What is a purchase order?

Buyer-issued order telling a supplier exactly what to deliver, where, when and at what price, with internal approval. It is written for Supplier, internal approver, accounts payable, receiving. Most teams produce one whenever the occasion calls for it.

How do I generate a purchase order PDF from JSON?

Send a POST to /api/v1/generate with your API key, the template id and a JSON body shaped like the sample on this page; DocuJSON renders the purchase order and returns the PDF. The same template is callable from the DocuJSON MCP server inside Claude, Cursor or your own agent.

What data does the purchase order template need?

The JSON body has 14 top-level keys: buyer, poNumber, orderDate, requestor, deliveryDate, paymentTerms, shippingMethod, currency and 6 more. The document reads them into 8 sections, in order: Header, Order information, Vendor and ship-to blocks, Table: Items, Totals, Notes, Approval, Footer.

Which designs does the purchase order template come in?

Five, all free: base, ledger, instrument, rail, form. The same JSON body renders in all of them, so you can switch the design of your purchase order without changing your integration.

Is the purchase order template free?

Yes. Every template and every design is free, with a small DocuJSON watermark on the free plan. Pro removes the watermark, puts your logo where the DocuJSON mark sits in the purchase order preview, and unlocks configurable variables and higher volume.

template · Operations · per-event · Letter portrait

purchase order template: json in, branded pdf out

Buyer-issued order telling a supplier exactly what to deliver, where, when and at what price, with internal approval.

use this template →generate it from code all templates

five designs, one json body

base · Fraunces + Inter Tightuse this design →

the docujson house design: serif titles, clean tables, KPI cards, navy accents.

what's inside

the sections of the document, in reading order.

01Header
02Order information
03Vendor and ship-to blocks
04Table: Items
05Totals
06Notes
07Approval
08Footer

cadence: per-event
for: Supplier, internal approver, accounts payable, receiving

the json body

14 keys

every key the document reads. send this shape, get the pdf.

buyerobjectbuyer
poNumberstringpo number
orderDatestringorder date
requestorstringrequestor
deliveryDatestringdelivery date
paymentTermsstringpayment terms
shippingMethodstringshipping method
currencystringcurrency
vendorobjectvendor
shipToobjectship to
itemsarrayitems · 4 items
totalsobjecttotals
notesstringnotes
approvalobjectapproval

built-in logic

This template's structure does the work: computed totals, signature blocks. Send the JSON; the engine lays it out in any of the five designs.

configurable outputs · pro

pro

one template. many outputs.

Set these once per template, in the workspace, no code. Every request then lays out by the rules you chose: the same data, a different document.

on every template

Signature blocks
Date format
Currency
Page orientation

configure it in the workspace →

the same data, three ways

signature blocks: off

page orientation: landscape

generate it from your code

01Pick a designChoose one of the five purchase order designs; base and ledger are free.
02Send your JSONPOST a body shaped like the sample (buyer, poNumber, orderDate, requestor…) to /api/v1/generate with your API key, or call the template from the MCP server.
03Get the PDFDocuJSON renders the purchase order with your logo and returns the PDF; the template id stays stable as you iterate.

Use this template in the builder, publish it, and you get a stable templateId for the API and the MCP server.

curl -X POST https://api.docujson.com/v1/generate \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "templateId": "<your-template-id>", "data": { ... } }'

also: the `generate_pdf` tool on mcp.docujson.com, from Claude, Cursor or your own agent.

questions, answered

What is a purchase order?: Buyer-issued order telling a supplier exactly what to deliver, where, when and at what price, with internal approval. It is written for Supplier, internal approver, accounts payable, receiving. Most teams produce one whenever the occasion calls for it.
How do I generate a purchase order PDF from JSON?: Send a POST to /api/v1/generate with your API key, the template id and a JSON body shaped like the sample on this page; DocuJSON renders the purchase order and returns the PDF. The same template is callable from the DocuJSON MCP server inside Claude, Cursor or your own agent.
What data does the purchase order template need?: The JSON body has 14 top-level keys: buyer, poNumber, orderDate, requestor, deliveryDate, paymentTerms, shippingMethod, currency and 6 more. The document reads them into 8 sections, in order: Header, Order information, Vendor and ship-to blocks, Table: Items, Totals, Notes, Approval, Footer.
Which designs does the purchase order template come in?: Five, all free: base, ledger, instrument, rail, form. The same JSON body renders in all of them, so you can switch the design of your purchase order without changing your integration.
Is the purchase order template free?: Yes. Every template and every design is free, with a small DocuJSON watermark on the free plan. Pro removes the watermark, puts your logo where the DocuJSON mark sits in the purchase order preview, and unlocks configurable variables and higher volume.

other operations templates

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Packing Slip

Itemised list of what is in a shipment, with order references and backordered quantities.

Operations· per-event· 5 designs

your purchase order, from json, in one call.

free to start. you land on this template when you sign up.

use this template →

one template. many outputs.

Set these once per template, in the workspace, no code. Every request then lays out by the rules you chose: the same data, a different document.

on every template

Signature blocks
Date format
Currency
Page orientation

configure it in the workspace →

the same data, three ways

signature blocks: off

page orientation: landscape