{"openapi":"3.1.0","info":{"title":"PUT /api/v1/invoices/{invoice_id}/void","version":"1.0.0","description":"Void invoice"},"servers":[{"url":"https://api.ondayzero.com","description":"Production"}],"paths":{"/api/v1/invoices/{invoice_id}/void":{"put":{"tags":["invoices"],"summary":"Void invoice","description":"Cancel an invoice by setting its status to void.","operationId":"void_invoice_api_v1_invoices__invoice_id__void_put","parameters":[{"name":"invoice_id","in":"path","required":true,"schema":{"type":"string","format":"uuid","title":"Invoice Id"}},{"name":"authorization","in":"header","required":false,"schema":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Authorization"}},{"name":"x-business-id","in":"header","required":false,"schema":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"X-Business-Id"}}],"responses":{"200":{"description":"Successful Response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/InvoiceResponse"}}}},"401":{"description":"Unauthorized - Authentication required","content":{"application/json":{"example":{"detail":"Not authenticated"}}}},"403":{"description":"Forbidden - Insufficient permissions","content":{"application/json":{"example":{"detail":"Not enough permissions"}}}},"404":{"description":"Not Found - Resource does not exist","content":{"application/json":{"example":{"detail":"Resource not found"}}}},"422":{"description":"Validation Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HTTPValidationError"}}}}}}}},"components":{"schemas":{"HTTPValidationError":{"properties":{"detail":{"items":{"$ref":"#/components/schemas/ValidationError"},"type":"array","title":"Detail"}},"type":"object","title":"HTTPValidationError"},"InvoicePaymentResponse":{"properties":{"id":{"type":"string","title":"Id","description":"Payment record UUID."},"invoice_id":{"type":"string","title":"Invoice Id","description":"UUID of the invoice being paid."},"transaction_id":{"type":"string","title":"Transaction Id","description":"UUID of the bank transaction."},"amount":{"type":"integer","title":"Amount","description":"Allocated payment amount in cents."},"currency":{"type":"string","title":"Currency","description":"Currency (USD, CAD, AUD, EUR, or GBP).","default":"USD"},"paid_on":{"type":"string","format":"date-time","title":"Paid On","description":"Effective payment date."},"created_at":{"type":"string","format":"date-time","title":"Created At","description":"Record creation timestamp."},"updated_at":{"type":"string","format":"date-time","title":"Updated At","description":"Last update timestamp."},"business_id":{"type":"string","title":"Business Id","description":"Business UUID."},"transaction":{"anyOf":[{"$ref":"#/components/schemas/InvoicePaymentTransactionSummary"},{"type":"null"}],"description":"Linked bank transaction summary. 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