# \#rest\_api

**URL:** https://community.cumulocity.com/tag/rest-api/830.md

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## [REST user accounts](https://community.cumulocity.com/t/rest-user-accounts/12354)

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**Author:** [@ac8y](https://community.cumulocity.com/u/ac8y)\
**Replies:** 4\
**Last updated:** [June 12, 2025, 8:46pm UTC](https://community.cumulocity.com/t/rest-user-accounts/12354 "2025-06-12T20:46:43Z")

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Hello, I’m building an app where users are able to access and manage their devices through Cumulocity. My backend connects to the REST endpoint using a single Cumulocity user account. Is this approach acceptable, or sh…

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## [Device limit bypass using REST API and c8y\_IsDevice fragment](https://community.cumulocity.com/t/device-limit-bypass-using-rest-api-and-c8y-isdevice-fragment/12152)

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**Author:** [@jhorst](https://community.cumulocity.com/u/jhorst)\
**Replies:** 1\
**Last updated:** [April 11, 2025, 12:21pm UTC](https://community.cumulocity.com/t/device-limit-bypass-using-rest-api-and-c8y-isdevice-fragment/12152 "2025-04-11T12:21:04Z")

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Hello, I am currently trying to enforce a device limit on our customers’ tenants. When I set the limit via the Administration UI, it correctly appears in the usage statistics. Additionally, if I try to register a devic…

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## [Cumulocity Microservice not resolving external system host](https://community.cumulocity.com/t/cumulocity-microservice-not-resolving-external-system-host/8017)

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**Author:** [@davidelh](https://community.cumulocity.com/u/davidelh)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 11:40am UTC](https://community.cumulocity.com/t/cumulocity-microservice-not-resolving-external-system-host/8017 "2025-02-18T11:40:28Z")

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Hi all, I have a problem with a custom Cumulocity microservice written in Python. In the microservice script, I am calling an external REST API endpoint (using Python’s requests library). I receive an error from the mi…

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## [Creating an 'Custom Apama Rule' application via REST Services](https://community.cumulocity.com/t/creating-an-custom-apama-rule-application-via-rest-services/7786)

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**Author:** [@Chandra\_Babu\_Merla](https://community.cumulocity.com/u/Chandra_Babu_Merla)\
**Replies:** 0\
**Last updated:** [December 10, 2018, 2:07pm UTC](https://community.cumulocity.com/t/creating-an-custom-apama-rule-application-via-rest-services/7786 "2018-12-10T14:07:32Z")

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This article describes how to create a Cumulocity application of type 'Custom Apama Rule' via REST calls rather than from GUI. Prerequisite 1. Install Postman 2. You need to have an access to cumulocity tenant having…