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Otto AI

x402.ottoai.services · x402

Crypto prediction markets on Polymarket: the highest-volume open BTC, ETH and crypto markets with live odds (outcome probabilities), best bid/ask, spread, 24h + total volume, liquidity, price change and end date. "Bitcoin above X", price targets, ETF and protocol events — what the prediction market ACTUALLY prices in, as flat JSON refreshed every 5 minutes. Crypto odds, Bitcoin prediction market, ETH probability. $0.001 per call.
Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 19:07 UTC.

answered, last 24 hours
100%
answered, last 30 days
100%
How addrbook checks →

Connect

https://x402.ottoai.services/pm-crypto

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by
  • x402 Bazaarlast seen UTC
Wallets named
  • 0x0e84ddedaae6a779c462c22a59f301ec31b6b808named by x402 Bazaar
Listed since

Payments

different wallets paid it, last 30 days
5
paid calls, last 30 days
10
last paid call (UTC)

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
x402.ottoai.servicesx402Live100%100%—

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