# Transfers between balances

**URL:** <https://discuss.dwolla.com/t/transfers-between-balances/8113>\
**Category:** General\
**Created:** [June 2, 2022, 9:53am UTC](https://discuss.dwolla.com/t/transfers-between-balances/8113 "2022-06-02T09:53:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Andrey\_Belov](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/andrey_belov/32/3502_2.png) [@Andrey\_Belov](https://discuss.dwolla.com/u/Andrey_Belov)\
**Post date:** [June 2, 2022, 9:53am UTC](https://discuss.dwolla.com/t/transfers-between-balances/8113/1 "2022-06-02T09:53:43Z")

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Hello, I faced with the problem when I make a transfer between dwolla balance and customer balance and if customer does not have enough funds I get the error with code “InsufficientFunds” but don’t get a webhook with fail transfer topic or something else. Could you please explain why this happens

Thanks

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**Author:** ![shreya](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/shreya/32/2154_2.png) [@shreya](https://discuss.dwolla.com/u/shreya)\
**Post date:** [June 2, 2022, 6:21pm UTC](https://discuss.dwolla.com/t/transfers-between-balances/8113/2 "2022-06-02T18:21:33Z")

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Hi @Andrey_Belov – whenever you’re creating a transfer from a Dwolla Balance funding-source, the API checks the balance and results in an error on the API level itself. It never creates a transfer resource, which is why you aren’t getting a webhook for `*_transfer_failed`. This webhook is only sent if a transfer resource was created, but later failed due to an ACH return.

You can simulate ACH returns in the Sandbox by following this doc - [Getting started in the sandbox | Dwolla API Documentation](https://developers.dwolla.com/guides/sandbox#test-bank-transfer-failures)

Let us know if you have any questions!