Invoice

Update invoice

Changed on Aug 22, 2026

Use this BillingServ API endpoint to update invoice. Review the response for the operation result or validation errors.

post/invoice/update-invoice

Request

Base URL
https://demo.onlinebillingform.com/api/v2
Auth
HTTP bearer
TypeScript
https://skmtc.dev/b-cdn/apis/billingserv-api-v2/docs/invoice/update-invoice/post.ts
A function with typed inputs. Its response is checked against the schema.

Headers

Idempotency-Keystring

Optional key for POST /customer/create, POST /invoice/create-quote, POST /invoice/create-invoice, POST /invoice/update-invoice, and POST /order/add-order. Reusing the same key with the same request replays a successful response for 24 hours; reusing it with a different request returns 409.

Request body

invoice_idinteger required

duedatestring required

Format: MM-DD-YYYY.

customer_idinteger required

commentsstring

Response

successboolean

Changes

Aug 22, 20266b9208b64456 Revision changes
- warning
  removed the request property
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  removed the request property
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  removed the request property
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  removed the request property
- warning
  removed the request property
- warning
  removed the request property
- info
  added the new optional header request parameter Idempotency-Key
- info
  added the new optional request property
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
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  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status

Operation history