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> For a complete documentation index, see https://zuora.ferndocs.com/docs/platform/integration/integration-hub/core-connectors-and-applications/developer-tools/configure-invoice-api-generator/llms.txt.
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# Configure Invoice API Generator

> Zuora's Invoice API Generator enables you to generate invoices of historical versions in bulk. You can use the Subscription API Loader to load the desired subscriptions, then use Invoice API Generator to generate invoices and update the invoices to "Posted".

Zuora's Invoice API Generator enables you to generate invoices of historical versions in bulk. You can use the Subscription API Loader to load the desired subscriptions, then use Invoice API Generator to generate invoices and update the invoices to "Posted".

## Known Limitation

If the Invoice Settlement feature is enabled in your tenant, Invoice API Generator does not work when credit memos need to be generated.

> Zuora's Invoice API Generator enables you to generate invoices of historical versions in bulk. You can use the Subscription API Loader to load the desired subscriptions, then use Invoice API Generator to generate invoices and update the invoices to "Posted".

## Docs

- [Create an Invoice API Generator](https://zuora.ferndocs.com/docs/platform/integration/integration-hub/core-connectors-and-applications/developer-tools/configure-invoice-api-generator/create-an-invoice-api-generator.md): Create an Invoice API Generator by navigating through the New Task menu, downloading and completing the template, and configuring the necessary settings.
- [Invoice API Generator Template Fields](https://zuora.ferndocs.com/docs/platform/integration/integration-hub/core-connectors-and-applications/developer-tools/configure-invoice-api-generator/invoice-api-generator-template-fields.md): This section provides an explanation of each field in the Invoice API Generator template, detailing their requirements, types, and usage.