# Trouble with adding and removing indexes using core Kibana Api

**URL:** https://discuss.elastic.co/t/trouble-with-adding-and-removing-indexes-using-core-kibana-api/274853
**Category:** Kibana
**Tags:** kibana-plugin-development
**Created:** [June 3, 2021, 10:30am UTC](https://discuss.elastic.co/t/trouble-with-adding-and-removing-indexes-using-core-kibana-api/274853 "2021-06-03T10:30:21Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![Vadims\_Daleckis](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vadims_daleckis/32/57613_2.png) [@Vadims\_Daleckis](https://discuss.elastic.co/u/Vadims_Daleckis)
#### Post date: [August 18, 2021, 9:20am UTC](https://discuss.elastic.co/t/trouble-with-adding-and-removing-indexes-using-core-kibana-api/274853/9 "2021-08-18T09:20:29Z")

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You are not able to execute your HTTP request from Postman because your request is missing the XSRF header, see this thread on a similar question about the XSRF header: [Where can I get the correct kbn-xsrf value for my plugin HTTP requests?](https://discuss.elastic.co/t/where-can-i-get-the-correct-kbn-xsrf-value-for-my-plugin-http-requests/158725)

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