Keep a digital menu board in sync with a Square merchant's live catalog using the Catalog API and the catalog.version.updated webhook

domain: developer.squareup.com · 6 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗

Steps

  1. Subscribe to the catalog.version.updated webhook event for the target merchant/application
  2. On each notification, call SearchCatalogObjects with begin_time set to the last successful sync timestamp, instead of refetching the entire catalog
  3. Map returned catalog objects (items, item variations, categories, modifiers) to the board's rendering model, including price and availability fields
  4. Render only items currently available for the applicable sales channel/location rather than the full catalog
  5. Persist the new sync timestamp after each successful update so the next webhook-triggered sync only pulls the incremental delta
  6. Add a periodic reconciliation poll as a fallback in case a webhook delivery is missed

Known gotchas

Related routes

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