Update payment on invoice

PATCH/api/v1/invoices/{invoice_id}/payments/{payment_id}

Edit the amount or date of an existing payment record.

Operation ID: update_invoice_payment_api_v1_invoices__invoice_id__payments__payment_id__patch·View as markdown·OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Parameters

Path

invoice_idstring · uuidrequired
payment_idstring · uuidrequired

Request body

Schema: InvoicePaymentUpdateRequest

amountinteger: New payment amount in cents. Must be > 0 and <= the remaining unallocated amount on the transaction (excluding the current payment's allocation).
paid_onstring · date-time: Override payment date (ISO 8601).

Responses

200Successful Response

Schema: SuccessEnvelope_InvoicePaymentResponse_

successboolean
messagestring
codestring
dataapp__api__v1__schemas__invoices__invoice__InvoicePaymentResponse

400Bad Request - Invalid input

401Unauthorized - Authentication required

403Forbidden - Insufficient permissions

404Not Found - Resource does not exist

422Validation Error

Schema: HTTPValidationError

detailarray · ValidationErrorValidationError

5 fields

locarray · string | integerrequired
msgstringrequired
typestringrequired
inputobject
ctxobject

Code samples

PATCH/api/v1/invoices/{invoice_id}/payments/{payment_id}

bash

curl -X PATCH 'https://api.ondayzero.com/api/v1/invoices/{invoice_id}/payments/{payment_id}' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "amount": 0,
  "paid_on": "2026-01-01T00:00:00Z"
}'