Costco
OpenID Configuration
https://login.costco.com/.well-known/openid-configuration
JWKS URI
https://login.costco.com/pf/JWKS
Active Keys
| KID | Use | Alg/Crv | Key Length | Observed |
|---|---|---|---|---|
| _ttjSKs7xf9Xks3jM7W5br3j21o | sig | P-521 | 521 | 2026-03-27 |
| kjf7vFF8TEp_gbttjqGQxgNPfcM | enc | P-256 | 256 | 2026-03-27 |
| z7cgzXpzjO1uAydxUVFMMLd6yfE | sig | P-384 | 384 | 2026-03-27 |
| bCtKKzEjJt7acqg8eMPoCYql3SI | enc | 2048 | 2026-03-27 | |
| NhjIf9C-0R3E1hdWHEV4-hZEDNM | sig | 2048 | 2026-03-27 | |
| NhjIf9C-0R3E1hdWHEV4-hZEDNM_RS256 | sig | RS256 | 2048 | 2026-03-27 |
| Y7E9syKEfpjwqPYAAFpnW09clXI | sig | P-384 | 384 | 2026-03-27 |
| ZP1GWrZ6c7OZt-9_1bSZ3HL7lIM | enc | P-384 | 384 | 2026-03-27 |
| tKbjQj2R3ZXhDvZ2V7_WhjFP6LU | sig | P-521 | 521 | 2026-03-27 |
| mRhtfuc7yPSEQXOVlimX9ItFs4Y_RS256 | sig | RS256 | 2048 | 2026-03-27 |
| mRhtfuc7yPSEQXOVlimX9ItFs4Y | sig | 2048 | 2026-03-27 | |
| mNlW9hegBf9Ng0VeeOLHbeefdJc | enc | P-521 | 521 | 2026-03-27 |
| jHlTNMrenKAcrDCz5gjpDqWMyrg | sig | P-256 | 256 | 2026-03-27 |
| 5cpfJTfQtau2uOUusYl2sUgyHmE | sig | P-256 | 256 | 2026-03-27 |
| fVoDkRVxwow2d_WrPlyt5eG2dRk | sig | P-256 | 256 | 2026-03-26 |
| K1CL8PNN_qpyaP1_YyuBFNukQuU_RS256 | sig | RS256 | 2048 | 2026-03-26 |
| eHITDMAOGz7cXZmq_ZjJ5sO6aQ4 | sig | P-521 | 521 | 2026-03-26 |
| A83IgnB4529hgZPwlKJE8pq95Xo | sig | P-384 | 384 | 2026-03-26 |
| K1CL8PNN_qpyaP1_YyuBFNukQuU | sig | 2048 | 2026-03-26 |
Recently Deactivated Keys
(Most recent 10 records shown)
| KID | Use | Alg/Crv | Key Length | Observed |
|---|---|---|---|---|
| WFAjUro3TORNaKgcoJ3hcMtKiYw | sig | P-256 | 256 | 2026-03-25 to 2026-03-27 (2 days) |
| ngsVX91VCBhdRgx5yN08Q4HFEQQ | enc | P-521 | 521 | 2026-03-26 to 2026-03-27 (1 days) |
| q7jACFhAOa8e6oOAtBLCs1h_tVg | sig | P-521 | 521 | 2026-03-26 to 2026-03-27 (1 days) |
| q0Y9cv17GVw6_0L1yHlGhKMiGHw | sig | P-256 | 256 | 2026-03-26 to 2026-03-27 (1 days) |
| My-6UbbrKW1hGFJIkyZUVdIn-J8 | enc | P-256 | 256 | 2026-03-26 to 2026-03-27 (1 days) |
| _6gyc8QoXIXSI3ujpNSwLF2KPwA | sig | P-384 | 384 | 2026-03-26 to 2026-03-27 (1 days) |
| r6kkVJ6da_3_inXbQYgKZUvhSb0 | sig | P-521 | 521 | 2026-03-25 to 2026-03-27 (2 days) |
| TSHe1nQZ16mH8PfVm093mAqKa1w | sig | P-384 | 384 | 2026-03-25 to 2026-03-27 (2 days) |
| 3IRYjI7GuxF3PVE2HYok8saD3hg | sig | 2048 | 2026-03-26 to 2026-03-27 (1 days) | |
| ws5JJ33oyayem69FsdQklplGlDM_RS256 | sig | RS256 | 2048 | 2026-03-25 to 2026-03-27 (2 days) |