -
    (0 ratings)
    Professional Services
    9.0
    (1 ratings)
    -
    (0 ratings)
    Vendor post-sale
    9.0
    (1 ratings)
    -
    (0 ratings)
    Vendor pre-sale
    8.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    IBM ZPostman
    Likelihood to Recommend
    IBM
    Most of the time, server utilization is reliable and stable during peak times. Truly amazing, this product offers a lot and gets it done in no time without any confusion.It is reliable, too accurate and the performance is top-notch. It seems to be competitive in all virtual energy systems and its connectivity is also good. It's available at a low cost, but it's enough to have as many low-cost, more efficient systems as possible. It's a minor thing, but very rarely, it can cause work interruptions while it can get stuck due to more frequent use such as restless work. These power servers are very efficient and really help when things go wrong. I am using this product to retrieve data much faster.
    Read full review
    Postman
    Postman is good for organising your API credentials, vendor settings, environments etc. It's also a good way of getting stared with APIs as you get to use a GUI which can help you understand what we mean by a 'body' or 'bearer token'. I think people generally gravitate towards GUI tools for getting started in a new technology area.
    Incentivized
    Read full review
    Pros
    IBM
    • Virtualization for Scale-Out and Scale-Up in the same footprint
    • Security for different workloads: Large Confidential Computing and lightweight Secure Execution
    • Performance is a true game changer: extreme throughput powered by amazingly huge caches.
    • The one and only FIPS 140-2 Level 4 HSM on this planet
    • Quantum Safe Encryption NOW!
    • AI infusion to every transaction
    Incentivized
    Read full review
    Postman
    • It has opened a door for me to explore more out of it, as it is associated with so many APIs that I never felt any difficulty in finding the right API template, which are well organized and easily available.
    • It is very secure to use and provides great services which are user-friendly.
    • Due to this software I have got rid of the excessive emails and the slack channels, Now I am using my own private API and even it give me an option to produce my personal Postman’s API Builder from its Private API Network and this features has shared my excessive workload.
    Incentivized
    Read full review
    Cons
    IBM
    • It would be good if IBM could demonstrate more use cases for Z to potential clients
    • A migration strategy from Open Systems to Z would be helpful
    • Any additional marketing to could explain the benefits of Z/Linux, especially now that RedHat is in the mix.
    Incentivized
    Read full review
    Postman
    • Wherever you need to automate tests that involve database verification or rely on data from databases, Postman is less suitable.
    • Postman's disc usage is extremely high, and it occasionally causes the computer to fade.
    • It doesn't have the ability to generate random data. To achieve randomness in my tests, I've been working around scripts.
    Read full review
    Likelihood to Renew
    IBM
    The IBM Z mainframe capabilities are unmatched for cloud readiness and optimization the learning capabilities are matched perfectly with Watson and the expandability of the cloud makes it a perfect choice.
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Usability
    IBM
    Once you learn how, it easy. It's different than most other systems
    Incentivized
    Read full review
    Postman
    1. Friendly user friendly - when I started using Postman, I was a beginner to the API world, and it gave me a friendly view to begin its usage 2. Postman offers many features, including API testing, monitoring, documentation, and mock servers 3. Environment variables simplify testing across multiple environments (dev, prod) without repetitive configuration.
    Incentivized
    Read full review
    Reliability and Availability
    IBM
    The Z in IBM Z is for zero down time. If you configure your system according to IBM's best practices, you can achieve zero downtime
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Performance
    IBM
    Performance is a major part when you configure your system. IBM has many tools to study your system and suggest the appropriate configuration. With the right contract, you can add processing power dynamically and remove it when no longer needed
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Support Rating
    IBM
    Support is usually superb, only occasionally dropping to very good. We participate in some of the CD (Continuous Delivery) aspects of z/OS, IMS, MQ, and DB2.
    Incentivized
    Read full review
    Postman
    There is a lot of in-depth documentation for Postman available online, including detailed guides with screenshots and videos. They provide example APIs for new users to explore while learning how to use the tool. Generally, bugs in the client are quickly addressed through frequent free updates. Community and professional support options are available - most of the time, the free/community level support is adequate
    Incentivized
    Read full review
    In-Person Training
    IBM
    Over my 33 years on this platform, I attended many in person courses, conferences, and other training opportunities.
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Online Training
    IBM
    There are many online courses from both IBM and other vendors. Most are great. All of the documentation is available online.
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Implementation Rating
    IBM
    I do not personally have any key insights regarding implementation of IBM Z Enterprise Servers as that is what our mainframe architects do.
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Alternatives Considered
    IBM
    IBM Z is the best storage solution as it provides the best in class data protection with the cryptographic hardware keys, no loss in data while migration, and a user-friendly interface that makes it easy for develops to understand and has less of a learning curve. This makes it well above the competition.
    Incentivized
    Read full review
    Postman
    Previous to using Postman, I would either use browser tools directly, or write an in-house tool to send requests. Postman eliminates that need while providing a much better experience and more features. At the base level, Postman is as simple as typing in the address as you would in a browser. Authentication can be provided simply as well.
    Incentivized
    Read full review
    Scalability
    IBM
    If you need more processing power, just add more CPU's or memory. The largest system can have close to 200 CPU's and 40 TB of memory. If that is not enough, you can add more physical computers, and connect them using a sysplex
    Incentivized
    Read full review
    Postman
    No answers on this topic
    Return on Investment
    IBM
    • With IBM Z we really feel a different positive impact on our company. A trustworthy and the most powerful place we have ever.
    • A unique computing platform that helps a lot for the progress of our company.
    • It keeps our data save, encrypted.
    Incentivized
    Read full review
    Postman
    • Postman is free (although there's a paid tier that offers more features) so using it for testing APIs comes with little to no risk (besides learning curve).
    • The learning curve is a little steep for non-developer users, but developers should find it easy to pick up and use right out of the box, so to speak.
    Incentivized
    Read full review
    ScreenShots

