--- title: "Contact center balance" slug: "contact-center-balance" updated: 2024-10-25T14:55:41Z published: 2024-10-25T14:55:41Z canonical: "docs.voiso.com/contact-center-balance" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.voiso.com/llms.txt > Use this file to discover all available pages before exploring further. # Contact center balance The Voiso Contact Center Balance APIs enable you to perform functions related to contact center administration. Use it to obtain the balance owed to Voiso for contact center services. ## Trigger for low balance or payment reminder You can use the Balance API to create an application to track your contact center's billing balance and automatically make payments or trigger alerts when your balance is low. The **Balance** API is part of Voiso's Contact Center Management APIs. The API description is [here](/v1-api/apidocs/balance-request). ## Prerequisites * You must have access to your [Contact Center API key](/v1-api/apidocs/authentication). ## Making requests The **balance** API requires the [base URL](/v1-api/apidocs/base-endpoint) (cluster_id) and the The [Contact Center API key](/v1-api/apidocs/authentication) (client_api_key). It uses the following parameters to initiate a call: The contact center API key. Voiso responds with the current balance owing. For example: ``` https://cluster1.voiso.com/api/v1/cc7c76...b89bb6c3/balance ``` ## Response The response to the request is a key-value pair of type `number`. The value is a `float` indicating the balance owing in US$. ### Response sample ```JSON { "balance": 3562.67 } ``` ## Troubleshooting The following issues are sometimes encountered: ### Invalid api_key The **balance** API requires the contact center API key to validate the request. If you see this error, `"error": "Invalid api_key"`, check that you are using the correct contact center API key. For more information about API keys, refer to [Authentication](/v1-api/apidocs/authentication).