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Ramp: Upload a file attachment to an existing bill — response body

Upload a file attachment to an existing bill: response body. Complete fields and constraints for contract 2026-10-27.

API reference · Contract 2026-10-27

SDK schema: Upload a file attachment to an existing bill — response body

FieldTypePresenceDescription and constraints
$objectRoot
idstringRequired within parentAttachment UUID
Format: uuid

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