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SUMUN uses Google OpenID Connect for account sign-in.

SUMUN sign-in requirement for API key management

  1. Select Log In in the SUMUN header.
  2. Continue to Google and choose the account you want to use.
  3. After successful authentication, SUMUN returns you to the original page or My Page.

Signing in is required for API key management and usage history. It is not required to search a public contract or read a public report.

SUMUN uses an HttpOnly session cookie for the browser session. OpenID provider access and refresh tokens are not exposed to frontend JavaScript.