EconSignalPulse

Live 402 challenge

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

{
  "error": "X-PAYMENT header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://econsignalpulse.theaslangroupllc.com/api/econsignal/nightlights",
      "description": "VIIRS satellite nighttime-lights analysis versus official GDP — detects divergence between reported activity and satellite evidence across 100+ countries. For hedge-fund and intelligence agents.",
      "maxAmountRequired": "150000",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

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": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
    "amount": "150000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
    },
    "payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
    "amount": "150000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "iso2": "ISO2 country code for World Bank data — e.g. CN | RU | NG | VE | PK",
          "lang": "en | es | fr | de | ja | zh | ko | pt | ar | hi (default: en)",
          "period": "1y | 3y | 5y | 10y (default: 5y)",
          "country": "Country name or ISO2 — e.g. \"China\" | \"Russia\" | \"Nigeria\" | \"Venezuela\" | \"Pakistan\""
        }
      },
      "output": {
        "type": "json",
        "example": {
          "official_gdp": {
            "source": "National Bureau of Statistics China",
            "reported_growth_2022_pct": 3,
            "reported_growth_2023_pct": 5.2
          },
          "query_summary": {
            "iso2": "CN",
            "country": "China",
            "signal_basis": "VIIRS NOAA-20 nighttime lights composite"
          },
          "satellite_signal": {
            "low_activity_regions": [
              "Northeast rust belt — Liaoning, Jilin, Heilongjiang showing flat/declining signal"
            ],
            "high_activity_regions": [
              "Yangtze River Delta",
              "Pearl River Delta",
              "Chengdu-Chongqing"
            ],
            "nightlights_growth_trend": "Consistent with 2-3% real growth in manufacturing belt; lower than official 5.2% in 2023",
            "electricity_vs_gdp_divergence": "Electricity +6.9% while GDP +5.2% — electricity typically tracks GDP closely; gap suggests mix shift toward services (lower power intensity)",
            "electricity_consumption_growth_pct": 6.9
          },
          "divergence_analysis": {
            "verdict": "Moderate divergence — GDP plausibly in 3.5-5.5% range; official figure within bounds but upper end appears optimistic",
            "confidence": "Medium",
            "methodology_note": "Nightlights correlate strongly with industrial/manufacturing GDP; services sector (growing share of Chinese economy) has lower light signature",
            "historical_context": "China nightlights diverged significantly from official GDP in 2015-2016 (provincial GDP sums exceeded national total by 10%)"
          },
          "investment_implications": "CNY positioning and EM equity exposure should discount to 4-4.5% real growth range rather than headline 5.2%. Manufacturing-facing sectors most at risk of disappointment."
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_gxy6qn5p"
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "a": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "App builder code"
        },
        "s": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[a-z0-9_]{1,32}$"
          },
          "description": "Service builder codes"
        },
        "w": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "Wallet builder code"
        }
      },
      "additionalProperties": false
    }
  }
}

Provenance

Seen in the source catalog

2026-07-01 04:26Z

Last indexed by Roundhouse

2026-07-30 16:00Z

Last enriched (probe, favicon, geo)

2026-09-11 10:16Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402