A 504 under heavy concurrent load usually points more toward the gateway
or worker queue timing out than the API itself. I’d check the proxy
timeout values, connection pool limits, and how quickly the webhook
handler acknowledges requests. It can als...
It looks like Accept Hosted doesn’t provide full feature parity with
SIM, especially around fields and hosted form behavior. The Customer ID
field and line item display may not be available on the hosted payment
page even though the data can still be...
