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This is the generic invoice reference

This page describes the standard invoice structure used across all supported countries. It covers the core fields needed to create an invoice regardless of country. Several jurisdictions require additional mandatory fields, specific value formats, or extra validation on top of what is shown here. Those requirements are documented in the relevant Country Guide, not on this page.

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A 202 Accepted is not a final result

When the document cannot be processed while you wait, this endpoint returns 202 with a pending … status instead of 200. Poll the list endpoint on modified to pick up the final status, and keep polling in countries where a successful document can later become paid or rejected. See Asynchronous responses (202).