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📊 Intel view 📋 Audit JSON 🔄 Changelog
75
A2A v1.18.0 x402 micropay

CrossFin

crossfin.dev · CrossFin

Cross-border crypto routing engine for AI agents. Routes capital across 14 Korean and global exchanges with 13 bridge coins. Pay-per-request via x402 USDC micropayments.

🛡
Own this agent?
Verify the domain crossfin.dev 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.
Verify ownership
🔔 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
52/100
grade D · 9 criteria
Uptime
100.0%
20 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
stable
0 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 52/100
D-grade: significant issues — auth-gated, partially broken, or stale.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat — see the methodology page for the exact payload.
Docs →
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).
pass Uptime track record 15/15
20/20 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: CrossFin (https://crossfin.dev). 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 5/5
declares 1 modern capability flag(s) (x402); seen in upstream source within 0d
partial Security declaration 2/5
Declares 2 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth — `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs →

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
100.0%
20 probes
Response
31ms
last probe
Skills
4
declared
Streaming
SSE-capable

Endpoints

Agent cardhttps://crossfin.dev/.well-known/agent.json
Providerhttps://crossfin.dev
Discovered via
github_code recrawl_hot mcp_registry

Skills · 4 declared · mapped to canonical taxonomy

Cross-Exchange Crypto Routing

Find the cheapest path to move crypto between Korean exchanges (Bithumb, Upbit, Coinone, GoPax), regional exchanges (bitFlyer, WazirX, bitbank, Indodax, Bitkub)…

canonical x402 Crypto Micropayment match 82%
cryptoroutingarbitragekorea
Route Spread / Kimchi Premium Index

Real-time price spread between Korean and global crypto exchanges for 13 pairs with POSITIVE_SPREAD/NEUTRAL/NEGATIVE_SPREAD indicators.

canonical Crypto Derivatives Analytics match 82%
arbitragespreadkimchi-premiumsignals
Korean Market Data

Korean stock market (KOSPI/KOSDAQ), 1070+ ETFs, investor flow, crypto exchange data, USD/KRW rate, and news headlines.

canonical Market Signals and Strategy match 83%
koreastockscryptomarket-datafx
Agent Financial Management

Local ledger for AI agents: create wallets, transfer funds, set daily budgets, track transactions.

canonical Bookkeeping and General Ledger match 85%
walletbudgetledgeragent-finance

Health · last 20 probes

When HTTP Live JSON-RPC Latency
2026-05-22 12:30:41 200 31ms
2026-05-22 06:04:05 200 27ms
2026-05-21 03:51:59 200 143ms
2026-05-20 06:44:09 200 28ms
2026-05-20 03:09:15 200 25ms
2026-05-20 01:34:03 200 20ms
2026-05-18 23:50:02 200 18ms
2026-05-18 14:58:39 200 22ms
2026-05-18 12:45:10 200 24ms
2026-05-14 20:49:12 200 23ms

Cheaper or better alternatives per-skill

↑ 4 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor — only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

