'Google Cloud Translation API got error "403 User Rate Limit Exceeded"

I'm using Google Cloud Translation Service for my bussiness
When I use URL "https://translation.googleapis.com/language/translate/v2" to translate my text. The result is :

{
    "error": {
        "code": 403,
        "message": "User Rate Limit Exceeded",
        "errors": [
            {
                "message": "User Rate Limit Exceeded",
                "domain": "usageLimits",
                "reason": "userRateLimitExceeded"
            }
        ]
    }
} 

I already used payment version, and config all in Google Cloud Console but useless. Who can help me...

POSTMAN



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