# Cannot replace custom parameters from single send email API

**URL:** <https://community.hubspot.com/t/cannot-replace-custom-parameters-from-single-send-email-api/28689>\
**Category:** APIs & Integrations\
**Tags:** professional\
**Created:** [December 2, 2020, 10:00pm UTC](https://community.hubspot.com/t/cannot-replace-custom-parameters-from-single-send-email-api/28689 "2020-12-02T22:00:50Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![dennisedson](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/dennisedson/32/28044_2.png) [@dennisedson](https://community.hubspot.com/u/dennisedson)\
**Post date:** [December 7, 2020, 3:55pm UTC](https://community.hubspot.com/t/cannot-replace-custom-parameters-from-single-send-email-api/28689/8 "2020-12-07T15:55:31Z")

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Thanks @MichaelC , I alerted the team 😃

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_[View the full topic](https://community.hubspot.com/t/cannot-replace-custom-parameters-from-single-send-email-api/28689)._