Announcements

Latest APIv2 Updates (CORS headers, etc.).

Written by Kristian Kusenda 165 words | 1 min read Updated Nov 11, 2025
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Dear UptimeRobot API users,

we have recently published several changes and updates to the APIv2. These changes might affect you, so please take a look at them.

Changelog:

  • Your read-only API key is now able to access all entities using the get* methods (previously not all entities were supported).
  • Response CORS headers are provided only for get* methods using monitor-specific or read-only API keys for security reasons.
  • You can also provide API key in a query string. This was added to maintain the backwards compatibility with APIv1 and to not break existing 3rd party applications, however we strongly discourage using this approach, as per the security implications, and recommend using the request's body for authentication.

That’s all, we’ll be happy to answer your questions via our support or in the comments below.

TIP: If you wish to receive similar technical updates via email, please subscribe from your account > log in at UptimeRobot.com > My Settings > Account Profile and check the option.

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Marketing and Content Specialist |

You may have seen his name signed under UptimeRobot emails, where he started as a Customer Support Agent and Community Manager. Currently, he’s part of the marketing team, managing content and other marketing tasks, projects, and collaborations. Thanks to these experiences, Kristian knows UptimeRobot from every angle. He adopts a hands-on approach in providing support to our team and loves to engage with the UptimeRobot community. He also has some basic knowledge of CSS and Adobe tools and likes to help out with design-related tasks or updating and optimizing our landing pages. Outside of work and during weekends, he’s working on his bachelor’s degree in psychology and aspires to become a therapist. He’s passionate about painting and movement, experimenting with physical and mental health hacks, and continually seeking ways to improve and optimize. Kristian also loves hiking, traveling around the world, exploring new meals, drinking good wine, and reading great books.

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