# Otto AI MPP Services (Machine Payments Protocol) # Protocol: https://paymentauth.org (IETF draft-httpauth-payment) # SDK: npm install mppx # Payment: Tempo pathUSD on Tempo blockchain # Recipient: 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 # Usage: # 1. GET any endpoint below # 2. Receive 402 + WWW-Authenticate: Payment challenge # 3. Send Authorization: Payment credential with payment proof # 4. Receive 200 + Payment-Receipt + data # Endpoints: # /crypto-news — $0.001 — Real-time crypto market news with sentiment analysis and top headlines ranked by importance. # /filtered-news?topic=Topic to filter news by (max 2 words) — $0.10 — AI-filtered crypto news and Twitter search for non-token topics. Max 2 words. # /twitter-summary — $0.001 — Quick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts. # /token-details?symbol=Token symbol (e.g., BTC, ETH, SOL) — $0.10 — Token price, market cap, volume, supply, and basic metrics for any listed token. # /token-alpha?symbol=Token symbol (e.g., BTC, ETH, SOL) — $0.10 — Premium token intelligence: price metrics, news, Twitter sentiment, and futures data. # /kol-sentiment — $0.10 — Premium alpha from top 50 crypto KOLs. Real trading signals and sentiment from market movers. # /yield-alpha — $0.10 — Best DeFi yield opportunities across stablecoins, ETH, and BTC with risk ratings. # /trending-altcoins — $0.10 — Top 3 hottest altcoins based on news and Twitter analysis. DYOR. # /mega-report — $0.25 — Comprehensive daily crypto intelligence: headlines, sentiment, KOL alpha, trending, and yields. # /token-security?address=Token contract address (0x-prefixed)&chain?=Chain ID: 1 (ETH), 56 (BSC), 137 (Polygon), 42161 (Arbitrum), 8453 (Base), 43114 (Avalanche), 10 (Optimism) — $0.10 — Token contract security audit. Checks honeypots, hidden mints, rug pull risks, and holder concentration. # /funding-rates?symbol?=Token symbol for detailed view (omit for overview) — $0.10 — Derivatives intelligence: funding rates, open interest, long/short ratios, and whale positions. # /defi-analytics?protocol?=Protocol slug for detail (e.g., aave, lido) — $0.10 — DeFi protocol analytics: TVL rankings, chain breakdown, gainers/losers, and protocol deep dives. # /tradfi-data?symbol?=Ticker symbol for stock quote (omit for macro) — $0.10 — TradFi macro intelligence: indices, VIX, DXY, treasury yields, commodities, and stock quotes. # /generate-meme?prompt=Description of the image to generate — $0.50 — AI image generation powered by Gemini 3 Pro. # /llm-research?prompt=Research question or topic (max 180 chars) — $0.50 — AI research assistant with web search powered by Gemini 2.5 Pro. # /tx-explainer?txHash=Transaction hash (0x-prefixed)&chain?=Chain name (e.g., base, ethereum, arbitrum) — $0.01 — Decode and explain EVM transactions across 11 chains. # /portfolio?userId=Wallet address (0x-prefixed) — $0.001 — Multi-chain token balances for Safe account. # /transaction-history?userId=Wallet address (0x-prefixed) — $0.001 — Trade history for Safe account. # /supported-tokens?search?=Token symbol to search (e.g., USDC)&chainId?=Chain ID to search on — $0.001 — Search supported tokens by symbol on a specific chain. # /hyperliquid-account?address=Wallet address (0x-prefixed) — $0.001 — Hyperliquid perpetual futures account info. # /hyperliquid-market?asset=Asset symbol (e.g., BTC, ETH) — $0.001 — Hyperliquid perpetual market data and funding rates. # /hl-transaction-history?address=Wallet address (0x-prefixed) — $0.001 — Hyperliquid perpetual trading history. # /yield-markets — $0.001 — Available DeFi yield farming markets. # /yield-farming-active?userAddress=Wallet address (0x-prefixed) — $0.001 — Active yield farming positions. # /yield-farming-historical?userAddress=Wallet address (0x-prefixed) — $0.001 — Historical yield farming positions.