News To Markets
by OutcomeScout in Markets & finance
Turn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, and a ready bet link. Use when a trading agent reacts to breaking news and needs the tradeable market instantly. $0.01 USDC on Base.
https://outcomescout.vercel.app/api/v1/news-to-markets- Price
- $0.01
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 397 ms
- 1.4 s slowest 5%
- Last check
- Passed
- 2 h ago, next any minute now
Reliability
How to call it
POST https://outcomescout.vercel.app/api/v1/news-to-markets
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://outcomescout.vercel.app/api/v1/news-to-markets
content-type: application/json
{
"headline": "Trump pushes Russia and Ukraine toward a ceasefire"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
headline | string | Yes | |
min_liquidity_usd | number | No |
Example response
The provider's example. We can't check it without paying.
Example response, 26 lines
{
"cost_paid": "$0.01 USDC",
"fetched_at": "2026-06-07T12:00:00.000Z",
"headline": "Trump pushes Russia and Ukraine toward a ceasefire",
"request_ms": 240,
"top_markets": [
{
"bet_link": "https://polymarket.com/event/russia-ukraine-ceasefire-2026",
"collapsed_count": 0,
"current_price": 0.34,
"days_to_resolution": 208,
"drift_24h_pct": 5.1,
"event_title": "Russia x Ukraine ceasefire in 2026?",
"market_question": "Will Russia and Ukraine agree to a ceasefire before 2027?",
"max_safe_trade_3pct_usd": 1800,
"outcome_type": "binary",
"outcomes_in_event": 2,
"primary_label": "Yes",
"rank": 1,
"relevance_score": 0.92,
"size_at_best_ask_usd": 4200,
"spread_cents": 2,
"volume_24h": 125000
}
]
}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://outcomescout.vercel.app/api/v1/news-to-markets' \
-H 'content-type: application/json' \
--data-raw '{"headline":"Trump pushes Russia and Ukraine toward a ceasefire"}'
# 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://outcomescout.vercel.app/api/v1/news-to-markets' \
-H 'content-type: application/json' \
--data-raw '{"headline":"Trump pushes Russia and Ukraine toward a ceasefire"}' \
| 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 $0.01 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%2Foutcomescout.vercel.app%2Fapi%2Fv1%2Fnews-to-markets&method=POST
const res = await pay("https://outcomescout.vercel.app/api/v1/news-to-markets", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"headline": "Trump pushes Russia and Ukraine toward a ceasefire"
}),
});
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://outcomescout.vercel.app/api/v1/news-to-markets",
json={
"headline": "Trump pushes Russia and Ukraine toward a ceasefire",
},
)
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 |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 762 ms | $0.01 |
| 6 h ago | Passed | 402 | 264 ms | $0.01 |
| 10 h ago | Passed | 402 | 264 ms | $0.01 |
| 15 h ago | Passed | 402 | 296 ms | $0.01 |
| 19 h ago | Passed | 402 | 272 ms | $0.01 |
Show 10 older checks
| 23 h ago | Passed | 402 | 204 ms | $0.01 |
| 27 h ago | Passed | 402 | 415 ms | $0.01 |
| 31 h ago | Passed | 402 | 340 ms | $0.01 |
| 35 h ago | Passed | 402 | 1.1 s | $0.01 |
| 39 h ago | Passed | 402 | 1.2 s | $0.01 |
| 42 h ago | Passed | 402 | 1.5 s | $0.01 |
| 46 h ago | Passed | 402 | 242 ms | $0.01 |
| 2 days ago | Passed | 402 | 1.2 s | $0.01 |
| 2 days ago | Passed | 402 | 269 ms | $0.01 |
| 2 days ago | Passed | 402 | 1.4 s | $0.01 |