Best Markets to Watch ($0.005/call): The best Polymarket prediction markets to watch right now, ranked by a composite watch-score (24h volume, liquidity, competitiveness, momentum, time-to-resolution). Filter by tag. Returns implied probability, volume, liquidity, spread and a plain-English reason for each. Live data, no account needed.
GET https://x402.botsmith.dev/polymarket/marketsListed in 3 directories: bazaar, x402-list, x402-new. First seen 5 Sept 2026.
The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, account);
const res = await pay("https://x402.botsmith.dev/polymarket/markets", {
method: "GET",
});
console.log(await res.json());x402.botsmith.dev
X Tweet Search ($0.005/call): Search X (Twitter) posts with full advanced-search syntax (from:, since:, until:, exact phrases, boolean operators). Returns up to 20 posts per call as clean JSON with metrics and entities, plus a cursor for the next page. No X account or API key needed.
BaseSocial & communityAx402.botsmith.dev
X User Profile ($0.004/call): Fetch an X (Twitter) account by handle: display name, bio, follower/following/tweet counts, account creation date and age in days, verification status, location and profile image. No X account or API key needed.
BaseSocial & communityAx402.botsmith.dev
Stablecoin Peg Monitor ($0.004/call): Live peg-and-supply snapshot for any stablecoin by symbol (USDC, USDT, DAI, ...): current price, signed deviation from peg in basis points, a depeg alert at 1%, total circulating supply and its top-chain breakdown. Keyless. Useful before settling or holding value in a given stablecoin.
BaseMarket data & DeFiAx402.botsmith.dev
Market Intel & Signals ($0.006/call): Deep snapshot and execution microstructure for one Polymarket market: implied probability, best bid/ask/spread, 24h volume, liquidity depth, days to resolution, momentum, and estimated slippage to buy at $100 and $1000 order sizes from the live order book. Pass a slug, or omit it for the highest-volume open market right now. Signals are factual market data, not investment advice.
BaseGames & funAx402.botsmith.dev
Crypto Perp Snapshot ($0.006/call): One-call perpetual-futures snapshot for a coin (BTC, ETH, SOL, ...): funding rate and open interest across Binance, Bybit and OKX, aggregate OI, average funding (annualized) with a longs-pay/shorts-pay read, mark price, next funding time and the Fear & Greed index. Keyless public exchange data; normalized so a trading agent gets one JSON instead of three exchange schemas.
BaseMarket data & DeFiAx402.botsmith.dev
X Tweet Lookup ($0.005/call): Fetch one X (Twitter) post by numeric id: full text, author, ISO timestamp, like/retweet/reply/view counts, hashtags, expanded links and mentions as clean JSON. No X account or API key needed.
BaseSocial & communityAUptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.