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GET
Record an email open via the tracking pixel

Authorizations

Authorization
string
header
required

Dashboard JWT token from Clerk

Path Parameters

sig
string
required

HMAC-SHA256 signature binding the message id, tenant, and send timestamp. Minted by Orbit when the email is rendered.

Response

200 - image/gif

A 1×1 transparent GIF served with no-cache headers. Returned whether or not an open was recorded — a missing or invalid signature is silently ignored so the pixel never breaks the email.

The response is of type file.