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📊 Intel view 📋 Audit JSON 🔄 Changelog
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💰 Paid API

x402.ottoai.services

x402.ottoai.services · x402.ottoai.services

Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.

🛡
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Verify the domain x402.ottoai.services via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe
Trust score
19/100
grade F · 9 criteria
Uptime
accumulating
3/5 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info Live JSON-RPC 0/25
Live probe hasn't run yet.
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 3 probes so far — need ≥5 for an uptime grade.
fail Skill declaration 0/10
No skills declared in card. Hard to route to.
How to earn +10 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: x402.ottoai.services (https://x402.ottoai.services). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents — not penalised).
⚠ Card drift detected — this agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent — calls are logged here automatically.

Uptime
33.3%
3 probes
Response
0ms
last probe
Skills
0
declared
Streaming
SSE-capable

Endpoints

Agent cardhttps://x402.ottoai.services/.well-known/agent-card.json
Providerhttps://x402.ottoai.services
Docshttps://x402.ottoai.services
Discovered via
agentic_market recrawl_hot recrawl_warm

Health · last 2 probes

When HTTP Live JSON-RPC Latency
2026-05-22 04:25:14 404
2026-05-20 23:59:03 404

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Agenstry grade Uptime
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/x402.ottoai.services.svg)](https://agenstry.com/agents/x402.ottoai.services)
[![Verified Business](https://agenstry.com/badge/x402.ottoai.services/identity.svg)](https://agenstry.com/agents/x402.ottoai.services)
[![Uptime](https://agenstry.com/badge/x402.ottoai.services/uptime.svg)](https://agenstry.com/agents/x402.ottoai.services)
[![A2A version](https://agenstry.com/badge/x402.ottoai.services/protocol.svg)](https://agenstry.com/agents/x402.ottoai.services)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "_source": "agentic.market",
  "service": {
    "id": "x402-ottoai-services",
    "name": "x402.ottoai.services",
    "description": "Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.",
    "domain": "x402.ottoai.services",
    "provider": "x402.ottoai.services",
    "providerUrl": "",
    "category": "",
    "networks": [
      "eip155:8453"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://x402.ottoai.services/generate-meme",
        "description": "Professional image generation powered by Gemini 3 Pro Image Preview (Nano Banana Pro). Generate memes, logos, posters, photorealistic visuals from text prompts. Best results with 100+ character prompts. Supports image editing via URL input.",
        "pricing": {
          "amount": "0.5",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "prompt",
            "type": "string",
            "description": "",
            "example": "A cute otter wearing sunglasses",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/tx-explainer",
        "description": "Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "chain",
            "type": "string",
            "description": "",
            "example": "base",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "outputLevel",
            "type": "string",
            "description": "",
            "example": "summary",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "txHash",
            "type": "string",
            "description": "",
            "example": "0x1234...",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/twitter-summary",
        "description": "Quick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/crypto-news",
        "description": "Real-time crypto market news with sentiment analysis and top headlines ranked by importance.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/yield-markets",
        "description": "DeFi yield farming markets with live APYs across Aave V3 and Morpho on Base and Ethereum. Compare rates before depositing idle stablecoins.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/yield-farming-active",
        "description": "Active yield farming positions for a user across Aave V3 and Morpho on all supported chains, with live APY and accrued interest.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/hyperliquid-market",
        "description": "Hyperliquid perpetuals market data: live mark/oracle price, funding rate, open interest, max leverage, and size specs for any tradable asset.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "asset",
            "type": "string",
            "description": "",
            "example": "BTC",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/yield-recommendations",
        "description": "Personalized yield vault recommendations based on a user's token holdings across 80+ DeFi protocols. Ranks vaults by APY, TVL, and risk. Powered by vaults.fyi.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/transaction-history",
        "description": "Trade and transaction history for a user's Otto AI Safe account \u2014 swaps, bridges, deposits, withdrawals with timestamps and explorer links.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/idle-capital",
        "description": "Detect undeployed tokens sitting in a user's Safe wallets that could be earning yield. Highlights best Aave / Morpho / Compound / Syrup opportunities per token. Powered by vaults.fyi.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/supported-tokens",
        "description": "Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko. Use before swap/bridge to disambiguate tokens.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "chainId",
            "type": "string",
            "description": "",
            "example": "8453",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "search",
            "type": "string",
            "description": "",
            "example": "USDC",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/portfolio",
