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GET
/
v1
/
customers
/
{customerId}
/
upcoming-invoice
Get Upcoming Invoice
curl --request GET \
  --url https://api.monk.com/v1/customers/{customerId}/upcoming-invoice \
  --header 'Authorization: Bearer <token>'
{
  "data": {
    "id": "inv-a1b2c3d4",
    "invoiceNumber": "INV-00042",
    "contractId": "c1d2e3f4",
    "status": "Drafted",
    "invoiceDate": "2026-03-01",
    "dueDate": "2026-03-31",
    "totalCents": 15250,
    "lineItems": [
      {
        "id": "li-1234",
        "name": "Platform Fee",
        "quantity": 1,
        "unitPriceCents": 9900,
        "totalAmountCents": 9900,
        "priceId": "price-5678",
        "isMetered": false,
        "servicePeriod": {
          "start": "2026-03-01T00:00:00.000Z",
          "end": "2026-03-31T23:59:59.999Z"
        }
      },
      {
        "id": "li-5678",
        "name": "API Calls",
        "description": "5,350 units × $0.01/unit = $53.50",
        "quantity": 5350,
        "unitPriceCents": 1,
        "totalAmountCents": 5350,
        "priceId": "price-9012",
        "isMetered": true,
        "servicePeriod": {
          "start": "2026-03-01T00:00:00.000Z",
          "end": "2026-03-31T23:59:59.999Z"
        }
      }
    ]
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.monk.com/llms.txt

Use this file to discover all available pages before exploring further.

Returns null if no active contract exists. Scope: invoices:read

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

​
customerId
string
required

Response

Upcoming invoice preview

​
data
object

Upcoming invoice preview, or null if no active contract exists.