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Source: [Hacker News](https://thehustle.co/newsletters/09-09-2026)
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Node.js Consumer Capacity: Webhook Delivery, Rate Limits, and Dead-Letter Decisions
Short answer: treat a renewal reminder's business deadline as the primary SLO, then make the Node. js consumer's rate limit, acknowledgement boundary, retry policy, and dead-letter path one explicit contract. That rule matters because a B2B SaaS renewal campaign can look healthy at the transport...
The Retry That Restored Access
Retries keep distributed systems moving through timeouts and temporary failures. In an access system, though, an old retry can be more dangerous than a failed request. This is Part 2 of Security Infrastructure in Practice, a series about what happens when security design meets production systems.
A happy-path MCP demo proves almost nothing about tenant isolation
Most MCP demos look the same. A tool is registered. A client calls it.
Show HN: CertArena – Free AI certification simulator (zero deps, native Node 24)
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Bridging Webhooks to Your Event Mesh: A Secure Edge Pattern for Kafka, Redpanda, and NATS
API event standardization API integration middleware API webhook payload mapping AsyncAPI specification AsyncAPI webhook design asyncAPI webhooks CloudEvents 1. 0. 2 CloudEvents 1.
Reconstructing Concurrency Invariants Through Medieval East Asian Logic
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