curl --request POST \
  --url https://api.cloud.flexprice.io/v1/cost \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "meter_id": "<string>",
  "price_id": "<string>"
}'

{
  "created_at": "<string>",
  "id": "<string>",
  "meter_id": "<string>",
  "price_id": "<string>",
  "status": "published",
  "updated_at": "<string>"
}