generated: '2026-07-21' method: searched source: https://skymerse.gitbook.io/notamify-api/notam-watcher note: >- Skymerse/Notamify publishes a sandbox environment for the Watcher API (introduced 2026-02-25) for testing webhook listener deliveries without affecting production. The core V2 NOTAM read endpoints operate against live global NOTAM data metered by the credit system; no separate test-vs-live key prefix scheme is documented. No fabricated test values are recorded here. watcher_sandbox: available: true purpose: Test Watcher listener creation and webhook delivery. docs: https://skymerse.gitbook.io/notamify-api/notam-watcher/notam-watcher-api