Pitch · Sitemap · Mockups

Voice & video agents
for the AI-native era.

Hertz unifies telephony, real-time rooms, and video avatars under one API. This doc is the pitch map — mockups, information architecture, and the design system preview.

01 — Interactive Mockups
Click any card to view
HOME · 01 Marketing
The marquee
moment.
Hero, animated waveform, product pillars, live demo widget with streaming transcript, and conversion rail.
WEB PARTIES · 02 Differentiator
Rooms with an AI
in them.
Audio & video rooms where AI hosts, co-hosts, or moderates. The feature none of our competitors ship.
1:1 Multi-party Broadcast Avatar
VOICE · 03 Product
Phone calls,
perfected.
Inbound, outbound, voicemail, human handoff, calendar booking — with live transcript mockup.
BUILDER · 04 App
Drag. Drop.
Dial.
Visual flow canvas, node library, live inspector. Single-prompt and multi-node.
DEV · 05 Technical
APIs built to
disappear.
REST + WebSocket + first-class MCP. Code samples across Python, Node, Go, curl.
DASHBOARD · 06 App
Every call,
every signal.
Live calls with streaming transcript, latency breakdowns, concurrency chart, cost explorer, recent calls table.
PRICING · 07 Commercial
Usage,
not contracts.
Four tiers, per-minute calculator, feature matrix, enterprise.
VOICES · 08 52 languages · 24 emotions
Every voice,
every emotion.
4,812 voices across 52 languages. Male, female, non-binary. 24 emotions. Always-playable samples. Clone your own with consent.
♀ 2,104 Female ♂ 2,402 Male ♢ 306 Non-binary Preview any
02 — Full site IA

Every page we'll ship,
grouped by surface.

Mockups cover the marquee flow. The tree at right shows complete information architecture — marketing, product, app, developer, and trust surfaces. Dark pills are live mockups; the rest are placeholders.

03 — Design System Preview

A warm, light
editorial canvas.

Pure White
#FFFFFF
Light Gray
#F5F5F5
Warm Stone
#F5F2EF
Primary
#000000
display-xlVoice & video agents.
display-lgThe phone, reinvented.
display-mdRooms with an AI in them.
body-lgAI voice agents that sound human, handle edge cases, and integrate with the tools you already use — in 12 lines of code.
bodyManrope weight 300 for display — ethereal. Inter weight 400 with +0.16px tracking for body — airy.
monoPOST /v1/calls → { id, agent, to, status }
upper-ctaSTART BUILDING