Link Inspect
by pixels.gateway.clawca.sh in Other
Inspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.
https://pixels.gateway.clawca.sh/v1/link-inspect- Price
- $0.002
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 500 ms
- 727 ms slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://pixels.gateway.clawca.sh/v1/link-inspect
Each call costs $0.002 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://pixels.gateway.clawca.sh/v1/link-inspect
content-type: application/json
{
"agent_context": {
"agentType": "Codex",
"client": "agentcash"
},
"url": "https://example.com"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
agent_context | object | Yes | Identify the calling agent and payment client. Use Unknown for an unidentified agent and unknown for an unidentified client. No IDs are needed. These answers are reported claims. |
url | string (uri) | Yes |
Example response
The provider's example. We can't check it without paying.
{
"canonical_url": null,
"content_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"content_type": "text/html",
"description": null,
"fetched_bytes": 1256,
"final_url": "https://example.com/",
"language": "en",
"requested_url": "https://example.com",
"status_code": 200,
"title": "Example Domain",
"word_count": 2
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://pixels.gateway.clawca.sh/v1/link-inspect' \
-H 'content-type: application/json' \
--data-raw '{"agent_context":{"agentType":"Codex","client":"agentcash"},"url":"https://example.com"}'
# 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://pixels.gateway.clawca.sh/v1/link-inspect' \
-H 'content-type: application/json' \
--data-raw '{"agent_context":{"agentType":"Codex","client":"agentcash"},"url":"https://example.com"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fpixels.gateway.clawca.sh%2Fv1%2Flink-inspect&method=POST
const res = await pay("https://pixels.gateway.clawca.sh/v1/link-inspect", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"agent_context": {
"agentType": "Codex",
"client": "agentcash"
},
"url": "https://example.com"
}),
});
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://pixels.gateway.clawca.sh/v1/link-inspect",
json={
"agent_context": {
"agentType": "Codex",
"client": "agentcash",
},
"url": "https://example.com",
},
)
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 707 ms | $0.002 |
| 7 h ago | Passed | 402 | 473 ms | $0.002 |
| 11 h ago | Passed | 402 | 509 ms | $0.002 |
| 14 h ago | Passed | 402 | 477 ms | $0.002 |
| 18 h ago | Passed | 402 | 657 ms | $0.002 |
Show 10 older checks
| 22 h ago | Passed | 402 | 587 ms | $0.002 |
| 25 h ago | Passed | 402 | 574 ms | $0.002 |
| 28 h ago | Passed | 402 | 475 ms | $0.002 |
| 31 h ago | Passed | 402 | 540 ms | $0.002 |
| 34 h ago | Passed | 402 | 594 ms | $0.002 |
| 37 h ago | Passed | 402 | 781 ms | $0.002 |
| 41 h ago | Passed | 402 | 497 ms | $0.002 |
| 45 h ago | Passed | 402 | 479 ms | $0.002 |
| 2 days ago | Passed | 402 | 500 ms | $0.002 |
| 2 days ago | Passed | 402 | 485 ms | $0.002 |