# Document sandbox

**URL:** <https://discuss.dwolla.com/t/document-sandbox/7894>\
**Category:** General\
**Created:** [March 9, 2022, 10:28pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894 "2022-03-09T22:28:59Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Ankit](https://avatars.discourse-cdn.com/v4/letter/a/cab0a1/32.png) [@Ankit](https://discuss.dwolla.com/u/Ankit)\
**Post date:** [March 9, 2022, 10:28pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/1 "2022-03-09T22:28:59Z")

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Hey, I am testing the document upload functionality in sandbox but I am only able to create users with a status of pending, how to verify the customer in sandbox?

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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:** [March 9, 2022, 11:02pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/2 "2022-03-09T23:02:43Z")

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Hi @ankit – once you create a Customer in a document status, you can upload our [Sample Approved image](https://developers.dwolla.com/guides/sandbox#:~:text=SAMPLE%20DOCUMENT%20APPROVED%20IMAGE) to automatically verify the customer.

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**Author:** ![Ankit](https://avatars.discourse-cdn.com/v4/letter/a/cab0a1/32.png) [@Ankit](https://discuss.dwolla.com/u/Ankit)\
**Post date:** [March 10, 2022, 4:59am UTC](https://discuss.dwolla.com/t/document-sandbox/7894/3 "2022-03-10T04:59:36Z")

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@shreya thank you so much for that! 😃

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**Author:** ![Tommya](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/tommya/32/3435_2.png) [@Tommya](https://discuss.dwolla.com/u/Tommya)\
**Post date:** [March 19, 2022, 4:30pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/4 "2022-03-19T16:30:53Z")

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When I uploaded the sample identity image, I received an error in reply: `{"code":"InvalidResourceState","message":"Resource cannot be modified."}`  
Do you know if that’s a correct outcome in the sandbox environment? I’m just trying to run the sample code shown in this README here: [GitHub - Dwolla/dwolla-v2-node: Official Node Wrapper for Dwolla's API: https://developers.dwolla.com/api-reference/](https://github.com/Dwolla/dwolla-v2-node)

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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:** [March 24, 2022, 4:56pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/5 "2022-03-24T16:56:31Z")

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Hi @Tommya – do you have the Customer Id handy? It sounds like the Customer is not in a status that supports making any modifications to the resource. For example, attempting to update the email address of the account while it is in `document` status.

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**Author:** ![Tommya](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/tommya/32/3435_2.png) [@Tommya](https://discuss.dwolla.com/u/Tommya)\
**Post date:** [March 24, 2022, 7:16pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/6 "2022-03-24T19:16:52Z")

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It’s `b9118b12-48f0-492a-b762-2eeb85de2133`

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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:** [March 24, 2022, 9:10pm UTC](https://discuss.dwolla.com/t/document-sandbox/7894/7 "2022-03-24T21:10:59Z")

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Ahh, looks like this is an Unverified Customer type. Only Verified Customer types are able to accept documents for verification - [Customer Types | Dwolla API Documentation](https://developers.dwolla.com/concepts/customer-types#verified-customer)