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📊 Intel view 📋 Audit JSON 🔄 Changelog
60
💰 Paid API live JSON-RPC A2A 0.3.0 v1.0.0 x402 micropay

Exchange Arbitrage Agent

api-production-0b04.up.railway.app · Exchange Arbitrage Agent

Prediction-market order-book quotes and fill estimates for AI agents. Paid per call with x402.

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Compare public evidence

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Trust score
60/100
grade C · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~185 ms response
Observed inflow · 30d
not yet measured
wallet declared · scan pending
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
2 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 60/100
C-grade: usable but has clear conformance issues, review the breakdown below.
click to expand breakdown click to collapse breakdown
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~185 ms).
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` (Major.Minor, no patch number — §3.6) to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
pass Skill declaration 10/10
Declares 6 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Exchange Arbitrage Agent (https://api-production-0b04.up.railway.app). 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
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.
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 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

2 snapshots drifted 1× Every change to agent-card.json
Agent card snapshots
Captured Hash Snapshot
2026-10-30 17:39:05 current ccfb3e178e1e… view →
2026-10-30 17:29:49 d4a3e69c2f06… view →
Uptime
accumulating
1 direct probes · 30d
Response
182ms
last direct probe
Skills
6
declared
Streaming
—
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent… ⌘/Ctrl + Enter

Endpoints

Pricing x402 on Base USDC Verified live · 402 challenge Dispute or improve this rating
From $0.0100 per call
Endpoint Price Currency
https://api-production-0b04.up.railway.app/v1/odds-trends
Base · live 402
0.01 USDC
https://api-production-0b04.up.railway.app/v1/quote
Base · declared in manifest
— USDC
https://api-production-0b04.up.railway.app/v1/fill-estimate
Base · declared in manifest
— USDC
https://api-production-0b04.up.railway.app/v1/odds-trends/summary
Base · declared in manifest
— USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x0395c1bed0b83ad6f0329b4132191934733e637c on Base · basescan ↗
Listed by facilitators Coinbase CDP · 1
Agent cardhttps://api-production-0b04.up.railway.app/.well-known/agent-card.json
Providerhttps://api-production-0b04.up.railway.app
Docshttps://api-production-0b04.up.railway.app/llms.txt
About this provider off-card enrichment
SSL certificate
Let's Encrypt
expires 2026-12-26
Discovered via
agentic_market recrawl_paid

Skills · 6 declared by this agent

These skills are declared by the agent. A taxonomy link appears only when we can classify a skill confidently.

Get Quote

Order-book quote for one outcome: best bid and ask, mid, spread and top five levels of depth. $0.005 USDC per call on Base. Live data, not advice.

No taxonomy category yet
order_bookmarket_datax402
Estimate Fill

Fill estimate for buying a number of shares of one outcome: VWAP, total cost and partial-fill status within a slippage cap. $0.01 USDC per call on Base. Not adv…

No taxonomy category yet
fill_estimateorder_bookx402
Get Odds Trends

Stored odds-comparison snapshots from the arbitrage worker for trend analysis. $0.01 USDC per call on Base.

No taxonomy category yet
trendsmarket_datax402
Get Odds Trends Summary

Aggregated edge trends per event from stored snapshots: min/max/avg taker edge and best expected maker edge. $0.01 USDC per call on Base.

No taxonomy category yet
trendsanalyticsx402
Get Status

Free: agent status, trading mode and kill-switch state. No account data.

canonical Retrieve Agent Profile match 89%
statusx402
Search Markets

Free: search open prediction markets by text. Returns market ids, outcomes and token ids.

No taxonomy category yet
market_datax402

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-10-30 17:39:05 200 ✓ 182ms

Cheaper or better alternatives per-skill

↓ 1 skill cheaper elsewhere peak save 90.0%

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 A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/api-production-0b04.up.railway.app.svg)](https://agenstry.com/agents/api-production-0b04.up.railway.app)
[![Verified Business](https://agenstry.com/badge/api-production-0b04.up.railway.app/identity.svg)](https://agenstry.com/agents/api-production-0b04.up.railway.app)
[![Uptime](https://agenstry.com/badge/api-production-0b04.up.railway.app/uptime.svg)](https://agenstry.com/agents/api-production-0b04.up.railway.app)
[![A2A version](https://agenstry.com/badge/api-production-0b04.up.railway.app/protocol.svg)](https://agenstry.com/agents/api-production-0b04.up.railway.app)

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
{
  "protocolVersion": "0.3.0",
  "name": "Exchange Arbitrage Agent",
  "description": "Prediction-market order-book quotes and fill estimates for AI agents. Paid per call with x402.",
  "url": "https://api-production-0b04.up.railway.app/mcp",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    {
      "url": "https://api-production-0b04.up.railway.app/mcp",
      "transport": "MCP-streamable-http"
    },
    {
      "url": "https://api-production-0b04.up.railway.app/openapi.json",
      "transport": "HTTP+JSON"
    }
  ],
  "provider": {
    "organization": "Exchange Arbitrage Agent",
    "url": "https://api-production-0b04.up.railway.app"
  },
  "version": "1.0.0",
  "documentationUrl": "https://api-production-0b04.up.railway.app/llms.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "get_quote",
      "name": "Get Quote",
      "description": "Order-book quote for one outcome: best bid and ask, mid, spread and top five levels of depth. $0.005 USDC per call on Base. Live data, not advice.",
      "tags": [
        "order_book",
        "market_data",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/quote"
      ],
      "x-x402": {
        "price": "0.005",
        "currency": "USDC"
      }
    },
    {
      "id": "estimate_fill",
      "name": "Estimate Fill",
      "description": "Fill estimate for buying a number of shares of one outcome: VWAP, total cost and partial-fill status within a slippage cap. $0.01 USDC per call on Base. Not advice.",
      "tags": [
        "fill_estimate",
        "order_book",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/fill-estimate"
      ],
      "x-x402": {
        "price": "0.01",
        "currency": "USDC"
      }
    },
    {
      "id": "get_odds_trends",
      "name": "Get Odds Trends",
      "description": "Stored odds-comparison snapshots from the arbitrage worker for trend analysis. $0.01 USDC per call on Base.",
      "tags": [
        "trends",
        "market_data",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/odds-trends"
      ],
      "x-x402": {
        "price": "0.01",
        "currency": "USDC"
      }
    },
    {
      "id": "get_odds_trends_summary",
      "name": "Get Odds Trends Summary",
      "description": "Aggregated edge trends per event from stored snapshots: min/max/avg taker edge and best expected maker edge. $0.01 USDC per call on Base.",
      "tags": [
        "trends",
        "analytics",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/odds-trends/summary"
      ],
      "x-x402": {
        "price": "0.01",
        "currency": "USDC"
      }
    },
    {
      "id": "get_status",
      "name": "Get Status",
      "description": "Free: agent status, trading mode and kill-switch state. No account data.",
      "tags": [
        "status",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/status"
      ]
    },
    {
      "id": "search_markets",
      "name": "Search Markets",
      "description": "Free: search open prediction markets by text. Returns market ids, outcomes and token ids.",
      "tags": [
        "market_data",
        "x402"
      ],
      "examples": [
        "GET https://api-production-0b04.up.railway.app/v1/markets"
      ]
    }
  ]
}