Circle
OpenID Configuration
https://login.circle.com/.well-known/openid-configuration
Active Keys
| KID | Use | Alg/Crv | Key Length | Observed |
|---|---|---|---|---|
| N3YNc3vBhOBLK3sLS8Nk75yiV_Ley7uE-xPxceIR8R0 | sig | RS256 | 2048 | 2026-09-22 |
Identity Provider Signals
Checked boxes mark headers observed on each endpoint during a successful crawl.
Header signals are clues, not proof of the identity platform. Proxies can add or remove headers.
Recently Deactivated Keys
| KID | Use | Alg/Crv | Key Length | Observed |
|---|---|---|---|---|
| 1_N8E32zUpD_zaMVUw4Lt0dF5-uSXUFxlwIXSzN-TDI | sig | RS256 | 2048 | 2026-09-22 to 2026-10-10 (17 days) |