Evergreen World Series Winner
by x402-factory in Markets & finance
Live probability: Who wins the next World Series? — Stable evergreen URL for a recurring question: Who wins the next World Series? Auto-resolves to the current market instance and rolls forward on resolution, so the answer is always about the next occurrence. Response adds current_slug and rolls_to_next_at to the standard probability shape.
https://x402-factory.com/v1/evergreen/world-series-winner- Price
- $0.02
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 127 ms
- 428 ms slowest 5%
- Last check
- Passed
- 28 min ago, next in 2 min
Reliability
How to call it
GET https://x402-factory.com/v1/evergreen/world-series-winner
Each call costs $0.02 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.
GET https://x402-factory.com/v1/evergreen/world-series-winnerExample response
The provider's example. We can't check it without paying.
Example response, 45 lines
{
"data": {
"category": "sports",
"current_slug": "dodgers-win-world-series-2026",
"divergence": 0.0308,
"last_move_1h": 0.0029,
"per_venue": [
{
"implied_p": 0.2228,
"liquidity_score": 0.947,
"market_id": "KXDODGERSWINWORL",
"venue": "kalshi",
"volume_24h_usd": 276650.13
},
{
"implied_p": 0.2536,
"liquidity_score": 0.926,
"market_id": "dodgers-win-world-series-2026",
"venue": "polymarket",
"volume_24h_usd": 93103.56
}
],
"probability": 0.2359,
"question": "Will the Dodgers win the 2026 World Series?",
"resolution_criteria_summary": "Resolves YES if Los Angeles wins the 2026 World Series.",
"resolution_date": "2026-11-01",
"rolls_to_next_at": "2026-11-01",
"slug": "dodgers-win-world-series-2026",
"topic": "world-series-winner",
"topic_question": "Who wins the next World Series?"
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/probability.evergreen.world-series-winner",
"endpoint": "/v1/evergreen/world-series-winner",
"freshness": "realtime",
"generated_at": "2026-09-29T05:40:59.298Z",
"request_id": "req_00000000",
"sources": [
"kalshi",
"polymarket"
],
"version": "1.0.0"
}
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-factory.com/v1/evergreen/world-series-winner'
# 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 - 'https://x402-factory.com/v1/evergreen/world-series-winner' \
| 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-factory.com%2Fv1%2Fevergreen%2Fworld-series-winner
const res = await pay("https://x402-factory.com/v1/evergreen/world-series-winner");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://x402-factory.com/v1/evergreen/world-series-winner")
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 |
|---|---|---|---|---|
| 28 min ago | Passed | 402 | 131 ms | $0.02 |
| 5 h ago | Passed | 402 | 124 ms | $0.02 |
| 9 h ago | Passed | 402 | 376 ms | $0.02 |
| 13 h ago | Passed | 402 | 396 ms | $0.02 |
| 17 h ago | Passed | 402 | 369 ms | $0.02 |
Show 10 older checks
| 21 h ago | Passed | 402 | 428 ms | $0.02 |
| 25 h ago | Passed | 402 | 126 ms | $0.02 |
| 28 h ago | Passed | 402 | 126 ms | $0.02 |
| 32 h ago | Passed | 402 | 128 ms | $0.02 |
| 36 h ago | Passed | 402 | 380 ms | $0.02 |
| 40 h ago | Passed | 402 | 643 ms | $0.02 |
| 43 h ago | Passed | 402 | 126 ms | $0.02 |
| 47 h ago | Passed | 402 | 121 ms | $0.02 |
| 2 days ago | Passed | 402 | 127 ms | $0.02 |
| 2 days ago | Passed | 402 | 468 ms | $0.02 |