Legit.Show measured Helo's Security frame at 80/100. Security headers present: CSP, HSTS, X-Frame-Options. Served over HTTPS with a valid certificate.

How does Legit.Show measure Helo?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

Developer Tools

Helo

Last updated 2026-10-01 · benchmark measured 2026-10-01 — deterministic & reproducible

Helo is a usage-based transactional email API with no plan tiers or overage fees.

77/100

7/7 frames

Top 55% of 14,811 measured · #17 of 21 in email sending api

Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.

Checked 2026-10-01 · scores move as sites change

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To cite this score: legit.show/s/helohq-com/2026-10-01. That address never changes; this page moves with every re-measure.

Legit.Show scored Helo 77/100 on 2026-10-01, measured across all 7 frames from its public surface. legit.show/s/helohq-com/2026-10-01

Is Helo production-ready?

Legit.Show scores Helo 77 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Helo (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 76/100
Accessibility — 96/100
Security — 80/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 0/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 89/100
Discoverability — 100/100

What we measured

Security headers present: CSP, HSTS, X-Frame-Options.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 124 ms to first byte.
Returns a proper 404 for unknown routes.
3 of 3 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.
Discoverable: structured data, sitemap, OpenGraph image, canonical URL.

Who built it

product account @Helo_Hq

Who it's for

Developers · SaaS platforms · Email integrators · Startups · Product builders

Pricing

$5/month platform fee plus $0.00035 per email sent

Sources and updates

Description: Taken from helohq.com's own website on 2026-10-01.
Operator: Helo Ehlo LLC, as named in helohq.com's terms, privacy page or footer.
Benchmark: Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-10-01.

Put together from public information, without Helo's involvement. If anything here is wrong, tell us and a person will check it.

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