{
"event": "BILLING_INVOICE_CREATED",
"eventId": "EVTJHLTPQH45SAP",
"businessId": "BUS1A2B3C4D5E6F",
"environment": "LIVE",
"timestamp": "2026-06-01T00:00:00Z",
"data": {
"invoiceId": "INVTEST000001AB",
"invoiceNumber": "INV-2026-06-001",
"type": "MONTHLY",
"amount": 49.99,
"currency": "USD",
"periodStart": "2026-06-01T00:00:00Z",
"periodEnd": "2026-06-30T23:59:59Z",
"dueAt": "2026-06-15T00:00:00Z"
}
}
{}
Billing Events
BILLING_INVOICE_CREATED
Fired when a new billing invoice is generated for your business.
WEBHOOK
BILLING_INVOICE_CREATED
{
"event": "BILLING_INVOICE_CREATED",
"eventId": "EVTJHLTPQH45SAP",
"businessId": "BUS1A2B3C4D5E6F",
"environment": "LIVE",
"timestamp": "2026-06-01T00:00:00Z",
"data": {
"invoiceId": "INVTEST000001AB",
"invoiceNumber": "INV-2026-06-001",
"type": "MONTHLY",
"amount": 49.99,
"currency": "USD",
"periodStart": "2026-06-01T00:00:00Z",
"periodEnd": "2026-06-30T23:59:59Z",
"dueAt": "2026-06-15T00:00:00Z"
}
}
{}
Fires when FYATU generates a new billing invoice for your business. Monthly invoices are generated on the first of each month; setup invoices are generated when a new program is activated. View and pay invoices in the FYATU portal under Billing.
For the full event group documentation see Billing Events.
Event Type
BILLING_INVOICE_CREATED
Payload
{
"event": "BILLING_INVOICE_CREATED",
"eventId": "EVTJHLTPQH45SAP",
"businessId": "BUS1A2B3C4D5E6F",
"environment": "LIVE",
"timestamp": "2026-06-01T00:00:00Z",
"data": {
"invoiceId": "INVTEST000001AB",
"invoiceNumber": "INV-2026-06-001",
"type": "MONTHLY",
"amount": 49.99,
"currency": "USD",
"periodStart": "2026-06-01T00:00:00Z",
"periodEnd": "2026-06-30T23:59:59Z",
"dueAt": "2026-06-15T00:00:00Z"
}
}
Payload Fields
| Field | Type | Description |
|---|---|---|
invoiceId | string | Unique invoice identifier |
invoiceNumber | string | Human-readable invoice number |
type | string | MONTHLY or SETUP |
amount | number | Invoice amount in dollars |
currency | string | Currency code (always USD) |
periodStart | string | ISO 8601 start of the billing period — present for MONTHLY invoices only |
periodEnd | string | ISO 8601 end of the billing period — present for MONTHLY invoices only |
dueAt | string | ISO 8601 payment due date |
{
"event": "BILLING_INVOICE_CREATED",
"eventId": "EVTJHLTPQH45SAP",
"businessId": "BUS1A2B3C4D5E6F",
"environment": "LIVE",
"timestamp": "2026-06-01T00:00:00Z",
"data": {
"invoiceId": "INVTEST000001AB",
"invoiceNumber": "INV-2026-06-001",
"type": "MONTHLY",
"amount": 49.99,
"currency": "USD",
"periodStart": "2026-06-01T00:00:00Z",
"periodEnd": "2026-06-30T23:59:59Z",
"dueAt": "2026-06-15T00:00:00Z"
}
}
{}
Authorizations
API key from the FYATU CaaS portal. Pass as Authorization: Bearer <key>.
Body
application/json
Response
200
Acknowledge the event.

