A. Not sure it should be ‘grantCallbackAccess’ or ‘grantCallbackResponse’ ? The documentation does not seems to define this.
B. What if the response returned is an error ? There was no subsequent grant call.
{
“headers”: {
“schema”: “st-schema”,
“version”: “1.0”,
“interactionType”: "grantCallbackAccess",
“requestId”: “64F0E2E6-F136-4A92-BF32-A1531XXXXXXX”
},
“globalError”: {
“errorEnum”: “BAD-REQUEST”,
“detail”: “accessTokenRequest failed”
}
}