TLDR Tech / Data
Event-Driven vs. Polling Architectures for Agent Triggers
Agent trigger architecture should be designed around delivery contracts, not a simplistic webhook-vs-polling choice. Webhooks are usually at-least-once, unordered, and best-effort. Polling can blow through rate limits. CDC and message buses offer stronger replay and durability, but still require idempotent handling. Mature agent systems typically combine fast-path events, reconciliation polling or replay, structural idempotency keys, and durable runtimes so long-running agents can survive duplicates, missed events, retries, and external waits.
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