Authorization: Bearer ********************curl --location 'https://api.gatewayz.ai/referral/validate' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"referral_code": "string"
}'{
"valid": true,
"message": "string",
"referrer_username": "string",
"referrer_email": "string"
}