Render Pdf

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.pdfzen.site/v402/render/pdf' \
  -H 'content-type: application/json' \
  --data-raw '{"data":{"company":{"address":"1 Market St, SF","name":"Acme Inc."},"currency":"USD","customer":{"email":"[email protected]","name":"Globex Corp."},"invoice":{"dueDate":"2026-06-14","issueDate":"2026-05-14","number":"INV-2026-001"},"items":[{"description":"Q2 consulting","qty":40,"rate":150},{"description":"Onsite training","qty":1,"rate":1200}]},"template":"invoice"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.pdfzen.site/v402/render/pdf' \
  -H 'content-type: application/json' \
  --data-raw '{"data":{"company":{"address":"1 Market St, SF","name":"Acme Inc."},"currency":"USD","customer":{"email":"[email protected]","name":"Globex Corp."},"invoice":{"dueDate":"2026-06-14","issueDate":"2026-05-14","number":"INV-2026-001"},"items":[{"description":"Q2 consulting","qty":40,"rate":150},{"description":"Onsite training","qty":1,"rate":1200}]},"template":"invoice"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.006 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.006" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.006 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.pdfzen.site%2Fv402%2Frender%2Fpdf&method=POST
const res = await pay("https://api.pdfzen.site/v402/render/pdf", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "data": {
      "company": {
        "address": "1 Market St, SF",
        "name": "Acme Inc."
      },
      "currency": "USD",
      "customer": {
        "email": "[email protected]",
        "name": "Globex Corp."
      },
      "invoice": {
        "dueDate": "2026-06-14",
        "issueDate": "2026-05-14",
        "number": "INV-2026-001"
      },
      "items": [
        {
          "description": "Q2 consulting",
          "qty": 40,
          "rate": 150
        },
        {
          "description": "Onsite training",
          "qty": 1,
          "rate": 1200
        }
      ]
    },
    "template": "invoice"
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.006 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.006"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.pdfzen.site/v402/render/pdf",
        json={
            "data": {
                "company": {
                    "address": "1 Market St, SF",
                    "name": "Acme Inc.",
                },
                "currency": "USD",
                "customer": {
                    "email": "[email protected]",
                    "name": "Globex Corp.",
                },
                "invoice": {
                    "dueDate": "2026-06-14",
                    "issueDate": "2026-05-14",
                    "number": "INV-2026-001",
                },
                "items": [
                    {
                        "description": "Q2 consulting",
                        "qty": 40,
                        "rate": 150,
                    },
                    {
                        "description": "Onsite training",
                        "qty": 1,
                        "rate": 1200,
                    },
                ],
            },
            "template": "invoice",
        },
    )
    print(res.status_code, res.text)