Assertible Alternatives

Apps similar to Assertible include Postman, which has a free version. Other options are Insomnia REST Client, Yaak, Hoppscotch and Pingdom. You're spoiled for choice with API Clients like Assertible: we list more than 50 alternatives for Mac, Linux, Windows, the web and Chrome OS.

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Alternatives
Assertible alternatives page was last updated

Alternatives list

  1. Simple Ping icon
     1 like

    Simple-ping.com | Seamlessly monitor your websites, web applications and servers

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  2. Step CI icon
     1 like

    Open-source API Test Automation framework.

    Cost / License

    Platforms

    • Self-Hosted
    Good alternative?
     
  3. Lean20 Ping icon
     2 likes

    Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
  4. Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    Good alternative?
     
  5. Escambo icon
     Like

    Escambo is an HTTP-based APIs test application for GNOME.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
  6. Uptimely icon
     1 like

    Uptimely simplifies monitoring the uptime of your services, alerts you to downtime, and helps you create status pages to keep your customers informed.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  7. GetIt icon
     Like

    Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Good alternative?
     
  8. EchoAPI icon
     Like

    EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.

    66 EchoAPI alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Google Chrome
    • Visual Studio Code
    • IntelliJ IDEA
    Good alternative?
     
  9. apikumo icon
     Like

    apikumo is an API workspace that combines an API client, a hosted documentation site, and a live MCP (Model Context Protocol) endpoint in one place. Design your API once, and every AI agent can call it.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  10. PingZen icon
     Like

    Free uptime monitoring for websites, servers and APIs. Supports HTTP, TCP, UDP and ICMP. Instant alerts to Telegram, Discord, Slack.

    51 PingZen alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
    • Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it.
    156 Hexadecimal alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  11. Web Utils icon
     Like

    Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.

    145 Web Utils alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
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