Url Context

Last 30 days

Uptime

100%

Response time

269 ms typical, 269 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.agentmercantile.com/v1/url-context" \
  -H "content-type: application/json" \
  -d '{"url":"https://example.com/"}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.agentmercantile.com%2Fv1%2Furl-context
const res = await pay("https://api.agentmercantile.com/v1/url-context", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"url":"https://example.com/"}),
});
console.log(await res.json());

Example input

{
  "url": "https://example.com/"
}

Example output

{
  "checked_at": "2026-08-19T00:00:00.000Z",
  "content": {
    "approx_tokens": 39,
    "characters": 155,
    "extraction_basis": "body-heuristic",
    "text": "This domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.",
    "token_estimate_method": "ceil(characters/4)",
    "truncated": false
  },
  "evidence": {
    "final_response_headers": {
      "content-type": "text/html; charset=UTF-8"
    },
    "notes": []
  },
  "final_url": "https://example.com/",
  "freshness": {
    "observations": []
  },
  "http": {
    "content_type": "text/html; charset=UTF-8",
    "redirect_count": 0,
    "status": 200
  },
  "limitations": [],
  "metadata": {
    "canonical": "https://example.com/",
    "description": null,
    "title": "Example Domain"
  },
  "methodology_version": "url-context-0.1.0",
  "outline": [
    {
      "level": 1,
      "text": "Example Domain"
    }
  ],
  "requested_url": "https://example.com/",
  "size": {
    "normalized_content_characters": 155,
    "output_json_bytes": 1400,
    "source_bytes_read": 1256
  },
  "status": "OK",
  "structured_data": {
    "json_ld_types": []
  }
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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