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# Voice Platform

Build calling experiences without operating voice infrastructure yourself. Voice Platform gives your product the building blocks to place and receive calls, connect participants, play audio, collect input, and record conversations.

## The building blocks

* **[Sessions](/api/sessions)** represent conversations with callers, agents, or applications.
* **[Conference rooms](/api/rooms)** bring multiple participants together in one conversation.
* **[Playback](/api/playback)** adds prompts, announcements, music, and generated speech to calls.
* **[Caller input](/api/collect-keypad-input)** lets your application build interactive menus and guided call flows.
* **[Recording](/api/recording)** captures conversations for quality review, compliance, and downstream workflows.
* **[Real-time audio](/api/web-socket)** connects live call media to AI agents and your own applications.
* **[Secure card payments](/secure-payments) (Coming soon)** will let you collect and charge card details without exposing sensitive digits to your application.

## Start here

#### [Quickstart](/quickstart)

Make your first call and receive your first webhook.

#### [Build Simple voicemail](/build-simple-voicemail)

Play saved messages for one caller and record messages from everyone else.

#### [API Reference](/api)

Explore the API documentation.

#### [Set your webhook URL](/api/webhook-configuration/update-webhook-delivery-url)

Respond to call and media events.