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Cookies and CORS

Cookie and CORS requirements for the session to work across origins.

1 min read

The web SDK session depends on a cookie set by the platform and a CORS configuration that accepts credentials.

The cookie is set by the platform with SameSite=None; Secure. That is why your page must be served over HTTPS.

Sending credentials

SDK calls to the platform API use credentials: "include".

CORS

The platform responds with Access-Control-Allow-Credentials: true for allowed origins. Your origin must be among them.

File upload

Sending the file to the signed address does not go through this credentials configuration.

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