# Vistrow Voice > AI voice agents that answer, qualify, and book calls in 11 Indian languages. - [Vistrow Voice](https://docs.vistrowvoice.com/index.md): AI voice agents that answer, qualify, and book calls in 11 Indian languages — on the phone, on your website, and in your dashboard. - [Quickstart](https://docs.vistrowvoice.com/quickstart.md): From zero to a live agent — most teams are done in under an hour, without writing any code. - [Authentication](https://docs.vistrowvoice.com/essentials/authentication.md): Generate an API key and authenticate requests to the Vistrow Voice API. - [Agents](https://docs.vistrowvoice.com/platform/agents.md): Voice, model, persona, and behavior settings for each AI agent. - [Knowledge Base](https://docs.vistrowvoice.com/platform/knowledge-base.md): Ground your agent's answers in your own documents instead of letting it improvise. - [Website Widget](https://docs.vistrowvoice.com/platform/website-widget.md): Embed a real-time AI call button on your website. - [Phone Numbers](https://docs.vistrowvoice.com/platform/phone-numbers.md): Connect a telephony provider and route real calls to your AI agents. - [Compliance](https://docs.vistrowvoice.com/platform/compliance.md): Calling rules, consent, and your Do-Not-Call registry. - [Billing](https://docs.vistrowvoice.com/platform/billing.md): Credits, usage, and plans. - [Integrations](https://docs.vistrowvoice.com/platform/integrations.md): Connect and manage external tools that power your agents. - [Calls](https://docs.vistrowvoice.com/platform/calls.md): Call history, transcripts, recordings, and conversation intelligence. - [Introduction](https://docs.vistrowvoice.com/api-reference/introduction.md): Base URL, authentication, and conventions for the Vistrow Voice API. - [Agents](https://docs.vistrowvoice.com/api-reference/agents.md): List, create, update, and delete agents. - [Calls](https://docs.vistrowvoice.com/api-reference/calls.md): List and fetch call history, transcripts, and outcomes. - [Knowledge Base](https://docs.vistrowvoice.com/api-reference/knowledge-base.md): Create knowledge bases and add source content. - [Widget Sites](https://docs.vistrowvoice.com/api-reference/widget-sites.md): Manage website widget installs and their site keys.