Create ratezone rate
Creates a rate for a specified ratezone. You cannot have multiple rates for a certain service with overlapping time frame in the same ratezone.
You can provide following fields with the request:
- `rate` (Double, required)
- `volume` (Double, required)
- `currency` (Object, required) - only id to specify
- `service` (Object, required) - only id to specify
- `valid_from` (Date (ISO 8601) optional, Default=Date and Time of creation)
- `valid_until` (Date (ISO 8601) optional)