> ## Documentation Index
> Fetch the complete documentation index at: https://developers.redo.com/llms.txt
> Use this file to discover all available pages before exploring further.
# PurchaseCarrierShipmentInput
> A shipment to buy: the rate request plus the selected carrier/service/account.
Carrier of the selected rate, as returned by the quote.
Carrier account the selected rate was quoted on.
Unique key for this purchase (max 400 characters). Retrying with the same key returns the original result instead of buying twice. Keys expire; do not reuse one for a new purchase. If omitted, every call buys a new label.
OutboundShipmentRequestInput!} required>
The shipment to buy a label for.
ContentsSummaryInput}>
Total declared contents. Required by carriers that want a declaration even with no customs items.
Plain-language description of everything in the shipment.
MoneyInput!} required>
Total declared value of the shipment.
OutboundCustomsInput}>
Customs declaration. Required for international shipments; carriers reject them without one.
AesExemptionCode}>
AES exemption to cite when your account files by exemption. Ignored if your account files by ITN; defaults to `NOEEI_30_37_A`.
Description of the contents to print on the form. Defaults to your configured description, or the item descriptions joined together.
CustomsContentsType}>
What the shipment holds. Defaults to `MERCHANDISE`.
[OutboundCustomsItemInput!]!} required>
The declared lines (max 100).
Internal Transaction Number for a shipment you filed with AES, e.g. "AES X20260827123456". Used only if your account is configured to file by ITN.
CustomsNonDeliveryOption}>
What to do if the shipment cannot be delivered. Defaults to `RETURN`.
Assigns who is billed for duties and import taxes: the sender (DDP) or the recipient (DAP). Does not affect the quoted or charged rate — duties are billed separately after the shipment moves. Omit to leave the choice to your carrier configuration.
OutboundAddressInput!} required>
Ship-from address.
[OutboundParcelInput!]!} required>
The parcels in the shipment (max 5).
DimensionInput!} required />
DimensionInput!} required />
WeightInput!} required />
DimensionInput!} required />
OutboundAddressInput}>
Return address, if different from the ship-from address.
[TaxIdentifierInput!]}>
Tax identifiers for the shipment, e.g. an IOSS number for EU-bound goods.
TaxIdentifierEntity!} required>
Which party the identifier belongs to.
CountryCode!} required>
Country of the authority that issued it.
TaxIdentifierType!} required>
The kind of identifier.
The identifier itself.
OutboundAddressInput!} required>
Ship-to address.
Service level of the selected rate, as returned by the quote.
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