generated: '2026-07-18'
method: searched
source: https://casper.com/.well-known/openid-configuration
docs: https://shopify.dev/docs/api/customer
notes: >-
  casper.com is a Shopify storefront. Customer-facing authentication is the Shopify
  Customer Account API using OpenID Connect / OAuth 2.0 (authorization code + PKCE).
  Anonymous read-only browsing (product/collection JSON) requires no auth.
summary:
  types: [openIdConnect, oauth2]
  oauth2_flows: [authorizationCode, refreshToken, jwt-bearer]
  pkce: true
schemes:
- name: shopify-customer-account-oidc
  type: openIdConnect
  issuer: https://shopify.com/authentication/60822683729
  openIdConnectUrl: https://casper.com/.well-known/openid-configuration
  authorization_endpoint: https://shopify.com/authentication/60822683729/oauth/authorize
  token_endpoint: https://shopify.com/authentication/60822683729/oauth/token
  end_session_endpoint: https://shopify.com/authentication/60822683729/logout
  jwks_uri: https://shopify.com/authentication/60822683729/.well-known/jwks.json
  grant_types_supported: [authorization_code, refresh_token, 'urn:ietf:params:oauth:grant-type:jwt-bearer']
  response_types_supported: [code]
  code_challenge_methods_supported: [S256]
  token_endpoint_auth_methods_supported: [client_secret_basic]
  id_token_signing_alg_values_supported: [RS256]
  sources: [well-known/casper-openid-configuration.json]