Payment needed for $0 Invoice

[Vivek Manpuria (Vivek)]

Dear Team,

By default, the __INVOICE_CONTROL_PLUGIN__ aborts payment for an invoice that is generated in the TRIAL phase.

Please could you advise how this default behavior can be modified to not abort the payment?

I could not find any config item. Therefore I was planning to take a look at any demo invoice control plugin but I am not sure if __INVOICE_CONTROL_PLUGIN__ is a default plugin and whether another invoice control plugin can override the default plugin.

Thank you,

Vivek

[karan bansal]

Hi Vivek,

Kindly check the property named org.killbill.payment.allow.emptyInvoice mentioned at https://docs.killbill.io/latest/userguide_configuration#_payment_properties.

Regards

Karan

[Vivek Manpuria (Vivek)]

Thank you.

- Vivek

[Vivek]

Hi Karan,

I have enabled the config, org.killbill.payment.allow.emptyInvoice=true. 

Although an invoice for $0 is now being generated, the payment is being aborted. I have attached the logs. Is there a way to not abort the payment?

--- payment is aborted ---

killbill-1  | {"@timestamp":"2025-10-13T03:24:12.952Z","message":"EXITING PaymentApi: transactionType='PURCHASE', accountId='17890eac-82a0-4ea8-a3dd-b79a5824e7f6', paymentControlPluginNames='__INVOICE_PAYMENT_CONTROL_PLUGIN__,lms-invoice', aborted=true, error='PAYMENT_PLUGIN_API_ABORTED', exception='Control plugin aborted call: __INVOICE_PAYMENT_CONTROL_PLUGIN__'","logger_name":"org.killbill.billing.payment.api.svcs.DefaultInvoicePaymentInternalApi","thread_name":"bus_events-th","level":"INFO","kb.userToken":"3138ac30-e045-46c2-89bd-efd177b78640","kb.tenantRecordId":"1","kb.accountRecordId":"2"}

--- $0 invoice is generated ---

killbill-1  | {"@timestamp":"2025-10-13T03:24:12.958Z","message":"Sending extBusEvent='DefaultBusExternalEvent{objectId=a079d558-bcae-449f-a2ce-0e197d2dad7f, accountId=17890eac-82a0-4ea8-a3dd-b79a5824e7f6, tenantId=c01bdb3e-5783-4b3d-acb7-b5002d10fb2a, objectType=INVOICE, eventType=INVOICE_CREATION}' from busEvent='DefaultInvoiceCreationNotification [invoiceId=a079d558-bcae-449f-a2ce-0e197d2dad7f, accountId=17890eac-82a0-4ea8-a3dd-b79a5824e7f6, amountOwed=0.00, currency=USD]'","logger_name":"org.killbill.billing.beatrix.extbus.BeatrixListener","thread_name":"bus_events-th","level":"INFO","kb.userToken":"3138ac30-e045-46c2-89bd-efd177b78640","kb.tenantRecordId":"1","kb.accountRecordId":"2"}

Thank you,

Vivek

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[karan bansal]

Hi Vivek,

The property that I had mentioned should allow the 0 payment. I tried setting the same property at my end and I am able to generate as well as pay for 0 value invoices. Please check the attached screenshots.

Regards

Karan

[Vivek]

Hi Karan

The $0 payment is no longer being aborted. I had picked up the KB_org_killbill_payment_allow_emptyinvoices config instead of the one without the 's' in the end.

Thank you,
Vivek

To view this discussion visit https://groups.google.com/d/msgid/killbilling-users/53734c87-fa82-4dd0-a39c-25d454c8984bn%40googlegroups.com.