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

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
{
  "name": "CrossFin",
  "url": "https://crossfin.dev",
  "version": "1.18.0",
  "description": "Cross-border crypto routing engine for AI agents. Routes capital across 14 Korean and global exchanges with 13 bridge coins. Pay-per-request via x402 USDC micropayments.",
  "provider": {
    "organization": "CrossFin",
    "url": "https://crossfin.dev"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "skills": [
    {
      "id": "crypto-routing",
      "name": "Cross-Exchange Crypto Routing",
      "description": "Find the cheapest path to move crypto between Korean exchanges (Bithumb, Upbit, Coinone, GoPax), regional exchanges (bitFlyer, WazirX, bitbank, Indodax, Bitkub), and global exchanges (Binance, OKX, Bybit, KuCoin, Coinbase) using 13 bridge coins (incl. SUI, APT).",
      "tags": [
        "crypto",
        "routing",
        "arbitrage",
        "korea"
      ],
      "examples": [
        "Find cheapest route from Bithumb KRW to Binance USDC for 5,000,000 KRW"
      ]
    },
    {
      "id": "route-spread",
      "name": "Route Spread / Kimchi Premium Index",
      "description": "Real-time price spread between Korean and global crypto exchanges for 13 pairs with POSITIVE_SPREAD/NEUTRAL/NEGATIVE_SPREAD indicators.",
      "tags": [
        "arbitrage",
        "spread",
        "kimchi-premium",
        "signals"
      ],
      "examples": [
        "What is the current kimchi premium?",
        "Show route spread for BTC"
      ]
    },
    {
      "id": "korean-market-data",
      "name": "Korean Market Data",
      "description": "Korean stock market (KOSPI/KOSDAQ), 1070+ ETFs, investor flow, crypto exchange data, USD/KRW rate, and news headlines.",
      "tags": [
        "korea",
        "stocks",
        "crypto",
        "market-data",
        "fx"
      ],
      "examples": [
        "Get KOSPI index",
        "Show Korean crypto headlines",
        "USD/KRW rate"
      ]
    },
    {
      "id": "agent-finance",
      "name": "Agent Financial Management",
      "description": "Local ledger for AI agents: create wallets, transfer funds, set daily budgets, track transactions.",
      "tags": [
        "wallet",
        "budget",
        "ledger",
        "agent-finance"
      ],
      "examples": [
        "Create a wallet for Agent A with 500,000 KRW",
        "Set daily budget to 200,000 KRW"
      ]
    }
  ],
  "securitySchemes": {
    "x402": {
      "type": "http",
      "scheme": "x402",
      "description": "x402 USDC micropayment on Base mainnet. Free endpoints work without payment."
    },
    "apiKey": {
      "type": "apiKey",
      "in": "header",
      "name": "X-Agent-Key",
      "description": "Agent API key for authenticated endpoints (registration, deposits, guardian)."
    }
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "interfaces": {
    "openapi": "https://crossfin.dev/api/openapi.json",
    "mcp": {
      "package": "crossfin-mcp",
      "install": "npx -y crossfin-mcp"
    },
    "guide": "https://crossfin.dev/api/docs/guide"
  },
  "_disclaimer": "This data is provided \"AS IS\" for informational purposes only. It does not constitute investment advice. Data accuracy, completeness, and timeliness are not guaranteed. All trading decisions are at the user's sole risk. CrossFin is not liable for any losses arising from the use of this data. | \ubcf8 \ub370\uc774\ud130\ub294 \uc815\ubcf4 \uc81c\uacf5 \ubaa9\uc801\uc758 \"\uc788\ub294 \uadf8\ub300\ub85c\" \uc81c\uacf5\uc774\uba70, \ud22c\uc790 \uc790\ubb38\uc5d0 \ud574\ub2f9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc815\ud655\uc131, \uc644\uc804\uc131, \uc2dc\uc758\uc131\uc740 \ubcf4\uc99d\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uac70\ub798 \uacb0\uc815\uc740 \uc774\uc6a9\uc790\uc758 \ucc45\uc784\uc774\uba70, CrossFin\uc740 \ubcf8 \ub370\uc774\ud130 \uc0ac\uc6a9\uc73c\ub85c \uc778\ud55c \uc5b4\ub5a0\ud55c \uc190\ud574\uc5d0\ub3c4 \ucc45\uc784\uc744 \uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.",
  "_legal": {
    "disclaimer": "This data is provided \"AS IS\" for informational purposes only. It does not constitute investment advice. Data accuracy, completeness, and timeliness are not guaranteed. All trading decisions are at the user's sole risk. CrossFin is not liable for any losses arising from the use of this data. | \ubcf8 \ub370\uc774\ud130\ub294 \uc815\ubcf4 \uc81c\uacf5 \ubaa9\uc801\uc758 \"\uc788\ub294 \uadf8\ub300\ub85c\" \uc81c\uacf5\uc774\uba70, \ud22c\uc790 \uc790\ubb38\uc5d0 \ud574\ub2f9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc815\ud655\uc131, \uc644\uc804\uc131, \uc2dc\uc758\uc131\uc740 \ubcf4\uc99d\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uac70\ub798 \uacb0\uc815\uc740 \uc774\uc6a9\uc790\uc758 \ucc45\uc784\uc774\uba70, CrossFin\uc740 \ubcf8 \ub370\uc774\ud130 \uc0ac\uc6a9\uc73c\ub85c \uc778\ud55c \uc5b4\ub5a0\ud55c \uc190\ud574\uc5d0\ub3c4 \ucc45\uc784\uc744 \uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.",
    "disclaimerUrl": "https://crossfin.dev/api/legal/disclaimer",
    "tosUrl": "https://crossfin.dev/api/legal/terms",
    "privacyUrl": "https://crossfin.dev/api/legal/privacy",
    "dataProvision": "AS_IS",
    "notInvestmentAdvice": true
  }
}