NameDescriptionTypeAdditional information
error_code

Zero if no errors. See 'error_message' for a detailed description of the error.

integer

None.

error_message

Returns a detailed description of the error.

string

None.

delivery_estimates

The estimated delivery dates, the cut-off applied, and the zone it was read in. Omitted when no estimate could be produced — see 'error_code' and 'error_message'.

delivery_estimates

None.