x402-gateway · Tools Mermaid

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://x402.freeq.one/tools/mermaid", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "code": {
      "description": "Mermaid diagram source code, e.g. 'graph TD; A-->B'. Max 50000 chars.",
      "type": "string"
    },
    "format": {
      "description": "Output format (default png). SVG returns vector text.",
      "enum": [
        "png",
        "svg"
      ],
      "type": "string"
    },
    "scale": {
      "description": "Raster scale 1-4, PNG only (default 2).",
      "type": "number"
    },
    "theme": {
      "description": "Mermaid theme (default 'default').",
      "enum": [
        "default",
        "dark",
        "forest",
        "neutral"
      ],
      "type": "string"
    }
  }),
});
const data = await res.json();

curl -X POST \
  "https://x402.freeq.one/tools/mermaid" \
  -H "Content-Type: application/json" \
  -d '{"code":{"description":"Mermaid diagram source code, e.g. 'graph TD; A-->B'. Max 50000 chars.","type":"string"},"format":{"description":"Output format (default png). SVG returns vector text.","enum":["png","svg"],"type":"string"},"scale":{"description":"Raster scale 1-4, PNG only (default 2).","type":"number"},"theme":{"description":"Mermaid theme (default 'default').","enum":["default","dark","forest","neutral"],"type":"string"}}' \
  -H "X-PAYMENT: <signed x402 payment>"