# Interface Between the BlockCerts App and the Issuer URL

**URL:** <https://community.blockcerts.org/t/interface-between-the-blockcerts-app-and-the-issuer-url/1201>\
**Category:** Technical\
**Created:** [July 17, 2018, 5:31pm UTC](https://community.blockcerts.org/t/interface-between-the-blockcerts-app-and-the-issuer-url/1201 "2018-07-17T17:31:34Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![stuartf](https://sea2.discourse-cdn.com/flex016/user_avatar/community.blockcerts.org/stuartf/32/39_2.png) [@stuartf](https://community.blockcerts.org/u/stuartf)\
**Post date:** [July 19, 2018, 11:31am UTC](https://community.blockcerts.org/t/interface-between-the-blockcerts-app-and-the-issuer-url/1201/4 "2018-07-19T11:31:18Z")

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I think that first request is just a GET without any parameters. Then I think it will POST with the user’s public key and an optional one time shared token to the introductionUrl from the issuer details.

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_[View the full topic](https://community.blockcerts.org/t/interface-between-the-blockcerts-app-and-the-issuer-url/1201)._