# \#api-chart

**URL:** https://community.forestadmin.com/tag/api-chart/15.md

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## [How to create Chart Use smart Collection?](https://community.forestadmin.com/t/how-to-create-chart-use-smart-collection/6308)

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**Author:** [@Mohamed\_Ezzaalyouy](https://community.forestadmin.com/u/Mohamed_Ezzaalyouy)\
**Replies:** 1\
**Last updated:** [May 17, 2023, 2:28pm UTC](https://community.forestadmin.com/t/how-to-create-chart-use-smart-collection/6308 "2023-05-17T14:28:37Z")

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Context Project name: ftft-saleor Team name: … Environment name: Django project Agent (forest package) name & version: … Database type: Postgres Recent changes made on your end if any: … I can’t find the smart collect…

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## [How to work with API-chart](https://community.forestadmin.com/t/how-to-work-with-api-chart/6200)

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**Author:** [@nalaka\_dissanayake](https://community.forestadmin.com/u/nalaka_dissanayake)\
**Replies:** 2\
**Last updated:** [April 20, 2023, 10:31am UTC](https://community.forestadmin.com/t/how-to-work-with-api-chart/6200 "2023-04-20T10:31:47Z")

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Feature(s) impacted Time-based API-based ChartTime-based API-based Chart Observed behavior I am trying to configure a time base graph using chart-API. So I configured custom url according to the below documentation. I…

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## [SmartChart: ActionController::InvalidAuthenticityToken (ActionController::InvalidAuthenticityToken):](https://community.forestadmin.com/t/smartchart-actioncontroller-invalidauthenticitytoken-actioncontroller-invalidauthenticitytoken/5264)

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**Author:** [@nico\_lrx](https://community.forestadmin.com/u/nico_lrx)\
**Replies:** 7\
**Last updated:** [September 21, 2022, 2:23pm UTC](https://community.forestadmin.com/t/smartchart-actioncontroller-invalidauthenticitytoken-actioncontroller-invalidauthenticitytoken/5264 "2022-09-21T14:23:53Z")

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Feature(s) impacted Smart Charts through API : I created a “leaderboard” chart using the API option to display some data. Here is my controller: class Forest::ChartsController \< ForestLiana::ApplicationController …