Widgets

Data: MET Norway Locationforecast 2.0

Use/license: CC BY 4.0; commercial reuse permitted with attribution

Attribution: Weather data: MET Norway (CC BY 4.0)

Refresh: 20-minute shared public cache; never fetched more often than every 15 minutes.

Limits: No delivery SLA. Requests identify Canvas Relay and respect MET cache guidance. Daily highs/lows are derived from MET's hourly forecast points in the configured timezone.

Data: Customer-provided JSON/CSV

Use/license: Customer/source controlled

Refresh: No more often than every 30 minutes; normally hourly.

Limits: Canvas Relay does not bundle a paid commercial AQI API. Use a feed you are licensed to display, including public-domain EPA data transformed to JSON/CSV.

Data: NOAA CO-OPS Data API

Use/license: U.S. government/public-domain data unless specifically marked otherwise

Attribution: NOAA / Center for Operational Oceanographic Products and Services

Refresh: Fetches a multi-day prediction window and refreshes at most every 6 hours.

Data: USGS Earthquake Catalog/FDSN

Use/license: USGS-produced data are U.S. public domain; source credit requested

Attribution: U.S. Geological Survey

Refresh: Shared cache; normally every 10 minutes.

Data: Canvas Relay deterministic astronomy calculations

Use/license: No external data provider

Refresh: Calculated on-device from date/location; no recurring network request.

Data: IANA timezone data on player/runtime

Use/license: No recurring external API

Refresh: Calculated locally every minute (or second when needed).

Data: Google Calendar API (primary) / customer-provided ICS fallback

Use/license: Customer-authorized Google Calendar data or customer-selected ICS source

Refresh: Five-minute tenant cache with ETag/last-known-good behavior.

Limits: Google mode requires a one-time OAuth connection. Private events default to Busy-only display so details are not exposed accidentally.

Data: Customer-provided RSS/Atom feed

Use/license: Feed publisher/customer controlled

Refresh: Ten-minute cache; conditional/stale behavior is centralized.

Limits: The customer must have the right to publicly display/redistribute the selected feed content.

Data: Canvas Relay board configuration

Use/license: Customer-owned/entered content

Refresh: Change-driven; rotation is local.

Data: Google Business Profile Reviews API / manual testimonials

Use/license: Authorized first-party Business Profile content; Google API policies apply

Attribution: Reviews from Google Business Profile when Google mode is selected

Refresh: 15-minute tenant cache; temporary cached Google content is retained for at most seven days.

Limits: Google mode only works for profiles the signed-in merchant owns or manages. Canvas Relay's Google Cloud project must first receive Business Profile API access approval. No review scraping is used.

Data: Customer-provided feed/BYO structured source

Use/license: Customer/source controlled

Refresh: Ten-minute cache; five-minute hard minimum.

Limits: No expensive social-network API or scraping is bundled.

Data: Customer-selected public GTFS-Realtime feed

Use/license: Varies by transit agency; customer must select a feed licensed for display

Refresh: One-minute hard minimum with source/query cache deduplication.

Data: OpenLigaDB (built-in) or customer-provided JSON/CSV

Use/license: OpenLigaDB API data: Open Database License (ODbL); BYO feed terms are customer/source controlled

Attribution: Data: OpenLigaDB · ODbL

Refresh: Current scoreboards use a two-minute cache; completed data may remain cached longer. Roku never calls OpenLigaDB directly.

Limits: OpenLigaDB is community-maintained and strongest for football/German leagues. Team/league logos are intentionally not redistributed. JSON/CSV fallback remains available for other competitions.

Data: Canvas Relay/manual or customer-provided JSON/CSV

Use/license: Customer-owned/authorized data

Refresh: Manual values are change-driven; remote data has a one-minute hard minimum.

Data: Canvas Relay/manual or customer-provided JSON/CSV

Use/license: Customer-owned/authorized data

Refresh: Change-driven/manual or five-minute cached remote source.

Data: Customer-provided JSON/CSV

Use/license: Customer-owned/authorized data

Refresh: Five-minute cache with one-minute hard minimum.

Data: Canvas Relay/manual or customer-provided JSON/CSV

Use/license: Customer-owned/authorized data

Refresh: Change-driven/manual or five-minute cached remote source.

Data: OpenStreetMap interactive embed

Use/license: OpenStreetMap data is ODbL; tile/service use is subject to OSMF usage policies

Attribution: © OpenStreetMap contributors

Refresh: Browser-requested interactive tiles only; Canvas Relay does not prefetch or proxy OSM tiles.

Limits: Roku does not embed browser maps. The browser player sends ordinary Referer/browser requests and leaves attribution visible.

Data: Manual, customer JSON/CSV, or encrypted Canvas Relay HTTP connector

Use/license: Customer-owned/authorized operational data

Refresh: Manual values are change-driven; remote sources have a one-minute hard minimum.

Data: Canvas Relay encrypted HTTP connector

Use/license: Customer must be authorized to access and display the connected dashboard

Refresh: Five-minute cache by default with a one-minute hard minimum.

Limits: Snapshot endpoint must return an image. Credentials remain server-side and encrypted at rest.

Data: Manual, customer JSON/CSV, or encrypted Canvas Relay HTTP connector

Use/license: Customer-owned/authorized operational data

Refresh: Manual values are change-driven; remote sources normally cache five minutes.

Data: Customer-authored sandboxed browser content

Use/license: Customer is responsible for code/content and third-party rights

Refresh: Change-driven; no Canvas Relay data polling.

Limits: Runs in an iframe sandbox. Script mode grants allow-scripts only, never allow-same-origin; Roku is unsupported.