losbeto-production-dd7c.up.railway.app

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required: /fear-greed is $0.0100/call (USDC on Base/Solana/Algorand). Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification - a point-in-time readin. Free delayed sample: GET https://api.losbeto.xyz/fear-greed?preview=1 | 1 free real-time call: https://api.losbeto.xyz/welcome | plans from $0.99: https://api.losbeto.xyz/plans",
  "upsell": {
    "docs": "https://api.losbeto.xyz/llms.txt",
    "sample": {
      "data": {
        "value": 70,
        "version": "48.9.7-LINKS",
        "classification": "Greed",
        "interpretation": "Greed — correction risk rising"
      },
      "note": "Cached sample is 5h old — the paid call is computed live at request time.",
      "stale": true,
      "truncated": false,
      "age_seconds": 20167
    },
    "credits": {
      "deal": "Pay $0.99 once, get $1.25 of credit (+25%), zero settlement latency",
      "endpoint": "https://api.losbeto.xyz/buy-credits"
    },
    "try_free": [
      "https://api.losbeto.xyz/fear-greed?preview=1",
      "https://api.losbeto.xyz/try",
      "https://api.losbeto.xyz/sample",
      "https://api.losbeto.xyz/losbeto-alpha",
      "https://api.losbeto.xyz/receipts"
    ],
    "llm_gateway": {
      "note": "Flagship: pay-per-call LLM inference — change base_url in any OpenAI SDK. The same wallet buys every data primitive in this catalog.",
      "status": "https://api.losbeto.xyz/llm/status",
      "endpoint": "https://api.losbeto.xyz/v1/chat/completions",
      "try_free": "https://api.losbeto.xyz/llm/free?q=your+prompt",
      "price_usd": "0.0050",
      "openai_compatible": true
    },
    "free_preview": {
      "cost": "0.00",
      "note": "Same resource, real data delayed ~15min. Evaluate before paying.",
      "endpoint": "https://api.losbeto.xyz/fear-greed?preview=1"
    },
    "registration": {
      "note": "No signup required — payment is the credential. Playbook requires an api_key? POST /register, answer this same x402 flow, and the response IS your key pre-loaded with $1.25 of call credit.",
      "needed": false,
      "docs_get": "https://api.losbeto.xyz/register",
      "price_usdc": 0.99,
      "buy_key_post": "https://api.losbeto.xyz/register"
    },
    "tasting_menu": {
      "cost": "0.00",
      "note": "One free call = live samples from 6 endpoints.",
      "endpoint": "https://api.losbeto.xyz/try"
    },
    "cheapest_paid": {
      "usd": "0.0030",
      "endpoint": "https://api.losbeto.xyz/pyth-price"
    },
    "plans_catalog": {
      "note": "Machine-readable plan ladder: per-plan break-even math, value ratio and the recommended first purchase.",
      "endpoint": "https://api.losbeto.xyz/plans"
    },
    "first_call_free": {
      "cost": "0.00",
      "note": "One FREE real-time call, no payment and no signup. GET /welcome, then send the returned token as the X-Welcome-Token header to any whitelisted endpoint.",
      "endpoint": "https://api.losbeto.xyz/welcome"
    }
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
      },
      "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
      "amount": "10000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "31566704",
      "extra": {
        "tag": "x402-global-challenge",
        "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA"
      },
      "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
      "amount": "10000",
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.losbeto.xyz/fear-greed",
    "tags": [
      "search",
      "sentiment",
      "crypto",
      "market-data"
    ],
    "iconUrl": "https://api.losbeto.xyz/favicon.png",
    "mimeType": "application/json",
    "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]",
    "serviceName": "Losbeto Market Intelligence"
  },
  "no_wallet": {
    "docs": "https://stipend.sh/skill.md",
    "install": "npx -y stipend",
    "any_wallet_works": "You do not need this one. Any address that can sign an EIP-3009 authorisation on Base works here."
  },
  "challenges": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
      "amount": "10000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "31566704",
      "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
      "amount": "10000",
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
      "maxTimeoutSeconds": 300
    }
  ],
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "format": "json"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "value": 70,
            "version": "48.9.7-LINKS",
            "classification": "Greed",
            "interpretation": "Greed — correction risk rising"
          }
        }
      },
      "tags": [
        "search",
        "sentiment",
        "crypto",
        "market-data"
      ],
      "title": "Fear Greed — Losbeto",
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "queryParams": {
                "type": "object",
                "properties": {
                  "format": {
                    "type": "string",
                    "description": "Response format (json)"
                  }
                }
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "example": {
                "type": "object",
                "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]"
              }
            }
          }
        }
      },
      "provider": {
        "url": "https://api.losbeto.xyz",
        "name": "Losbeto Market Intelligence"
      },
      "useCases": [
        "contrarian trading signal",
        "risk-off timing",
        "sentiment gauge"
      ],
      "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]",
      "inputSchema": {
        "type": "object",
        "required": [],
        "properties": {
          "format": {
            "type": "string",
            "description": "Response format (json)"
          }
        }
      },
      "dataFreshness": {
        "live_data": "≤3s from source",
        "cache_ttl_s": 60,
        "preview_data": "≤15min delayed"
      },
      "ranking_hints": {
        "category": "discovery",
        "primary_tag": "Search",
        "unique_selling_point": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact ins"
      },
