Cosmic Hook — Webhook inspector & replay
Capture webhooks, inspect payloads, replay safely
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This is 1 of 236 launches in system and uptime monitoring tools — see how it stacks up on momentum and crowding →
31 other launches read as similar to this one →
Details
- External ID
- 1272313
- Source
- PH
- Company
- —
- Product
- Cosmic Hook — Webhook inspector & replay
- Website domain
- producthunt.com
- Launched
- Oct. 7, 2026
- Cohort
- —
- Upvotes
- 2
- Upvotes percentile
- 0.7646442052285755
- Tags
- API, SaaS, Developer Tools
- Fetched at
- Oct. 8, 2026, 1:01 a.m.
- Updated at
- Oct. 8, 2026, 1:01 a.m.
Description
Cosmic Hook captures incoming webhooks so you can inspect headers and body, copy clean cURL, and replay to your app. Free tier to start; Developer and Pro for teams. SSRF-safe replay and sensitive header redaction before storage. Try a temporary debug URL without signing up.
Enrichment
- Niche
- system and uptime monitoring tools
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Commercial product
- Normalized one-liner
- webhook inspection and replay tool for developers
- Manually corrected
- False
Could you build this?
Yes Building a webhook inspector with replay, cURL export, payload redaction, and basic SSRF prevention uses standard web frameworks and proxy utilities.
Competitors
Other products that read as similar to this one — 31 launches clear the similarity bar, closest 8 shown.
Attention rank: #4 of 32 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 340 days after the earliest competitor.
- WebhookMon · ph · 2026-09-29 · 1 upvotes · similarity 0.51
- Hookflo · ph · 2026-09-30 · 1 upvotes · similarity 0.49
- Webhook Proxy · ph · 2026-09-17 · 1 upvotes · similarity 0.48
- Webhooker · ph · 2026-09-18 · 1 upvotes · similarity 0.39
- ZeroHook · ph · 2026-09-30 · 2 upvotes · similarity 0.38
- HookDeploy · ph · 2026-09-23 · 9 upvotes · similarity 0.38
- YourHook · ph · 2026-09-07 · 1 upvotes · similarity 0.37
- Prompt-injection firewall for OpenClaw agents · hn · 2026-02-02 · 6 upvotes · similarity 0.37
Other launches for this product
- No other launches for this product.
Same idea, different domain
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