Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Hi all, I'm not sure where to post this but I've been having some issues with 502 error trying to Sign in with Google with the following flow
Flow React Native iOS app → Core API BFF → Ory native API:
```{
  "title": "Error 502: Bad gateway",
  "error_name": "origin_bad_gateway",
  "error_category": "origin",
  "cloudflare_error": true,
  "detail": "The origin web server returned an invalid or incomplete response to Cloudflare."
}```
I am not sure if it is because testing it in the IOS simulator. Would anyone be able to clarify what the root cause and how can I fix this?

hard to say without more info, but here are some common things to check:
• use /self-service/login/api not /browser
• <https://www.ory.com/docs/troubleshooting/one-tap-nonce-provided-google|nonce set>
• webhook failure, if you have any ory actions configured check if targets aren't responding, you should see this in the activity logs
• id_token submitted correctly? Method: oidc, provider: google

Thank you, <@U011D3UQKNY>. I just came back to work. I'll try to use the /self-service/login/api

I'll double check the rest of the points you mentioned above