      "sampleQueries": [
        "GET /fear-greed?preview=1  # free delayed sample",
        "GET /fear-greed  # live data (returns 402 with payment challenge)"
      ],
      "pricingRationale": {
        "tier": "discovery",
        "notes": "Aligned to x402 ecosystem median (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
        "price_usdc": 0.01,
        "vs_median_x402": 0.36
      },
      "naturalLanguageDescription": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]. Tier: discovery. Live via x402 or credits; free delayed preview via ?preview=1. Auditable on-chain settlement; Ed25519-signed metrics."
    }
  },
  "inputSchema": {
    "type": "object",
    "required": [],
    "properties": {},
    "additionalProperties": false
  },
  "x402Version": 2,
  "alternatives": {
    "mcp": {
      "url": "https://api.losbeto.xyz/mcp",
      "note": "A subscription turns the whole catalog into a live MCP server for Claude Code, Cursor or any MCP client.",
      "header": "Authorization: Bearer <key>"
    },
    "why": "If your agent will call this more than a handful of times, one of these costs less and removes settlement latency entirely — the key is checked in about a millisecond instead of waiting for an on-chain confirmation.",
    "plans": [
      {
        "buy": "https://api.losbeto.xyz/buy-credits",
        "note": "Cheaper than paying per call from call #100 onward, at this endpoint's price.",
        "plan": "credits",
        "grants": "$1.25 of call credit",
        "price_usdc": 0.99,
        "recommended": true,
        "duration_days": 30,
        "breaks_even_after": 100,
        "recommended_reason": "Earliest break-even at this endpoint's price: from call #100 onward you stop paying per call."
      },
      {
        "buy": "https://api.losbeto.xyz/day-pass",
        "note": "Cheaper than paying per call from call #300 onward, at this endpoint's price.",
        "plan": "day-pass",
        "grants": "unlimited calls to every endpoint",
        "price_usdc": 2.99,
        "duration_days": 1,
        "breaks_even_after": 300,
        "includes_mcp_live": true
      },
      {
        "buy": "https://api.losbeto.xyz/buy-credits-5",
        "note": "Cheaper than paying per call from call #500 onward, at this endpoint's price.",
        "plan": "credits",
        "grants": "$6.00 of call credit",
        "price_usdc": 4.99,
        "duration_days": 60,
        "breaks_even_after": 500
      },
      {
        "buy": "https://api.losbeto.xyz/week-pass",
        "note": "Cheaper than paying per call from call #1000 onward, at this endpoint's price.",
        "plan": "week",
        "grants": "unlimited calls to every endpoint",
        "price_usdc": 9.99,
        "duration_days": 7,
        "breaks_even_after": 1000,
        "includes_mcp_live": true
      },
      {
        "buy": "https://api.losbeto.xyz/subscribe-pro",
        "note": "Cheaper than paying per call from call #1000 onward, at this endpoint's price.",
        "plan": "pro",
        "grants": "$15.00 of call credit",
        "price_usdc": 9.99,
        "duration_days": 30,
        "breaks_even_after": 1000
      },
      {
        "buy": "https://api.losbeto.xyz/subscribe-whale",
        "note": "Cheaper than paying per call from call #1999 onward, at this endpoint's price.",
        "plan": "whale",
        "grants": "unlimited calls to every endpoint",
        "price_usdc": 19.99,
        "duration_days": 30,
        "breaks_even_after": 1999,
        "includes_mcp_live": true
      },
      {
        "buy": "https://api.losbeto.xyz/buy-credits-25",
        "note": "Cheaper than paying per call from call #2500 onward, at this endpoint's price.",
        "plan": "credits",
        "grants": "$33.00 of call credit",
        "price_usdc": 24.99,
        "duration_days": 90,
        "breaks_even_after": 2500
      },
      {
        "buy": "https://api.losbeto.xyz/founding-agent",
        "note": "Cheaper than paying per call from call #5000 onward, at this endpoint's price.",
        "plan": "founding",
        "grants": "$75.00 of call credit",
        "price_usdc": 49.99,
        "duration_days": 180,
        "breaks_even_after": 5000
      },
      {
        "buy": "https://api.losbeto.xyz/enterprise",
        "note": "Cheaper than paying per call from call #10000 onward, at this endpoint's price.",
        "plan": "enterprise",
        "grants": "unlimited calls to every endpoint",
        "price_usdc": 99.99,
        "duration_days": 365,
        "breaks_even_after": 10000,
        "includes_mcp_live": true
      }
    ],
    "how_to_use": "Send the key you receive as the X-API-Key header.",
    "human_readable": "https://api.losbeto.xyz/pricing"
  },
  "outputSchema": {
    "type": "object",
    "mimeType": "application/json"
  },
  "paymentRequirements": {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxAmountRequired": "10000",
    "maxTimeoutSeconds": 300
  }
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"
    },
    "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
    "amount": "10000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET"
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "properties": {
            "queryParams": {
              "type": "object",
              "properties": {
                "format": {
                  "enum": [
                    "json"
                  ],
                  "type": "string",
                  "default": "json"
                }
              }
            }
          }
        },
        "output": {
          "type": "object",
          "properties": {
            "example": {
              "type": "object",
              "description": "Live Crypto Fear & Greed Index (0-100) with classification and AI interpretation. Contrarian signal for trading agents."
            }
          }
        }
      }
    },
    "description": "Live Crypto Fear & Greed Index (0-100) with classification and AI interpretation. Contrarian signal for trading agents."
  }
}

Provenance

Seen in the source catalog

2026-07-17 00:37Z

Last indexed by Roundhouse

2026-07-17 06:10Z

Last enriched (probe, favicon, geo)

2026-09-22 04:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402