Microsoft Booking Appointment Graph API -Only Post Request Not working - api

Question

when I trying to create Microsoft Booking Appointment through Graph API
Only Post Request Not working .
GET , PATCH , DELETE Reuqest are working fine
through postman
same post request is working find on graph explorer platform . but not on posmant with
my auth token
my post API
https://graph.microsoft.com/v1.0/solutions/bookingBusinesses/XXXXXXXXXXXXXXX.com/appointments
and body (took example from here)
excluded optional properties like servicename and customers
{
"#odata.type": "#microsoft.graph.bookingAppointment",
"customerTimeZone": "America/Chicago",
"smsNotificationsEnabled": false,
"endDateTime": {
"#odata.type": "#microsoft.graph.dateTimeTimeZone",
"dateTime": "2023-01-02T14:30:00.0000000",
"timeZone": "UTC"
},
"isLocationOnline": true,
"optOutOfCustomerEmail": false,
"anonymousJoinWebUrl": null,
"postBuffer": "PT10M",
"preBuffer": "PT5M",
"price": 10,
"priceType#odata.type": "#microsoft.graph.bookingPriceType",
"priceType": "fixedPrice",
"reminders#odata.type": "#Collection(microsoft.graph.bookingReminder)",
"reminders": [
{
"#odata.type": "#microsoft.graph.bookingReminder",
"message": "This service is tomorrow",
"offset": "P1D",
"recipients#odata.type": "#microsoft.graph.bookingReminderRecipients",
"recipients": "allAttendees"
},
{
"#odata.type": "#microsoft.graph.bookingReminder",
"message": "Please be available to enjoy your lunch service.",
"offset": "PT1H",
"recipients#odata.type": "#microsoft.graph.bookingReminderRecipients",
"recipients": "customer"
},
{
"#odata.type": "#microsoft.graph.bookingReminder",
"message": "Please check traffic for next cater.",
"offset": "PT2H",
"recipients#odata.type": "#microsoft.graph.bookingReminderRecipients",
"recipients": "staff"
}
],
"serviceId": "XXXXXXXXXXXXXXXXXXXXX",
"serviceLocation": {
"#odata.type": "#microsoft.graph.location",
"address": {
"#odata.type": "#microsoft.graph.physicalAddress",
"city": "Buffalo",
"countryOrRegion": "USA",
"postalCode": "98052",
"postOfficeBox": null,
"state": "NY",
"street": "123 First Avenue",
"type#odata.type": "#microsoft.graph.physicalAddressType",
"type": null
},
"coordinates": null,
"displayName": "Customer location",
"locationEmailAddress": null,
"locationType#odata.type": "#microsoft.graph.locationType",
"locationType": null,
"locationUri": null,
"uniqueId": null,
"uniqueIdType#odata.type": "#microsoft.graph.locationUniqueIdType",
"uniqueIdType": null
},
"serviceNotes": "Customer requires punctual service.",
"startDateTime": {
"#odata.type": "#microsoft.graph.dateTimeTimeZone",
"dateTime": "2023-01-02T14:00:00.0000000",
"timeZone": "UTC"
},
"maximumAttendeesCount": 1,
"filledAttendeesCount": 1
}