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"
  }
}

{}

WEBHOOK

{
  "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.

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

For the full event group documentation see Billing Events.

{
  "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

Authorization

string

header

required

API key from the FYATU CaaS portal. Pass as Authorization: Bearer <key>.

Body

application/json

event

string

Example:

"BILLING_INVOICE_CREATED"

eventId

string

businessId

string

environment

enum<string>

Available options:

LIVE,

SANDBOX

timestamp

string<date-time>

data

object

Response

200

Acknowledge the event.

Guides

JIT Authorization

Card Events

Transaction Events

Cardholder Events

Account Events

Billing Events

Event Type

Payload

Payload Fields

Authorizations

Body

Response

​Event Type

​Payload

​Payload Fields

Authorizations

Body

Response

Event Type

Payload

Payload Fields