generated: '2026-07-18' method: searched source: https://www.byheart.com/.well-known/openid-configuration docs: https://shopify.dev/docs/api/customer note: >- ByHeart's storefront authenticates customers via Shopify's Customer Account API, an OpenID Connect / OAuth 2.0 authorization server hosted by Shopify and advertised under the ByHeart domain. There is no first-party ByHeart API. summary: types: [oauth2, openIdConnect] oauth2_flows: [authorizationCode] pkce: S256 grant_types: [authorization_code, refresh_token, 'urn:ietf:params:oauth:grant-type:jwt-bearer'] schemes: - name: shopifyCustomerAccountOIDC type: openIdConnect provider: Shopify Customer Account API issuer: https://shopify.com/authentication/59458650296 authorization_endpoint: https://shopify.com/authentication/59458650296/oauth/authorize token_endpoint: https://shopify.com/authentication/59458650296/oauth/token end_session_endpoint: https://shopify.com/authentication/59458650296/logout jwks_uri: https://shopify.com/authentication/59458650296/.well-known/jwks.json id_token_signing_alg: [RS256] token_endpoint_auth_methods: [client_secret_basic] code_challenge_methods: [S256] sources: [well-known/byheart-openid-configuration.json]