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Otto AI Otto AI

Pay-per-call AI services powered by x402 V2. Pay with USDC on Base, Polygon, or Solana. Our Permit2 infrastructure supports any ERC-20 token — reach out to discuss custom token payments.

30 endpoints live Base + Polygon + Solana Any ERC-20 via Permit2 SIWX Repeat Access Signed Receipts
USDC on 3 Chains
Pay with USDC wherever your funds are. Permit2 infrastructure ready for any ERC-20 — contact us for custom tokens.
Base Polygon Permit2 Ready
Sign In, Skip Payment
Pay once for data endpoints, re-access for 1 hour with your wallet signature (SIWX)
SIWX EVM Solana
Cryptographic Receipts
Every call returns a signed EIP-712 receipt — verifiable proof of service delivery
EIP-712
3 Networks
Pay on whichever chain your funds are on — same endpoints, same prices
Base Polygon Solana

Rate Our Agents (ERC-8004)

On-chain reputation via ERC-8004. Connect your wallet to submit feedback.

Market Alpha Agent
News, sentiment, token alpha
★ ★ ★ ★ ★
Trading Agent
Swaps, bridges, perps
★ ★ ★ ★ ★
Tools Agent
Images, videos, research
★ ★ ★ ★ ★
Built for agents and programmatic access. The Try buttons below offer a quick taste — but the full power of x402 V2 (SIWX repeat access, Solana payments, signed receipts, Permit2) is available through any x402-compatible client or SDK. See /llm.txt or /.well-known/x402 for machine-readable specs.

Market Intelligence

/crypto-news Real-time crypto news with sentiment
$0.001
Try
/filtered-news AI-filtered news by topic
$0.10
Try
/twitter-summary Curated crypto Twitter digest
$0.001
Try
/token-details Token price, market cap, metrics
$0.10
Try
/token-alpha Premium token intelligence
$0.10
Try
/kol-sentiment Top 50 KOL sentiment analysis
$0.10
Try
/yield-alpha DeFi yield opportunities
$0.10
Try
/trending-altcoins Top 3 trending altcoins
$0.10
Try
/mega-report Comprehensive daily briefing
$0.25
Try

Data Intelligence

/token-security Contract security audit (GoPlus)
$0.10
Try
/funding-rates Derivatives dashboard
$0.10
Try
/defi-analytics DeFi protocol analytics
$0.10
Try
/tradfi-data TradFi macro intelligence
$0.10
Try

AI Creative Tools

/generate-meme AI image generation (Gemini 3 Pro)
$0.50
Try
/llm-research AI research assistant (Gemini 2.5 Pro)
$0.50
Try
/tx-explainer Decode & explain transactions
$0.01
Try
/video-gen AI video generation (Sora 2) - use x402scan
$1-7.50
x402scan

Trading Resources

/portfolio Multi-chain Safe wallet balances
$0.001
Try
/supported-tokens Search tokens by symbol on chain
$0.001
Try
/transaction-history Trade history for Safe account
$0.001
Try
/hyperliquid-account Perpetual futures account info
$0.001
Try
/hyperliquid-market Perpetual market data & funding
$0.001
Try
/hl-transaction-history Perpetual trading history
$0.001
Try
/yield-markets Available DeFi yield markets
$0.001
Try
/yield-farming-active Active yield positions
$0.001
Try
/yield-farming-historical Historical yield positions
$0.001
Try

Trading Execution

/swap Swap tokens via Odos (Base, ETH, Arbitrum)
$0.01
POST
/bridge Bridge tokens cross-chain via LiFi
$0.01
POST
/withdraw Withdraw tokens from Safe to wallet
$0.01
POST
/deposit Deposit tokens to Safe (gas fee varies)
dynamic
POST
Discovery LLM.txt OpenClaw Skills Docs x402scan @useOttoAI Reputation Registry