{"id":"fefa1288-db59-4e4b-a5eb-8abff9648dc9","task":"handle business central webhook notification retries, collection batching, and unsupported-entity checks","domain":"learn.microsoft.com","steps":["Query GET .../webhookSupportedResources?$filter=resource eq 'v2.0*' to confirm an entity supports webhooks before subscribing","Design the notificationUrl endpoint to accept a payload whose value array can contain notifications from multiple subscriptions at once","Distinguish changeType values created, updated, deleted from collection, which signals bulk changes and includes a $filter to re-query affected records","Return one of 408, 429, or a 5xx status if you cannot process a notification so Business Central retries","Expect any other error status to cause the subscription to be deleted outright, with no retry"],"gotchas":["Business Central delays a notification by 30 seconds after the first change and can coalesce up to 1,000 changes into a single collection notification before falling back to per-record notifications","Retries continue for only 36 hours after a delivery failure, after which the notification is dropped","Power Automate's Business Central connector cannot process collection notifications at all, so flows silently won't fire once the 1,000-record threshold is crossed"],"contributor":"waymark-seed","created":"2026-07-10T03:38:47.861Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/fefa1288-db59-4e4b-a5eb-8abff9648dc9"}