Wikipedia Summary
by Vextorium in News & content
Summary of a Wikipedia article in any language: title, short description, lead paragraph, image, coordinates, link and Wikidata id. If the title is not exact it returns the closest article, flagged as approximate, with alternatives.
POST https://api.vextorium.com/v1/wikipedia-summary
Last 30 days
Status and outage history · Atom feed
- Uptime
- 0.0%
- Response time
- - typical, - slowest 5%
- Last check
- 4 h ago: Amount "0.002" is not in atomic token units
- Next check
- any minute now
How to call it
POST https://api.vextorium.com/v1/wikipedia-summary
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://api.vextorium.com/v1/wikipedia-summary
content-type: application/json
{
"language": "es",
"topic": "Madrid"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
language | string | No | es, en, fr, de... |
topic | string | Yes |
Example response
The provider's example. We can't check it without paying.
{
"approximate_match": false,
"coordinates": {
"lat": 40.41694444,
"lon": -3.70333333
},
"description": "capital de España",
"image": "https://thumb.wikimedia.org/wikipedia/commons/thumb/d/d7/Bandera_de_la_ciudad_de_Madrid.svg/langes-330px-Bandera_de_la_ciudad_de_Madrid.svg.png?utm_source=es.wikipedia.org&utm_campaign=api&utm_content=thumbnail",
"language": "es",
"last_edition": "2026-09-30T18:42:37Z",
"link": "https://es.wikipedia.org/wiki/Madrid",
"notice": null,
"other_articles": null,
"source": "Wikipedia (CC BY-SA 4.0; cite the linked article)",
"summary": "Madrid es un municipio y una ciudad de España. La localidad, con categoría histórica de villa, es la capital del Estado y de la Comunidad de Madrid. En su término municipal, el más poblado de España, su población es de 3 506 730 habitantes, constituyéndose como la segunda ciudad más poblada de la Un…",
"title": "Madrid",
"wikidata": "Q2807"
}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://api.vextorium.com/v1/wikipedia-summary' \
-H 'content-type: application/json' \
--data-raw '{"language":"es","topic":"Madrid"}'
# 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.vextorium.com/v1/wikipedia-summary' \
-H 'content-type: application/json' \
--data-raw '{"language":"es","topic":"Madrid"}' \
| 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%2Fapi.vextorium.com%2Fv1%2Fwikipedia-summary&method=POST
const res = await pay("https://api.vextorium.com/v1/wikipedia-summary", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"language": "es",
"topic": "Madrid"
}),
});
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://api.vextorium.com/v1/wikipedia-summary",
json={
"language": "es",
"topic": "Madrid",
},
)
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 |
|---|---|---|---|---|
| 4 h ago | Amount "0.002" is not in atomic token units | 402 | 86 ms | $0.002 |
| 9 h ago | Amount "0.002" is not in atomic token units | 402 | 81 ms | $0.002 |
| 13 h ago | Amount "0.002" is not in atomic token units | 402 | 80 ms | $0.002 |
| 18 h ago | Amount "0.002" is not in atomic token units | 402 | 121 ms | $0.002 |
| 22 h ago | Amount "0.002" is not in atomic token units | 402 | 132 ms | $0.002 |
| 27 h ago | Amount "0.002" is not in atomic token units | 402 | 217 ms | $0.002 |
| 31 h ago | Amount "0.002" is not in atomic token units | 402 | 86 ms | $0.002 |
| 35 h ago | Amount "0.002" is not in atomic token units | 402 | 95 ms | $0.002 |
| 39 h ago | Amount "0.002" is not in atomic token units | 402 | 75 ms | $0.002 |
| 43 h ago | Amount "0.002" is not in atomic token units | 402 | 73 ms | $0.002 |
| 47 h ago | Amount "0.002" is not in atomic token units | 402 | 85 ms | $0.002 |
| 2 days ago | Amount "0.002" is not in atomic token units | 402 | 109 ms | $0.002 |
| 2 days ago | Amount "0.002" is not in atomic token units | 402 | 80 ms | $0.002 |
| 2 days ago | Amount "0.002" is not in atomic token units | 402 | 160 ms | $0.002 |
| 3 days ago | Amount "0.002" is not in atomic token units | 402 | 208 ms | $0.002 |