JWKS Catalog

American Express

OpenID Configuration https://openid.americanexpress.com/.well-known/openid-configuration
JWKS URI https://openid.americanexpress.com/keys

Active Keys

KID Use Alg/Crv Key Length Observed
src-amex-card-enc-2025 enc RSA-OAEP-256 3072 2026-04-14
src-amex-card-enc-2026 enc RSA-OAEP-256 3072 2026-04-14
src-amex-idtoken-2025 sig RS256 3072 2026-04-14
src-amex-idtoken-2026 sig RS256 3072 2026-04-14
src-amex-payload-sign-2025 sig RS256 3072 2026-04-14
src-amex-payload-sign-2026 sig RS256 3072 2026-04-14