Helo

Strong signal

An independent email API from former Postmark folks

Launched 1d ago

Signal

Velocity

What this means

1.7×Growing 1.7× faster than the typical Developer Infrastructure launch.

Compared to 13 Developer Infrastructure launches at the same age.

+58%Launching in a 58% WoW growing category.

Email had 30 launches this week vs 19 last.

17Founder Conviction Index: 17 — low signal.

Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.

Prediction

Top-5 finish probability

25%

today

Projected end-of-day votes

99range 74–134

Trajectory

stable

Vote pace holding steady.

Speed vs peers

1.7×

13 Developer Infrastructure launches

About

Helo is an email API built for developers and platforms that send on behalf of their customers. Contain bad senders before they drag down deliverability, let customers send from their own domains, and keep stats, unsubscribes, and credentials separate per tenant. It also covers the fundamentals: REST API and SMTP, SDKs in popular languages, separate transactional and broadcast infrastructure, and usage-based pricing starting at just $0.00035 per email—all features included.

AI Summary

Helo is an email API designed for developers, enabling them to send emails on behalf of their customers while managing deliverability and tenant-specific data. It offers REST API and SMTP support, SDKs in popular languages, and a usage-based pricing model starting at $0.00035 per email.

Attention & discussion velocity

Performance

Velocity0

Vote pace vs average

Momentum0

Sustained over 6h

Virality0

Spread × engagement

Engagement18

Discussion per unit of attention

Signal sources

2 of 6 active

Launch tracking8 readings since we picked it up
AI analysisDeveloper Infrastructure
Comment intelligencethread not yet analysed
Outside discussionnot checked — domain is a storefront or shared
Revenue signalsno match on this domain
Editorial scoringbelow the signal threshold for this pass

A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.