Error code C400
Invalid request data. Make sure you are sending the request according to this documentation.
Error code C420
Parcel storage extension limit reached. You cannot extend the storage period of this parcel anymore. Contact support if you believe this is a mistake.
Error code C421
You are trying to extend storage period for a parcel but it is not ready. You can extend storage period only for parcels waiting for pickup.
If you are having troubles integrating our API reach out to us at [email protected].