MockJSON API
Create instant JSON endpoints for testing.
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Create and host mock JSON API endpoints instantly. Free mock API tool with JSON storage, converters (JSON to TypeScript, CSV, Go, Java, Python, C#), formatter, diff, schema generator, and more. No signup required.
PH · launched Sep 29, 2026 · 1 upvote (top 69%) · 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
- API
Visit website ↗ Source listing ↗
More like this: all 85 launches in api testing and mocking tools →
Could you build this?
Yes A mock JSON API and conversion tool is a quintessential weekend vibe-coding project relying on standard CRUD, key-value storage, and off-the-shelf format conversion libraries.
Competitors
Other products that read as similar to this one : 294 launches clear the similarity bar, closest 8 shown.
Attention rank: #223 of 295 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 332 days after the earliest competitor.
- MockData.io · ph · 2026-11-10 · 1 upvotes · similarity 0.66
- Mock and Match · ph · 2026-09-29 · 2 upvotes · similarity 0.61
- InstantMock API CLI Pro · ph · 2026-11-07 · 1 upvotes · similarity 0.61
- MockPilot · ph · 2026-11-03 · 2 upvotes · similarity 0.60
- JSON to TypeScript Interface Converter · ph · 2026-09-15 · 1 upvotes · similarity 0.59
- jsoncsvonline · ph · 2026-09-10 · 1 upvotes · similarity 0.59
- Instant JSON Formatter · ph · 2026-09-27 · 1 upvotes · similarity 0.57
- Mocktail · hn · 2026-08-14 · 25 upvotes · similarity 0.56
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.