SuperTokens is an open source authentication solution offering features like: Different types of login: Email / password, Passwordless (OTP or Magic link based).

SuperTokens.com

I am just starting to work with supertokens. I prepared the project as in the tutorial for AWS lambda. I stopped at the 404 problem and prepared the frontend on this init:
appInfo: {
        appName: "SuperTokens Demo App",
        apiDomain: "https://api.example.com",
        apiBasePath: "/auth",
        apiGatewayPath: "/",
        websiteDomain: "https://frontend.example.com",
    },

 I prebuild UI and i works. When I try type email to sign up I see network issue:
Request URL: https://api.example.com/auth/signup/email/exists?email=asda%40dsa.com
Request Method: GET
Status Code: 404 Not Found

But when I opened this page I see response:  {"status":"OK","exists":false}

CORS works:
Request URL: https://api.example.com/auth/signup/email/exists?email=asda%40dsa.com
Request Method: OPTIONS
Status Code: 200 OK

I use the API GW V2 with integration for route: ANY /auth/{PROXY+}

can you enable backend debug logs and show the output when callingg this function? Also, can you show how you have integrated supertokens-node sdk with the lambda function?

what are the recipes you have init on the frontend and on the backend in the recipeList?