# Getting axios error when trying to create wallet

**URL:** <https://community.fireblocks.com/t/getting-axios-error-when-trying-to-create-wallet/979>\
**Category:** Developer Discussion\
**Created:** [May 1, 2024, 4:35am UTC](https://community.fireblocks.com/t/getting-axios-error-when-trying-to-create-wallet/979 "2024-05-01T04:35:07Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![vivek](https://avatars.discourse-cdn.com/v4/letter/v/77aa72/32.png) [@vivek](https://community.fireblocks.com/u/vivek)\
**Post date:** [May 1, 2024, 4:35am UTC](https://community.fireblocks.com/t/getting-axios-error-when-trying-to-create-wallet/979/1 "2024-05-01T04:35:07Z")

</div>

I am using fireblock console. Currentely I have create two API user Ncw Admin and Ncw Signer by putting different Csr file and generated private key from there.  
I want to ask how I can put keys in backend to create instanse of fireblock.  
as currentely I am inputting api key for both signer and admin and also there private key

this.signer = new FireblocksSDK(apiSecretSigner, apiKeyNcwSigner, apiBase);  
this.admin = new FireblocksSDK(apiSecretAdmin, apiKeyNcwAdmin, apiBase);

---

<div class="post-metadata">

**Author:** ![mnamakwala](https://avatars.discourse-cdn.com/v4/letter/m/b5a626/32.png) [@mnamakwala](https://community.fireblocks.com/u/mnamakwala)\
**Post date:** [May 2, 2024, 3:54pm UTC](https://community.fireblocks.com/t/getting-axios-error-when-trying-to-create-wallet/979/2 "2024-05-02T15:54:38Z")

</div>

Hi Vivek,  
Please look at the example below on how to declare environment variables.

> **[Quickstart](https://ncw-developers.fireblocks.com/docs/setup-1)**
>
> The open-source backend demo application, which encompasses all the necessary backend operations for the Fireblocks Non-Custodial Wallet (NCW), can be accessed on our official GitHub account.This application provides all the essential endpoints for...

Thanks