Agent402 Read
by Agent402 READ in Search & web
Fetch and extract structured content from a public URL. Useful for: reading articles, summarizing web pages, extracting facts from a source, understanding what a URL contains. Returns: title, summary, key_points[], extracted_facts[] (stated facts only, inference kept separate), source_url. Input: { url: string } — a public http/https URL (private network addresses are blocked). Output MIME type: application/json. Payment: x402 exact USDC on Base mainnet (eip155:8453).
https://402agent.ai/agent402/api/v1/read- Price
- $0.047
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 1.3 s
- 2.0 s slowest 5%
- Last check
- Passed
- 8 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://402agent.ai/agent402/api/v1/read
Each call costs $0.047 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://402agent.ai/agent402/api/v1/read
content-type: application/json
{
"url": "https://example.com/article"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string (uri) | Yes | A public http/https URL to fetch and extract. Private network addresses (RFC 1918, loopback) are blocked. |
Example response
The provider's example. We can't check it without paying.
{
"replayed": false,
"result": {
"extracted_facts": [
"Stated fact 1",
"Stated fact 2"
],
"key_points": [
"Key point 1",
"Key point 2"
],
"service": "read",
"source_url": "https://example.com/article",
"summary": "A brief summary of the article content…",
"title": "Example Article"
},
"transaction_id": "tx_…"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.047.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://402agent.ai/agent402/api/v1/read' \
-H 'content-type: application/json' \
--data-raw '{"url":"https://example.com/article"}'
# 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://402agent.ai/agent402/api/v1/read' \
-H 'content-type: application/json' \
--data-raw '{"url":"https://example.com/article"}' \
| 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 $0.047 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.047" });
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 $0.047 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2F402agent.ai%2Fagent402%2Fapi%2Fv1%2Fread&method=POST
const res = await pay("https://402agent.ai/agent402/api/v1/read", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"url": "https://example.com/article"
}),
});
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 $0.047 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.047"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://402agent.ai/agent402/api/v1/read",
json={
"url": "https://example.com/article",
},
)
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 |
|---|---|---|---|---|
| 8 h ago | Passed | 402 | 1.7 s | $0.047 |
| 17 h ago | Passed | 402 | 1.3 s | $0.047 |
| 22 h ago | Passed | 402 | 1.3 s | $0.047 |
| 27 h ago | Passed | 402 | 1.2 s | $0.047 |
| 32 h ago | Passed | 402 | 1.5 s | $0.047 |
Show 10 older checks
| 38 h ago | Passed | 402 | 637 ms | $0.047 |
| 43 h ago | Passed | 402 | 1.3 s | $0.047 |
| 2 days ago | Passed | 402 | 1.3 s | $0.047 |
| 2 days ago | Passed | 402 | 1.2 s | $0.047 |
| 2 days ago | Passed | 402 | 1.2 s | $0.047 |
| 3 days ago | Passed | 402 | 1.2 s | $0.047 |
| 3 days ago | Passed | 402 | 1.3 s | $0.047 |
| 3 days ago | Passed | 402 | 1.3 s | $0.047 |
| 3 days ago | Passed | 402 | 1.3 s | $0.047 |
| 3 days ago | Passed | 402 | 1.3 s | $0.047 |