Client billing
Client invoice
Send a clear, branded invoice with line items and payment terms.
Use this for service work, retainers, and other client billing.
TypeDocuments
File typesPDF
SourceMade by thirds.ai with sample names and values.
LicenceFree to copy and use in your own templates
Your data
See the fields before you copy.
Your copy starts with these sample values. Change any of them.
{
"business_name": "Northline Studio",
"business_email": "hello@northline.example",
"client_name": "Fieldnote Labs",
"client_email": "accounts@fieldnote.example",
"invoice_number": "NS-1042",
"issued_on": "2026-09-03",
"items": [
{
"description": "Product launch design",
"amount": 2400
},
{
"description": "Campaign image set",
"amount": 850
}
],
"subtotal": 3250,
"tax": 650,
"total": 3900,
"payment_terms": "Due within 14 days",
"payment_note": "Please use NS-1042 as the payment reference."
}Use it your way
Render the same template on the web, by API, or through MCP.
curl https://thirds.ai/v1/pdf \
-H "Authorization: Bearer $THIRDS_API_KEY" \
-H "Content-Type: application/json" \
-d '{"template_id":"tpl_your_copy","version":1,"data":{"business_name":"Northline Studio","business_email":"hello@northline.example","client_name":"Fieldnote Labs","client_email":"accounts@fieldnote.example","invoice_number":"NS-1042","issued_on":"2026-09-03","items":[{"description":"Product launch design","amount":2400},{"description":"Campaign image set","amount":850}],"subtotal":3250,"tax":650,"total":3900,"payment_terms":"Due within 14 days","payment_note":"Please use NS-1042 as the payment reference."}}'{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "render",
"arguments": {
"output": "pdf",
"idempotency_key": "client-invoice-1",
"request": {
"template_id": "tpl_your_copy",
"version": 1,
"data": {
"business_name": "Northline Studio",
"business_email": "hello@northline.example",
"client_name": "Fieldnote Labs",
"client_email": "accounts@fieldnote.example",
"invoice_number": "NS-1042",
"issued_on": "2026-09-03",
"items": [
{
"description": "Product launch design",
"amount": 2400
},
{
"description": "Campaign image set",
"amount": 850
}
],
"subtotal": 3250,
"tax": 650,
"total": 3900,
"payment_terms": "Due within 14 days",
"payment_note": "Please use NS-1042 as the payment reference."
}
}
}
}
}