TIANKII API - API KeyPayment RequestsInvoices

Update invoice

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## Update invoice Updates an invoice (`INVOICE` type) by `:id`. Accepts any subset of the create fields (all optional). The invoice must belong to the store resolved from the API key. ### Authentication Merchant API key in `x-api-key`. Requires scope `Merchant.payment_link.update`. Optionally scope with `x-application-account-id`. ### Path parameters - `id` — invoice (payment request) id. ### Body (application/json) Partial invoice — any of: `amount`, `currency`, `title`, `frecuency`, `frecuencyData`, `customerId`, `invoiceNumber`, `invoiceDate`, `dueDate`, `salesTax`, `quantity`, `items[]`, `repeat`, `poNumber`, `memo`, `appId`. Returns the updated invoice (BillingInvoiceResponseDto). --- **Notas:** Handler: billingInvoicesService.update. Lifecycle/status changes use the shared /v1/payment-requests routes.

Authentication

x-api-keystring
API Key authentication via header

Path parameters

idstringRequired

Id of the invoice (payment request).

Headers

x-application-account-idstringOptional

Scope the request to a specific store / account instead of the one resolved from the API key. Aliases: the x-account-id header, or the application_account_id / account_id query parameter.

Request

This endpoint expects an object.
dueDatedatetimeOptional
salesTaxintegerOptional
memostringOptional