Index onlineMerchant portal
Api Endpoint

X402 Signals

Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Emitted signals' forward-return record is public at n0brains.com/proof. Not financial advice.

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Offering

Provider
api.n0brains.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.n0brains.com/x402/signals
MIME type
application/json
First seen
2026-10-16T01:50:32.458Z
Last seen
Tags
Crypto, Signals, Trading, trading-signals, BTC, eth, altcoins, AI-agent, X402

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xc1793B8AA0D25193117EF025f145994e1c02011F"
  }
]

Observed health

Status
Healthy
Latest latency
149 ms
Average latency
1038 ms
HTTP status
402
Last checked
Reachability
100% over 15 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "asset": {
          "type": "string",
          "description": "e.g. BTC, ETH, SOL"
        },
        "signal_type": {
          "type": "string"
        },
        "direction": {
          "type": "string",
          "enum": [
            "long",
            "short"
          ]
        },
        "limit": {
          "type": "integer",
          "minimum": 1,
          "maximum": 200
        },
        "proven_only": {
          "type": "boolean"
        },
        "tradeable_only": {
          "type": "boolean"
        },
        "coinbase_only": {
          "type": "boolean",
          "description": "default true: only Coinbase-listed coins (USD/USDC). false = all."
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "paid": "x402",
    "count": 1,
    "signals": [
      {
        "id": 1,
        "asset": "BTC",
        "score": 2.1,
        "summary": "…",
        "urgency": "high",
        "direction": "long",
        "timestamp": 1781465543,
        "confidence": 0.8,
        "conviction": "notable",
        "signal_type": "listing"
      }
    ]
  }
}