Unverified50% confidenceFactExact time
The industry-default semantics for webhook delivery is "at-least-once", and the receiver must bear the responsibility for idempotency itself, that is, identifying and discarding duplicate events.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedWebhooks and active polling are complementary: polling is limited by frequency and cost, whereas Webhooks can notify in real time when an event occurs.71% similarUnverifiedThe temporary webhook catcher is designed as: a single-use HTTPS URL, accepting any POST, storing at most 100 events, and automatically deleting after 24 hours.65% similarUnverifiedMost platforms provide Webhook-based event push as an alternative to polling triggers, where the email service proactively notifies the process when a new email arrives, offering better real-time performance and lower overhead.62% similarUnverifiedThe workflow in the article deduplicates at the contact level by email address to avoid duplicate records for the same customer; at the opportunity level, it checks whether the contact already has an opportunity in the corresponding pipeline and, if so, skips creation.61% similarUnverifiedIn distributed systems, at-least-once delivery semantics means the sender guarantees the event is delivered at least once, but does not guarantee it is delivered only once.61% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1034322API
curl https://kongchang.com/api/v1/knowledge/claims/1034322MCP
get_claim(id=1034322)