ToolVet
75trust / 100

Image From Html

by Relaystation Image From HTML in Documents & files

x402 APIPassing, checked 2 min ago

$0.003/call. Render HTML to an image — sandboxed headless Chromium screenshot of your markup. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

POST https://api.relaystation.ai/v1/image/from-html

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Status and outage history · Atom feed

Uptime
100%
Response time
368 ms typical, 525 ms slowest 5%
Last check
2 min ago
Next check
in 28 min

How to call it

POST https://api.relaystation.ai/v1/image/from-html

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.relaystation.ai/v1/image/from-html
content-type: application/json

{
  "clip": {
    "height": 1,
    "width": 1,
    "x": 0,
    "y": 0
  },
  "fullPage": true,
  "height": 1,
  "html": "string",
  "omitBackground": true,
  "type": "png",
  "width": 1
}

Parameters

ParameterTypeRequiredDescription
clipobjectNoA region to capture (mutually exclusive with fullPage).
fullPagebooleanNoCapture the full scrollable page (mutually exclusive with clip).
heightintegerNoViewport height.
htmlstringNoSelf-contained HTML; all assets inlined as data: URIs (no network).
omitBackgroundbooleanNoTransparent background (png/webp only).
typestringNo One of: png, jpeg, webp.
widthintegerNoViewport width.

Example response

The provider's example. We can't check it without paying.

{
  "ok": true
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.relaystation.ai/v1/image/from-html' \
  -H 'content-type: application/json' \
  --data-raw '{"clip":{"height":1,"width":1,"x":0,"y":0},"fullPage":true,"height":1,"html":"string","omitBackground":true,"type":"png","width":1}'

# 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.relaystation.ai/v1/image/from-html' \
  -H 'content-type: application/json' \
  --data-raw '{"clip":{"height":1,"width":1,"x":0,"y":0},"fullPage":true,"height":1,"html":"string","omitBackground":true,"type":"png","width":1}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.relaystation.ai%2Fv1%2Fimage%2Ffrom-html&method=POST
const res = await pay("https://api.relaystation.ai/v1/image/from-html", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "clip": {
      "height": 1,
      "width": 1,
      "x": 0,
      "y": 0
    },
    "fullPage": true,
    "height": 1,
    "html": "string",
    "omitBackground": true,
    "type": "png",
    "width": 1
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
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.relaystation.ai/v1/image/from-html",
        json={
            "clip": {
                "height": 1,
                "width": 1,
                "x": 0,
                "y": 0,
            },
            "fullPage": True,
            "height": 1,
            "html": "string",
            "omitBackground": True,
            "type": "png",
            "width": 1,
        },
    )
    print(res.status_code, res.text)

Security scan

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