product · inferred from evidence
x-hubspot-request-timestamp
A header field used in HubSpot webhook requests to pass the timestamp.
- HubSpot Python SDK `Signature.is_valid()` always fails when timestamp is passed as a float
I am validating HubSpot webhook signatures in Python using the official SDK. I take the timestamp from the `x-hubspot-request-timestamp` header and pass it through `float()`: `Signature.is_valid(..., float(timestamp))`. The signature never