Winc Authentication

generated: '2026-07-21'
method: searched
source: https://winc.com/.well-known/openid-configuration
docs: https://shopify.dev/docs/api/customer
name: Winc Authentication Profile
description: >-
  Authenticated buyer and agent actions against Winc's Shopify-hosted store use the Shopify
  Customer Account API, secured with OpenID Connect / OAuth 2.0 (authorization code + PKCE).
  Read-only catalog browsing over the storefront and UCP catalog tools is unauthenticated.
provider: Shopify Customer Account API
schemes:
- id: shopify_customer_account_oidc
  type: openIdConnect
  flows:
  - authorization_code
  openid_connect_url: https://winc.com/.well-known/openid-configuration
  issuer: https://shopify.com/authentication/77589545277
  authorization_endpoint: https://shopify.com/authentication/77589545277/oauth/authorize
  token_endpoint: https://shopify.com/authentication/77589545277/oauth/token
  end_session_endpoint: https://shopify.com/authentication/77589545277/logout
  jwks_uri: https://shopify.com/authentication/77589545277/.well-known/jwks.json
  grant_types_supported:
  - authorization_code
  - refresh_token
  - urn:ietf:params:oauth:grant-type:jwt-bearer
  code_challenge_methods_supported:
  - S256
  token_endpoint_auth_methods_supported:
  - client_secret_basic
  id_token_signing_alg_values_supported:
  - RS256
  scopes_supported:
  - openid
  - email
  - customer-account-api:full
  - customer-account-mcp-api:full
unauthenticated_surface:
- Storefront product/collection JSON (GET /products/{handle}.json, /collections/{handle}/products.json)
- Storefront search (GET /search?q=...&type=product)
- UCP catalog search/lookup and cart creation prior to buyer-approved checkout
notes:
- Payment completion always requires explicit buyer approval (see llms.txt / UCP checkout rules).