> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kolavoice.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Usage and billing

> Inspect wallet balance and outbound usage.

`GET /api/v1/usage` returns the current UGX wallet balance, outbound rate, concurrency cap, and daily limit.

`GET /api/v1/usage/calls?page=1&page_size=50` returns wallet usage transactions for reconciliation. Web demo calls are not included as billable outbound usage.

Outbound campaign and direct-call creation requires at least the current minimum balance. Calls that are not answered are normalized and their usage debit is reversed by the server's canonical finalizer.


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