curl --request POST \
  --url https://api.example.com/credits/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "usd": 123
}'

{
  "credits_remaining": {
    "amount": 123,
    "usd": 123
  },
  "credits_used": {
    "amount": 123,
    "usd": 123
  },
  "credit_checks_enabled": true
}