Otto AI
x402Grade BLast checked 45 min ago
GET https://x402.ottoai.services/pm-search
Search Polymarket prediction markets by free text: elections, Fed rates, crypto prices, sports, geopolitics, AI. Returns the top matching open markets with live odds (outcome probabilities), best bid/ask, spread, volume, liquidity, end date and event link as flat JSON. Prediction market search, event odds lookup, "what are the odds of X". $0.001 per call — 5x cheaper than comparable PM search.
Price$0.001per price or market lookup · paid in USD on Base
Uptime100%
3/3 probes · 338 ms
Score79Grade B
Paid usage, 30 days6payers · 6 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://x402.ottoai.services/pm-search"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 09:46 | Valid 402 | 402 | 234 ms | $0.001 |
| 2026-10-11 05:15 | Valid 402 | 402 | 189 ms | $0.001 |
| 2026-10-11 01:00 | Valid 402 | 402 | 338 ms | $0.001 |
| 2026-10-10 20:30 | Valid 402 | 402 | 368 ms | $0.001 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves