# Terms for builders

> The three clauses of the Terms of Service that decide whether what you are building is allowed.

Developers · Reference · https://wxalerts.org/docs/developers/terms-for-builders/

The full text is at [/terms](/terms/). Three clauses decide whether what you are
building is allowed:

- **Personal, educational and research use.** The license covers those
  ([§4.1](/terms/#our-property)). Reselling the feed, redistributing it for gain,
  or building a commercial service on top of it needs written permission first
  ([§3](/terms/#acceptable-use)). The endpoints being open is not that
  permission; ask first.
- **Attribute, and do not imply endorsement.** NWS and NOAA data stays theirs:
  do not claim it as your own, do not present it as official government output,
  and do not imply NOAA or the NWS endorses what you built
  ([§4.2](/terms/#government-data), [§3](/terms/#acceptable-use)). The derived
  products (processed GLM, ML nowcasts, anything under `focus`) are ours, and
  are not official NWS products either. Credit both: NWS/NOAA for the alert,
  WxAlerts for the processing.
- **No EAS or WEA tones.** You may not reproduce, transmit or simulate the WEA
  attention signal, the EAS Attention Signal or EAS header codes, or anything
  substantially similar, from API output, including as a notification sound
  ([§3.1](/terms/#eas-tones)). This one is FCC rule, not house style.

The API Terms for keyed access and authenticated MQTT are
[Terms §20 and §21](/terms/#api). The life-safety disclaimer that governs all of
it is [Terms §6](/terms/#life-safety).