# Getting invalid\_client on auth token generation

**URL:** <https://discuss.dwolla.com/t/getting-invalid-client-on-auth-token-generation/9010>\
**Category:** General\
**Created:** [June 5, 2023, 11:25am UTC](https://discuss.dwolla.com/t/getting-invalid-client-on-auth-token-generation/9010 "2023-06-05T11:25:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Alok\_Verma](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/alok_verma/32/3905_2.png) [@Alok\_Verma](https://discuss.dwolla.com/u/Alok_Verma)\
**Post date:** [June 5, 2023, 11:25am UTC](https://discuss.dwolla.com/t/getting-invalid-client-on-auth-token-generation/9010/1 "2023-06-05T11:25:09Z")

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Imported Dwolla postman collection and added my sandbox account configuration in global variables of postman but getting.

[https://api-sandbox.dwolla.com/token](https://api-sandbox.dwolla.com/token)  
{  
“error”: “invalid\_client”  
}

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<div class="post-metadata">

**Author:** ![spencer](https://sea2.discourse-cdn.com/dwolla/user_avatar/discuss.dwolla.com/spencer/32/2143_2.png) [@spencer](https://discuss.dwolla.com/u/spencer)\
**Post date:** [June 7, 2023, 1:30am UTC](https://discuss.dwolla.com/t/getting-invalid-client-on-auth-token-generation/9010/2 "2023-06-07T01:30:34Z")

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Hi @Alok_Verma , Are you following similar steps as outlined in [this video](https://www.youtube.com/watch?v=h4srjfcX6JA) and [this post](https://discuss.dwolla.com/t/using-postman-to-explore-and-debug-dwollas-v2-api/2758)?

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<div class="post-metadata">

**Author:** ![system](https://global.discourse-cdn.com/dwolla/original/2X/1/1b70808226fb9abeaaf7386224caffb453efb690.png) [@system](https://discuss.dwolla.com/u/system)\
**Post date:** [June 4, 2024, 11:25am UTC](https://discuss.dwolla.com/t/getting-invalid-client-on-auth-token-generation/9010/3 "2024-06-04T11:25:23Z")

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