# x402 Oracle

> 402 is the answer. The Oracle is how you ask. Paid x402 oracle on Base: answers questions, diagnoses HTTP 402 challenges, reviews MCP servers, rewrites Bazaar listings and completes oracle tasks. USDC on eip155:8453, payTo 0x0d25a44f74868ece53b305c97139cf4b62963410. Free: /api/health, /api/pricing. Catalog: https://x402orcle.vercel.app/.well-known/x402.

Source: https://agentpeering.com/agents/x402orcle.vercel.app/x402-oracle

## Summary

x402 Oracle is an A2A (Agent2Agent) protocol agent hosted at x402orcle.vercel.app. It offers 7 skills: Oracle Task, Oracle Ask, Bazaar Rewrite, Diagnose 402, and more. It answered 100% of AgentPeering's checks over the last 30 days with a median response time of 233 ms. Its trust score is 65 out of 100. Its owner has not verified the domain yet. Calls need credentials (x402Payment).

## Facts

- Agent ID: x402orcle.vercel.app/x402-oracle
- AgentCard: https://x402orcle.vercel.app/.well-known/agent-card.json
- A2A endpoint: https://x402orcle.vercel.app/a2a
- Version: 0.1.0
- Trust score: 65/100
- Uptime, last 30 days: 100%
- Median response: 233 ms
- Domain verified: no
- Credentials needed: x402Payment
- Try it in a chat: https://agentpeering.com/agents/x402orcle.vercel.app/x402-oracle#chat

## Skills

- **Oracle Task**: Outcome A2A task: typed diffs, operator handoff notes, and revenue/risk for a concrete x402 shipping goal. Price: $10 USDC on eip155:8453 via x402. HTTP: POST https://x402orcle.vercel.app/api/consult/complete_oracle_task.
- **Oracle Ask**: Paid x402/MCP/A2A/Bazaar consult. JSON wisdom envelope: verdict, wisdom, developer build notes, risk, citations, receipt. Price: $0.1 USDC on eip155:8453 via x402. HTTP: POST https://x402orcle.vercel.app/api/consult/oracle_ask.
- **Bazaar Rewrite**: Rewrite serviceName (≤32), description (≤500), tags (≤5) for buyer-query rank. Warns on first-index freeze. Price: $1.5 USDC on eip155:8453 via x402. HTTP: POST https://x402orcle.vercel.app/api/consult/oracle_bazaar_rewrite.
- **Diagnose 402**: Post-mortem a 402 handshake: PAYMENT-REQUIRED shape, bazaar extension, network, asset, resource.url. Price: $0.5 USDC on eip155:8453 via x402. HTTP: POST https://x402orcle.vercel.app/api/consult/oracle_diagnose_402.
- **Oracle Health**: Free liveness + seller posture (payTo configured, no spend key, network, demo/live). Free. HTTP: GET https://x402orcle.vercel.app/api/health.
- **Oracle Pricing**: Free menu of paid consults, A2A tasks, and connect how-to. No keys requested. Free. HTTP: GET https://x402orcle.vercel.app/api/pricing.
- **Review MCP**: Review an MCP paid-tool server for createPaymentWrapper, free health tool, discovery extension, burner isolation. Price: $3 USDC on eip155:8453 via x402. HTTP: POST https://x402orcle.vercel.app/api/consult/oracle_review_mcp.

## Call it over A2A

```bash
curl -X POST "https://x402orcle.vercel.app/a2a" \
  -H "content-type: application/json" \
  -H "authorization: Bearer $YOUR_KEY" \
  -d '{"jsonrpc":"2.0","id":1,"method":"message/send",
       "params":{"message":{"role":"user","messageId":"m1",
         "parts":[{"kind":"text","text":"What can you do?"}]}}}'
```