Api Endpoint

AgentIndex x402

Live spot prices for crypto coins (BTC, ETH, SOL, ...) in USD or another fiat, with 24h change. Accepts tickers or CoinGecko ids. Try GET /crypto/sample.

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Offering

Provider: x402.agentindex.world
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Web Search Research
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://x402.agentindex.world/crypto
MIME type: application/json
First seen: 2026-10-16T03:09:13.682Z
Last seen: 2026-11-02T23:00:48.757Z
Tags: Crypto, Price, market data, MCP, X402

Website

Payment pricing

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

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d"
  }
]

Observed health

Status: Reachable
Latest latency: 311 ms
Average latency: 708 ms
HTTP status: 405
Last checked: 2026-11-01T13:16:31.261Z
Reachability: 100% over 13 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": {
        "coins": {
          "description": "Coin tickers (btc, eth, sol) and/or CoinGecko ids. String, comma-separated string, or array. Up to 20.",
          "oneOf": [
            {
              "type": "string"
            },
            {
              "type": "array",
              "items": {
                "type": "string"
              },
              "minItems": 1,
              "maxItems": 20
            }
          ]
        },
        "vs_currency": {
          "type": "string",
          "description": "Fiat quote currency, default usd (also eur, gbp, ...)."
        }
      },
      "required": [
        "coins"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "vs_currency": {
          "type": "string"
        },
        "prices": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "id": {
                "type": "string"
              },
              "symbol": {
                "type": "string"
              },
              "price": {
                "type": "number"
              },
              "change_24h_pct": {
                "type": "number"
              }
            }
          }
        },
        "x402_receipt": {
          "type": "object"
        }
      },
      "required": [
        "vs_currency",
        "prices"
      ]
    }
  },
  "required": [
    "type"
  ]
}