> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fyatu.com/llms.txt
> Use this file to discover all available pages before exploring further.

# BILLING_INVOICE_CREATED

> Fired when a new billing invoice is generated for your business.

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

```json theme={null}
{
  "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](/v3.20/webhooks/events/billing-events).

<RequestExample>
  ```json Webhook Payload theme={null}
  {
    "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"
    }
  }
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {}
  ```
</ResponseExample>


## OpenAPI

````yaml v3.20/openapi.json webhook BILLING_INVOICE_CREATED
openapi: 3.1.0
info:
  title: FYATU CaaS API v3.20
  description: >-
    FYATU Cards-as-a-Service API — API key authentication, Cardholder
    lifecycle, Card issuance, Transactions, Webhooks, and Programs.
  version: 3.20.0
  contact:
    name: FYATU Support
    url: https://fyatu.com
    email: support@fyatu.com
servers:
  - url: https://api.fyatu.com/api/v3.20
    description: >-
      FYATU CaaS API — the environment (LIVE or SANDBOX) is determined by the
      API key, not the URL
security:
  - BearerAuth: []
tags:
  - name: Meta
    description: Liveness, account info, and supported event types
  - name: Account
    description: Account-level balance and funding status
  - name: Programs
    description: Read card program configuration
  - name: Cardholders
    description: Create and manage cardholder profiles
  - name: Cards
    description: Issue, fund, freeze, and terminate virtual cards
  - name: Transactions
    description: Read-only card transaction history
  - name: Webhooks
    description: Manage webhook endpoints for real-time event delivery
  - name: Products
    description: Read card product configurations
paths: {}
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: >-
        API key from the FYATU CaaS portal. Pass as `Authorization: Bearer
        <key>`.

````