# Topaz developer and agent documentation

> Topaz is a hosted business phone system (cloud PBX built on Kazoo) in early access. People manage it in the Control panel at https://app.topaz.tel/; developers and agents can use the topaz5 CLI against the same account API at https://app.topaz.tel/v2.

## Guides
- [Developers & agents](https://topaz.tel/docs/developers-agents/): CLI installation, login, examples and safety rules
- [Full agent API guide](https://topaz.tel/llms-full.txt): detailed CLI reference
- [Getting started](https://topaz.tel/docs/getting-started/): signup, password and first phone
- [Billing & credit](https://topaz.tel/docs/billing/): prepaid credit, top-ups and refunds
- [Pricing](https://topaz.tel/pricing/): calling rates

## Machine downloads
- [CLI wheel](https://topaz.tel/downloads/topaz5_cli-0.2.0-py3-none-any.whl): version 0.2.0; Python 3.10+; no private checkout needed
- [Source/hash manifest](https://topaz.tel/downloads/manifest.json): exact wheel and packaged source hashes
- [SHA256SUMS](https://topaz.tel/downloads/SHA256SUMS): verify before installation
- [Portable skill](https://topaz.tel/agents/SKILL.md): download only, no automatic profile installation
- [Partial OpenAPI](https://topaz.tel/agents/openapi.json): tested subset and source-inspected contracts, not full coverage
- [CLI schema](https://topaz.tel/agents/cli-schema.json): structured command contract
- [Kazoo callback catalog](https://topaz.tel/agents/native-catalog.json): 93 pinned modules, source evidence not runtime authorization
- [Legacy signup contract](https://topaz.tel/agents/agent-signup.openapi.json): not used by the current signup

## Account facts
- Signup: https://signup.topaz.tel/ (a person pays on Stripe's hosted checkout)
- Add credit: https://signup.topaz.tel/topup
- Calls to the US & Canada cost $0.02/min. Inbound calls to your numbers cost $0.01/min. Calls to US & Canada toll-free numbers and calls between your own extensions are free. Calls are billed per minute in 60-second increments, with a 60-second minimum.
- No platform, per-user or per-device fees. You pay for calls and phone numbers ($4.99 a month each) from prepaid credit.
- 911 and emergency calling are not supported during early access.
- Agents must never enter or handle card details.

No public package-registry install is asserted.