Products Community Roast Categories Winners Stories Enterprise Manifesto

Sign in Get started

Top categories

Finance & FinTech
Artificial Intelligence
DevOps & Cloud
Productivity
Security
Business Analytics
Developer Tools
E-commerce
Platforms
SaaS
All categories

Trending this week

Proofsource
Tractionwave
tunnl.gg
OpenSwarm
Polylane
Off the Record
Mailwell
TwelveLabs

Recent #1 launches

Proofsource
All winners

Community threads

Show Firstlaunch: Palette Lab, accessible color systems in seconds
Roast my landing page: 4,000 visitors, 0.8% signup rate
Show Firstlaunch: MeetingMind writes the notes so you can actually listen
How did you get your first 100 users without a big audience?
What's your stack for a solo SaaS in 2026?
First-time founder: gentle feedback on my onboarding please

Latest stories

Design for the day your automation is wrong
There is no page two in an AI answer
An agent that waits to be asked has already lost
All stories

Where makers launch first. Ship your product, meet early adopters, and get honest feedback.

Sponsor of the weekDriffle

Discover

Today's launches
Trending
Winners
Categories
Enterprise launches
Companies

Community

Discussions
Roast my product
Stories
Product reviews

Makers

Launch a product
Pricing
Launch on Enterprise
Badges
Dashboard

Firstlaunch

Manifesto
Advertise
Terms
Privacy

© 2026 Firstlaunch · Made for makers

Manifesto Advertise Terms Privacy Sitemap llms.txt

Home Winners Community Roast

Halcyon Relay · Webhooks that retry, replay and explain themselves | Firstlaunch

Halcyon Relay

Launched

Webhooks that retry, replay and explain themselves

APIs & Integrations Developer Tools

Halcyon Systems·LLeo Martin·Launched 2 days ago·0 comments

Halcyon Relay preview

About Halcyon Relay

Webhooks that retry, replay and explain themselves. Halcyon Relay is made by Halcyon Systems. This is demo content for local development.

Discussion

0

Halcyon SystemsDeveloper tools · Series B

Buyer's brief

Category: DevOps & Cloud
Industry: Developer tools
Stage: Series B
Company size: 100 to 249 people
ARR: $10M to $50M
Founded: 2019
HQ

Similar launches

Halcyon AtlasA service catalog your platform team will keep current

Sponsors

Your product hereReach makers and early adopters

Germany

Deployment

Cloud, On-premises

Pricing model

Usage based

Domain

halcyon.exampleVerified

Compliance

SOC 2 Type IIGDPRHIPAA

Trust centerhalcyon.example

Launch

Launched: Oct 6, 2026
Upvotes: 4
Platforms: Web

Links

Websiteexample.com

Similar launches

Halcyon AtlasA service catalog your platform team will keep current

Sponsors

Your product hereReach makers and early adopters