# Billing and Invoicing

## Invoice History

The invoice page allows you to search and download historical Subscribers invoices.

<figure><img src="/files/4j5fp9Bter4hb8jKKGpx" alt=""><figcaption><p>Figure 1. Invoice History Link</p></figcaption></figure>

## Payment Status Log

For Products configured with external payment status updates (see "Payment Options" on the [Products page](/ai-and-api-monetization/products.md)) or with a linked [Payment Configuration](/ai-and-api-monetization/settings/external-configurations/payment-configurations.md), a detailed payment history for each invoice is available within Revenium.

This window shows information related to payment activities from a payment provider.

* **Invoice (Payment Provider)** - invoice number from the payment provider to allow you to look up additional details with the third party provider.
* **Tax Config** - indicates whether this Payment Configuration is set up to use taxation or not (configured on the Payment Configuration page)
* **Tax IDs** - the tax ID (usually a VAT ID) used for this payment.
* **Tax Reason** - provided by the 3rd party payment provider indicating why / how taxes where charged for this payment.
* **Receipt Number** - Revenium's receipt number for the payment. Sometimes used for troubleshooting.

<figure><img src="/files/b0UFDE5TPit1HXbl0aFh" alt=""><figcaption><p>Figure 2. Payment Status Log</p></figcaption></figure>

## View Customer Summary

The "Customer Summary" section allows you to view the total value of unpaid invoices by Customer. Similar to the explanation above re: payment status logs, outstanding balances are only available if you are collecting credit card payments via Revenium[ ](/ai-and-api-monetization/settings/external-configurations/payment-configurations.md)or if you are updating Revenium with the status of invoices that are paid in an outside system.


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