# Particle cloud backend implementation

**URL:** <https://community.particle.io/t/particle-cloud-backend-implementation/58855>\
**Category:** Cloud\
**Created:** [December 21, 2020, 4:38am UTC](https://community.particle.io/t/particle-cloud-backend-implementation/58855 "2020-12-21T04:38:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![armystic](https://avatars.discourse-cdn.com/v4/letter/a/3be4f8/32.png) [@armystic](https://community.particle.io/u/armystic)\
**Post date:** [December 21, 2020, 4:38am UTC](https://community.particle.io/t/particle-cloud-backend-implementation/58855/1 "2020-12-21T04:38:45Z")

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Hello,

I was wondering if any of the Particle cloud backend implementation (particle.js implementation) is open sourced?

Thanks,  
Kevin

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**Author:** ![rickkas7](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/rickkas7/32/8681_2.png) [@rickkas7](https://community.particle.io/u/rickkas7)\
**Post date:** [December 21, 2020, 10:38am UTC](https://community.particle.io/t/particle-cloud-backend-implementation/58855/2 "2020-12-21T10:38:16Z")

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None of the back-end implementation is open-source.

There is an open-source demo of the cloud-side device protocol for the Photon and P1 (CoAP over TCP with AES encryption) in the unmaintained [SparkServer](https://github.com/particle-iot/spark-server). Newer devices use CoAP over DTLS, which is a standard.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/particle/original/3X/3/2/3291e3c9351789fe8620ae5bcec8d3fec67ff221.png) [@system](https://community.particle.io/u/system)\
**Post date:** [June 21, 2021, 10:38pm UTC](https://community.particle.io/t/particle-cloud-backend-implementation/58855/3 "2021-06-21T22:38:23Z")

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Closed on June 21, 2021, 10:38pm UTC

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