Retrieve USA rate from rates api fail but ok for "Get a Quote" in backend

Here is the payload
{
"apply_shipping_rules":false,
"box":{
"height":2,
"width":2,
"length":2
},
"destination_country_alpha2":"US",
"destination_postal_code":"10001",
"is_insured":false,
"items":[
{
"actual_weight":2,
"height":2,
"width":2,
"length":2,
"category":"toys",
"description":"",
"declared_currency":"HKD",
"declared_customs_value":0,
"quantity":1
}
],
"origin_country_alpha2":"HK",
"origin_postal_code":"0",
"output_currency":"HKD"
}

Our own courier - Showcase Techno just not exist in the response