Paid call

The blob, as servednamed by its sha256

{
  "request": {
    "url": "https://blockrun.ai/api/v1/stocks/us/price/COIN",
    "method": "GET",
    "input": {}
  },
  "unpaid": {
    "status": 402,
    "body": "{\"error\":\"Payment Required\",\"message\":\"This endpoint requires x402 payment\",\"endpoint\":\"/v1/stocks/us/price/COIN\",\"price\":{\"amount\":\"0.0020\",\"currency\":\"USD\"},\"example\":\"GET /v1/stocks/us/price/AAPL\",\"paymentInfo\":{\"network\":\"base\",\"asset\":\"USDC\",\"x402Version\":2},\"x402\":{\"x402Version\":2,\"accepts\":[{\"scheme\":\"exact\",\"network\":\"eip155:8453\",\"amount\":\"2000\",\"asset\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"payTo\":\"0xe9030014F5DAe217d0A152f02A043567b16c1aBf\",\"maxTimeoutSeconds\":300,\"extra\":{\"name\":\"USD Coin\",\"version\":\"2\"}}],\"resource\":{\"url\":\"https://blockrun.ai/api/v1/stocks/us/price/COIN\",\"description\":\"US Stock realtime price for COIN\",\"mimeType\":\"application/json\"},\"extensions\":{\"bazaar\":{\"schema\":{\"type\":\"object\",\"properties\":{\"input\":{\"type\":\"object\",\"properties\":{\"path\":{\"type\":\"object\",\"required\":[\"symbol\"],\"properties\":{\"symbol\":{\"type\":\"string\",\"description\":\"NYSE/Nasdaq/AMEX ticker (AAPL, TSLA, NVDA, CRCL, SPY, …).\",\"example\":\"AAPL\"}}},\"query\":{\"type\":\"object\",\"properties\":{\"session\":{\"type\":\"string\",\"enum\":[\"pre\",\"post\",\"on\"],\"description\":\"Optional US market session. Omit for regular hours.\"}}}}},\"output\":{\"type\":\"object\",\"required\":[\"symbol\",\"price\",\"confidence\",\"publishTime\",\"source\"],\"properties\":{\"symbol\":{\"type\":\"string\",\"example\":\"AAPL\"},\"price\":{\"type\":\"number\",\"example\":273.1},\"confidence\":{\"type\":\"number\",\"example\":0.15},\"publishTime\":{\"type\":\"integer\",\"description\":\"Unix seconds\"},\"timestamp\":{\"type\":\"string\",\"description\":\"ISO-8601 UTC\"},\"assetType\":{\"type\":\"string\",\"enum\":[\"equity\",\"crypto\",\"fx\",\"metal\"]},\"feedId\":{\"type\":\"string\",\"description\":\"Pyth Hermes feed ID (0x-prefixed hex)\"},\"source\":{\"type\":\"string\",\"const\":\"pyth\"}}}}},\"info\":{\"input\":{\"type\":\"http\",\"method\":\"GET\",\"discoverable\":true,\"url\":\"https://blockrun.ai/api/v1/stocks/us/price/COIN\",\"pathFields\":{\"symbol\":{\"type\":\"string\",\"description\":\"NYSE/Nasdaq/AMEX ticker (AAPL, TSLA, NVDA, CRCL, SPY, …).\",\"example\":\"AAPL\",\"required\":true}},\"queryFields\":{\"session\":{\"type\":\"string\",\"description\":\"Optional US market session: pre|post|on. Equity-only.\",\"required\":false}}}}}}}}"
  },
  "paid": {
    "status": 502,
    "headers": {
      "alt-svc": "h3=\":443\"; ma=86400",
      "cache-control": "private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0",
      "cf-ray": "a3477b9278b0774e-AMS",
      "connection": "keep-alive",
      "content-length": "890",
      "content-type": "application/json; charset=utf-8",
      "date": "Tue, 01 Sep 2026 21:49:04 GMT",
      "expires": "Thu, 01 Jan 1970 00:00:01 GMT",
      "nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}",
      "referrer-policy": "same-origin",
      "report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=Tlz5nuD5LH2RcDnXVQsWJTfGyvulTC7ahqaloYOtCTKCjNcN%2BUJdEif%2FsHvqfSPSRAvk81um87d7eIaINLnkUzBwxdxMOsKlW2o6%2BYeScSCmz8DyEMBVgdWc3yTz4w%3D%3D\"}]}",
      "retry-after": "60",
      "server": "cloudflare",
      "x-frame-options": "SAMEORIGIN"
    },
    "body": "{\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-502/\",\"title\":\"Error 502: Bad gateway\",\"status\":502,\"detail\":\"The origin web server returned an invalid or incomplete response to Cloudflare. This typically indicates the origin is overloaded or misconfigured.\",\"instance\":\"a3477b928ad59fe8\",\"error_code\":502,\"error_name\":\"origin_bad_gateway\",\"error_category\":\"origin\",\"ray_id\":\"a3477b928ad59fe8\",\"timestamp\":\"2026-09-01T21:49:04Z\",\"zone\":\"blockrun-web-vbsbhh7lea-uc.a.run.app\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check their origin server health and configuration.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}\n"
  }
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:deade4e0bad358ae6f2f2957cc7da6312ea0628f5e7865bd68e6031a2679630c | sha256sum

npx teppi-check https://blockrun.ai/api/v1/stocks/us/price/COIN