# web-API to read/write tags json

**URL:** <https://forum.inductiveautomation.com/t/web-api-to-read-write-tags-json/19038>\
**Category:** Ignition\
**Created:** [July 31, 2018, 10:04pm UTC](https://forum.inductiveautomation.com/t/web-api-to-read-write-tags-json/19038 "2018-07-31T22:04:32Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![R.Alamsha](https://avatars.discourse-cdn.com/v4/letter/r/e5b9ba/32.png) [@R.Alamsha](https://forum.inductiveautomation.com/u/R.Alamsha)\
**Post date:** [August 2, 2018, 3:44am UTC](https://forum.inductiveautomation.com/t/web-api-to-read-write-tags-json/19038/4 "2018-08-02T03:44:30Z")

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> [@GreggCava](#):
>
> Basically we want use a simple webcall passing "tagpath" to get a json with each tag and its properties (value, quality and timestamp).

If you want to build a JSON api server for the latest values of your tag database, try to create a transaction group for the tag folders and configure it to update (not insert) the database. Datalogging is very fast and It happens almost instantaneously. You can check this post. Here. i am serving the ignition historical table as JSON api and consuming it in ReactJS and Python.

> [@Ignition-ReactJS-Django-JSON Realtime](http://forum.inductiveautomation.com/t/ignition-reactjs-django-json-realtime/18307):
>
> Demo here: [http://decisive-destruction.surge.sh/](http://decisive-destruction.surge.sh/) Git code here: Download. play, modify and share. The game begins NOW !!!

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