Crypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extr

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "category": "finance",
    "info": {
      "input": {
        "method": "GET",
        "type": "http"
      },
      "output": {
        "example": {
          "as_of": "2026-07-01T00:00:00Z",
          "label": "Extreme Fear",
          "queried_at": "2026-07-01T12:00:00Z",
          "value": 19
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "as_of": {
                  "description": "RFC3339 timestamp of the reading itself; omitted if the upstream timestamp is missing or unparseable.",
                  "format": "date-time",
                  "type": "string"
                },
                "label": {
                  "description": "Human-readable classification of the value (e.g. Extreme Fear, Extreme Greed).",
                  "type": "string"
                },
                "queried_at": {
                  "description": "UTC timestamp when this bridge queried the upstream.",
                  "format": "date-time",
                  "type": "string"
                },
                "value": {
                  "description": "Fear & Greed index reading; low is fear, high is greed.",
                  "maximum": 100,
                  "minimum": 0,
                  "type": "integer"
                }
              },
              "required": [
                "queried_at",
                "value",
                "label"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    },
    "tags": [
      "fear-and-greed",
      "crypto-sentiment",
      "market-sentiment",
      "fear-greed-index",
      "sentiment",
      "crypto",
      "index"
    ]
  }
}

curl "https://perpsignals.use.x402atlas.com/fear-greed"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://perpsignals.use.x402atlas.com/fear-greed");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://perpsignals.use.x402atlas.com/fear-greed")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header