If you’re sending data to Sentry using the envelope API and receiving an HTTP 403 error with the response:

this is most probably related to your organization’s data region.

If your data is hosted in the EU, you’ll need to send envelopes to your region-specific ingest endpoint instead of the default US one (POST /api/<project_id>/envelope/)

It will look something like this:

In this format:

Using the correct regional ingest URL ensures the request is routed to the environment where your project actually exists, and the 403 error should no longer occur.