server name
api.sendgrid.com
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
3 distinct client stacks reach this name.
concentration
0.295one client stack dominates — normal for an API or a CDN origin.
Spread is entropy over the fingerprints reaching this domain, not over the domains a fingerprint reaches. It can’t distinguish one scraper from many people — it measures the mix of software, not who runs it.
Footprint
26
observations
3
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- t13d1812h1_850…e481755emulti-build92%
- t13d3112h1_e8f…e05bbdd6multi-build3.8%
- t13d1312h2_f57…3b40a677multi-build3.8%
Busiest 3 client stacks on this page. Share is the fraction of this name’s observations. Many distinct fingerprints on a low-traffic name is itself worth a look; a blank JA3 is a permuting client — open the fingerprint for its variants.
| client | JA3 | stability | count | share | first seen | last seen |
|---|---|---|---|---|---|---|
| t13d1812h1_85036…e481755e | — | multi-build | 24 | 92% | 2026-07-19 | 2026-07-19 |
| t13d3112h1_e8f1e…e05bbdd6 | — | multi-build | 1 | 3.8% | 2026-07-20 | 2026-07-20 |
| t13d1312h2_f57a4…3b40a677 | — | multi-build | 1 | 3.8% | 2026-07-23 | 2026-07-23 |