    IBM Z Screenshots

    Screenshot of IBM z17™ single-frame 

This configuration is optimized for enhanced modularity and is available in a traditional factory-frame setup. It provides advanced capabilities and is ideal for environments requiring a robust and scalable solution within an industry-standard footprint.  

IBM z17™ single-frame 

This configuration is optimized for enhanced modularity and is available in a traditional factory-frame setup. It provides advanced capabilities and is ideal for environments requiring a robust and scalable solution within an industry-standard footprint.Screenshot of IBM z17™ multi-frame 

This configuration is designed for general-purpose use, offering a balance of performance, scalability and security suitable for a wide range of applications.Screenshot of IBM z17™ rack mount 

This rack-mounted configuration allows for installation in existing data center rack infrastructures, providing flexibility and integration with current systems. It combines IBM Z's strengths with the convenience of modern rack-mounted hardware.

    Postman Screenshots

    Screenshot of API design - You can design your API specifications in Postman using OpenAPI, RAML, GraphQL, or SOAP formats. Postman’s schema editor makes it easy to work with specification files of any size, & it validates specifications with a built-in linting engine.Screenshot of API documentation - Postman automatically generates documentation & supports markdown-enabled and machine-readable documentation. Docs automatically include request details & sample code. Share the docs with your team, in a public workspace, or in a dedicated portal.Screenshot of API testing - Build and run functional, integration, & regression tests directly in Postman or as part of your CI/CD pipeline with Newman (Postman’s a command-line Collection Runner that enables you to run & test a collection from the command line).Screenshot of Public workspaces - Public workspaces allow you to share your APIs publicly with anyone. You can use public workspaces to gather feedback on your APIs, onboard developers quickly, or just showcase your work.Screenshot of Reporting - Postman generates reports that enable you to visualize data for team metrics and usage, & for API activities such as creation, collection execution, and test runs. Use reports to get insights on performance, troubleshooting, & SLA adherence.