Send invoice via email

POST /api/v1/invoices/{invoice_id}/send

Send an invoice to the customer via email. Optionally attach the PDF and CC the sender.

Operation ID: send_invoice_email_api_v1_invoices__invoice_id__send_post · View as markdown · OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Parameters

Path

invoice_id string · uuid required

Responses

201 Successful Response

Schema: InvoiceSendEmailResponse

success boolean required: Whether the email was sent successfully.
invoice_id string required: UUID of the invoice sent.
invoice_number string required: Invoice number (e.g., INV-001).
customer_email string required: Email address the invoice was sent to.
cc_email string: Email address that was CC'd (if cc_sender was true).
message_id string: SES message ID for tracking.
pdf_attached boolean: Whether the PDF was attached to the email.

400 Bad Request - Invalid input

401 Unauthorized - Authentication required

403 Forbidden - Insufficient permissions

404 Not Found - Resource does not exist

409 Conflict - Resource already exists

422 Validation Error

Schema: HTTPValidationError

detail array · ValidationError ValidationError

5 fields

loc array · string | integer required
msg string required
type string required
input object
ctx object

Code samples

POST /api/v1/invoices/{invoice_id}/send

bash

curl -X POST 'https://api.ondayzero.com/api/v1/invoices/{invoice_id}/send' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d ''

javascript

const response = await fetch('https://api.ondayzero.com/api/v1/invoices/{invoice_id}/send', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer dz_your_token',
    'x-business-id': 'YOUR_BUSINESS_ID',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({}),
});
const data = await response.json();

python

import httpx

headers = {
    "Authorization": "Bearer dz_your_token",
    "x-business-id": "YOUR_BUSINESS_ID",
}

payload = {}

response = httpx.post("https://api.ondayzero.com/api/v1/invoices/{invoice_id}/send", headers=headers, json=payload)
data = response.json()