Error
Invoices
Update an invoice item
Updates the amount and description of a pending item. An item already drained onto an invoice cannot be updated.
POST
Error
Authorizations
A merchant secret key (sk_…) sent as Authorization: Bearer <key>.
Headers
A unique key that makes retries safe: the same key with the same request body returns the original response instead of repeating the operation.
Maximum string length:
255Path Parameters
The invoice item id (ii_…).
Body
application/json
Response
The updated invoice item.
Available options:
invoice_item Total amount in minor units.
The invoice this item was drained onto, or null while pending.
Unix epoch seconds.

