Index onlineMerchant portal
Api Endpoint

Crypto Perp Funding & Sentiment

Crypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.

Open interactive test console

Offering

Provider
perpsignals.use.x402atlas.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://perpsignals.use.x402atlas.com/fear-greed
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
fear-and-greed, crypto-sentiment, market-sentiment, fear-greed-index, sentiment, Crypto, Index

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
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.005 USDC
Atomic price: 5000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "5000",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "5000",
    "payTo": "0x82096bF08d81c14C678E915A04Fcf150958eE571"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "payTo": "3nXsChcZGke6xebDPmndNMCt8L3yi6xyN4Pd6q5cQrgv"
  }
]

Observed health

Status
Healthy
Latest latency
13 ms
Average latency
213 ms
HTTP status
402
Last checked
Reachability
100% over 10 checks

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

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "queryParams": {
      "properties": {},
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "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"
}