idempotency-shield
Express middleware that makes handlers safe to retry — replays the cached response for a duplicate Idempotency-Key instead of re-running it, with pluggable in-memory or Redis storage.
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GITHUB · launched Sep 17, 2026 · 85 upvotes (top 10%) · 0 views
Niche: api generation and management tools · 64 launches, 1 in the last 7 days ▼ -80% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
- express
- express-js
- expressjs
- nodejs
Visit website ↗ Source listing ↗
More like this: all 64 launches in api generation and management tools →
Could you build this?
Yes An Express middleware checking an Idempotency-Key header against Redis or an in-memory cache to return stored responses is a straightforward programming pattern easily generated by AI.
Competitors
Other products that read as similar to this one : 48 launches clear the similarity bar, closest 8 shown.
Attention rank: #4 of 49 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 283 days after the earliest competitor.
- redis-guard · github · 2026-09-25 · 20 upvotes · similarity 0.41
- Chr2 · hn · 2026-01-11 · 12 upvotes · similarity 0.37
- Kybernis · hn · 2026-03-05 · 6 upvotes · similarity 0.37
- oci-arm-free-retry · github · 2026-10-12 · 13 upvotes · similarity 0.36
- HybridCachePlus · github · 2026-09-11 · 9 upvotes · similarity 0.35
- Convalesce · ph · 2026-10-08 · 1 upvotes · similarity 0.34
- axonpush · ph · 2026-09-11 · 2 upvotes · similarity 0.34
- dquickts · github · 2026-10-19 · 264 upvotes · similarity 0.33
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.