The Online Postage API provides any Royal Mail approved third party Marketplace website the ability to print their own postage labels. The API provides the functionality to obtain a country list for a given carrier, obtain terms and conditions for the mail services, obtain the postage price for an individual item, obtain the postage for an individual mail item and spoil (cancel) that unused postage.
This service is only available to Royal Mail approved third party Marketplace websites. Using the Online Postage API will require development costs that will be covered by the third party developing the solution. Royal Mail will not accept any responsibility for these development, implementation and testing costs.
Customers who are interested should contact their Royal Mail account handler to check eligibility.
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