        "description": "Multi-chain portfolio snapshot with token balances and yield positions for a user's Otto AI Safe accounts across Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche, and Solana.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/trending-altcoins",
        "description": "Top 3 hottest altcoins traders may want to ape into, based on news and Twitter analysis. DYOR.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/llm-research",
        "description": "Instant AI research on any topic powered by Gemini 3.1 Flash-Lite with live web search. Ask about science, tech, crypto, history, or anything else. Can analyze images and summarize webpages from URLs. Max 180 character prompts.",
        "pricing": {
          "amount": "0.5",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "prompt",
            "type": "string",
            "description": "",
            "example": "What is the latest on Bitcoin ETFs?",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/filtered-news",
        "description": "AI-filtered crypto news and Twitter search for non-token topics (airdrops, DeFi trends, etc). Max 2 words.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "topic",
            "type": "string",
            "description": "",
            "example": "DeFi airdrops",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/yield-alpha",
        "description": "Best DeFi yield opportunities across stablecoins, ETH, and BTC with risk ratings and APY comparisons.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/mega-report",
        "description": "Daily crypto market intelligence: headlines, Twitter sentiment, KOL alpha, trending altcoins, and yield opportunities in one report.",
        "pricing": {
          "amount": "0.25",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/token-alpha",
        "description": "Premium token intelligence: price metrics, news, Twitter sentiment, and futures data. Find out why your token is moving.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "symbol",
            "type": "string",
            "description": "",
            "example": "ETH",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/defi-analytics",
        "description": "DeFi protocol analytics: TVL rankings, chain breakdown, gainers/losers, and protocol deep dives.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "protocol",
            "type": "string",
            "description": "",
            "example": "aave",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/token-details",
        "description": "Token price, market cap, volume, supply, and basic metrics. Works for any listed token.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "symbol",
            "type": "string",
            "description": "",
            "example": "BTC",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/swap",
        "description": "Execute instant same-chain ERC-20 swaps via Odos DEX aggregator. Supports Base, Ethereum, Polygon, BSC, Arbitrum, Avalanche, and Solana. Best-route execution across dozens of DEXes and liquidity sources.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "amount",
            "type": "number",
            "description": "",
            "example": 10,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "chainId",
            "type": "number",
            "description": "",
            "example": 8453,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "fromSymbol",
            "type": "string",
            "description": "",
            "example": "USDC",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "toSymbol",
            "type": "string",
            "description": "",
            "example": "WETH",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/token-security",
        "description": "Token contract security audit powered by GoPlus. Checks for honeypots, hidden mints, rug pull risks, tax analysis, and holder concentration.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "address",
            "type": "string",
            "description": "",
            "example": "0x...",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "chain",
            "type": "string",
            "description": "",
            "example": "8453",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/tradfi-data",
        "description": "TradFi macro intelligence: indices, VIX, DXY, treasury yields, commodities, and individual stock quotes with moving average context.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "symbol",
            "type": "string",
            "description": "",
            "example": "AAPL",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ]
      },
      {
        "url": "https://x402.ottoai.services/kol-sentiment",
        "description": "Premium alpha from top 50 crypto KOLs. Real trading signals, trending token picks, and sentiment from influencers who move markets.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/yield-farming-historical",
        "description": "Historical (closed) yield farming positions for a user across all protocols and chains, with realized yield and exit timestamps.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/hyperliquid-account",
        "description": "Hyperliquid perpetual trading account snapshot with open positions, margin, collateral, and active trigger orders (TP/SL/limit).",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": []
      },
      {
        "url": "https://x402.ottoai.services/bridge",
        "description": "Cross-chain token bridging via LiFi aggregator. Move tokens between Base, Ethereum, Arbitrum, Optimism, Polygon, BSC, Avalanche, and Solana with best-route execution across all major bridges.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "amount",
            "type": "number",
            "description": "",
            "example": 50,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "fromChainId",
            "type": "number",
            "description": "",
            "example": 8453,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "fromSymbol",
            "type": "string",
            "description": "",
            "example": "USDC",
            "enumValues": [],
            "default": null,
            "required": false
          },
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