Email Sales Invoice
POST/api/sales-invoices/:salesInvoice/email
Email the invoice PDF to the customer. to[] (1–20 email addresses, required), cc[] (optional), subject and message (optional — replace the template's), template_id (optional sales-invoice email template; defaults to the "Invoice Issued" template). Placeholders such as {invoice_number}, {amount_due}, {due_date}, {days_overdue} and {customer_name} are filled in. The send is logged on the customer's AR communications. Drafts and void invoices cannot be emailed.
orders:writeGrant this scope to your token under Settings → Developer → Personal Access Tokens.
Requires orders:write and sales_invoices.send.
Request
Responses
- 200
- 401
- 403
- 404
- 422
- 429
OK
Response Headers
Unauthenticated — the bearer token is missing, revoked, expired, or malformed. Never retry automatically; fix the credential. See the Errors guide.
Forbidden — the token lacks a required scope, the endpoint is not available to API tokens, or the user behind the token lacks the permission. A human must adjust the token scopes or user permissions; do not retry.
Not found — no record with the given identifier (or the route does not exist). Verify the ID before retrying.
Unprocessable Content
Response Headers
Rate limited — platform limit is 1,000 requests/min; individual tokens may carry lower limits. Honor the Retry-After header before retrying. See the Rate Limits guide.