Prembly (formerly Identitypass) alternatives
TL;DR: 12 companies doing similar work to Prembly (formerly Identitypass) in B2B, ranked by how closely they match what Prembly (formerly Identitypass) actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Prembly (formerly Identitypass). They are scored on how closely their own description overlaps with Prembly (formerly Identitypass)'s, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Prembly (formerly Identitypass)?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| Archal | API sandboxes, built for AI agents | Summer 2026 | 2 | Active |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| GrayPass | Verify that the expected person is in control before key actions. | Fall 2026 | 2 | Active |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| HelloSign | eSignature software for small and mid-market businesses. | Winter 2011 | 100 | Acquired |
| Teleport | The Infrastructure Identity Company | Summer 2015 | 255 | Active |
| Versori | Agentic integrations & automations for enterprise | Winter 2023 | 16 | Acquired |
| Zencoder | Video Encoding API, Open source video player (video.js) | Winter 2010 | 11 | Acquired |
| Pixate | Mobile application prototyping. Now part of Google. | Summer 2012 | 10 | Acquired |
Is Prembly (formerly Identitypass) still active?
Prembly (formerly Identitypass) is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Prembly (formerly Identitypass). They are then ranked on how closely their own description overlaps with Prembly (formerly Identitypass)'s, so the closest matches come first rather than whoever happens to share a tag.