# Yellowstone Sound Atlas Pricing

Yellowstone Sound Atlas is free to use.

## Plan

| Plan | Price | Access | Limits |
| --- | ---: | --- | --- |
| Public archive | USD 0 | Browse the atlas, fetch public static files, read route JSON, view share pages, and use agent-readable documentation | No application-level account, API key, or quota. CDN and hosting providers may apply ordinary abuse-prevention limits. |

## Authentication

No signup, OAuth flow, API token, payment card, billing account, or user account is required.

## Commercial Terms

YSL does not sell access, subscriptions, support contracts, or paid data exports. It is an unofficial public static archive and listening interface.

## Source Rights

The project links to National Park Service Yellowstone sound library materials. NPS labels these audio files as public domain, but downstream users should verify rights, credit, and third-party restrictions for their own use.