Decoy
A native Mac app for mocking HTTP endpoints locally
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HN · launched Feb 26, 2026 · 7 upvotes (top 62%) · 0 views
Niche: api testing and mocking tools · 85 launches, 7 in the last 7 days ▼ -22% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Commercial product
Visit website ↗ Source listing ↗
More like this: all 85 launches in api testing and mocking tools →
Could you build this?
Yes A local HTTP mock server built with SwiftUI, Network.framework, and SQLite is a straightforward developer tool that modern AI coding agents can generate reliably.
Discussion
4 comments analyzed.
Competitors mentioned: Mockoon, Docker, Postman
Concerns raised: Mockoon is open source and more mature, Mockoon has more features (online mocks, proxies), Mockoon tracks users even without account, Mac-only limitation
Competitors
Other products that read as similar to this one : 1294 launches clear the similarity bar, closest 8 shown.
Attention rank: #780 of 1295 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 118 days after the earliest competitor.
- testsploit · github · 2026-10-10 · 26 upvotes · similarity 0.55
- File-based HTTP endpoints for Python with its own isolated dependencies · hn · 2026-08-07 · 5 upvotes · similarity 0.55
- Turbo · hn · 2026-07-08 · 8 upvotes · similarity 0.54
- EchoRelay · hn · 2026-06-30 · 5 upvotes · similarity 0.54
- prism · github · 2026-09-11 · 8 upvotes · similarity 0.54
- Phtps · ph · 2026-11-10 · 1 upvotes · similarity 0.54
- reburp · github · 2026-09-10 · 89 upvotes · similarity 0.52
- proposals · github · 2026-10-24 · 18 upvotes · similarity 0.51
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.