Kronos Crypto Data & Forecasts

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",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://kronossignals.com/api/v1/token-risk",
    "tags": [
      "token-risk",
      "base",
      "erc20",
      "onchain",
      "honeypot",
      "x402"
    ],
    "mimeType": "application/json",
    "description": "Cited risk evidence summary for a Base ERC-20 token address: honeypot buy/sell simulation (honeypot.is), upgradeable-proxy detection, ownership status, and verified-source status (Sourcify) — relayed as-is with a documented aggregation methodology, never asserted as a guarantee. $0.02 USDC via x402.",
    "serviceName": "Kronos Crypto Data & Forecasts"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "pathParams": {},
          "queryParams": {}
        },
        "output": {
          "type": "json",
          "example": {
            "as_of": "2026-01-01T00:00:00.000Z",
            "chain": "base",
            "flags": [
              {
                "check": "honeypot_simulation",
                "result": "pass",
                "source": "honeypot.is"
              },
              {
                "check": "proxy_upgradeable",
                "result": "pass",
                "source": "onchain"
              },
              {
                "note": "Owner retains control.",
                "check": "ownership",
                "result": "warn",
                "source": "onchain"
              },
              {
                "check": "verified_source",
                "result": "inconclusive",
                "source": "sourcify"
              }
            ],
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "verdict": "WARN",
            "confidence": 0.75,
            "methodology": "Six independent checks run in parallel, each best-effort with a ~4s timeout: (1) honeypot_simulation via honeypot.is buy/sell simulation, (2) proxy_upgradeable via EIP-1967 implementation-slot storage read, (3) ownership via owner() on-chain call, (4) verified_source via Sourcify contract-verification lookup, (5) lp_lock via Uniswap-V2-style pair discovery + LP-token balance of dead/zero/known-locker addresses (PinkLock V2, UNCX), (6) honeypot_simulation_diy via a second, independent on-chain buy/sell simulation (open-source valamidev honeypot-checker contract through a Base Uniswap V2 router). Verdict: DANGER if any check returns fail; else WARN if any check returns warn; else SAFE if all decisive checks pass; else UNKNOWN if too many checks are inconclusive. confidence = fraction of the 6 checks that returned a decisive (non-inconclusive) result. A separate, non-flag `origin` field reports best-effort launchpad detection (bytecode fingerprinting) and never affects the verdict. This is a cited evidence summary of on-chain + third-party signals at scan time, not a guarantee.",
            "raw_sources": {
              "onchain": {
                "owner": "0x...",
                "is_proxy": false
              },
              "honeypot_is": {
                "buyTax": 0,
                "sellTax": 0,
                "isHoneypot": false
              }
            },
            "cache_ttl_sec": 0,
            "cannot_detect": [
              "time-delayed activation traps (safe now, may not be later)",
              "upgradeable/proxy contracts where the owner adds a trap after this scan",
              "off-chain-triggered blacklists not visible on-chain at scan time",
              "novel obfuscation not in our or upstream signature sets",
              "social-engineering / coordinated-exit rugs with no on-chain signature"
            ]
          },
          "example_kind": "illustrative_schema_only",
          "example_note": "Placeholder values and timestamps, not market data."
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              },
              "queryParams": {
                "type": "object",
                "properties": {}
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      },
      "routeTemplate": ":var1"
    }
  },
  "x402Version": 2
}

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": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "as_of": "2026-07-04T10:00:00.000Z",
          "chain": "base",
          "flags": [
            {
              "check": "honeypot_simulation",
              "result": "pass",
              "source": "honeypot.is"
            },
            {
              "check": "proxy_upgradeable",
              "result": "pass",
              "source": "onchain"
            },
            {
              "note": "Owner retains control.",
              "check": "ownership",
              "result": "warn",
              "source": "onchain"
            },
            {
              "check": "verified_source",
              "result": "inconclusive",
              "source": "sourcify"
            }
          ],
          "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "verdict": "WARN",
          "confidence": 0.75,
          "methodology": "Six independent checks run in parallel, each best-effort with a ~4s timeout: (1) honeypot_simulation via honeypot.is buy/sell simulation, (2) proxy_upgradeable via EIP-1967 implementation-slot storage read, (3) ownership via owner() on-chain call, (4) verified_source via Sourcify contract-verification lookup, (5) lp_lock via Uniswap-V2-style pair discovery + LP-token balance of dead/zero/known-locker addresses (PinkLock V2, UNCX), (6) honeypot_simulation_diy via a second, independent on-chain buy/sell simulation (open-source valamidev honeypot-checker contract through a Base Uniswap V2 router). Verdict: DANGER if any check returns fail; else WARN if any check returns warn; else SAFE if all decisive checks pass; else UNKNOWN if too many checks are inconclusive. confidence = fraction of the 6 checks that returned a decisive (non-inconclusive) result. A separate, non-flag `origin` field reports best-effort launchpad detection (bytecode fingerprinting) and never affects the verdict. This is a cited evidence summary of on-chain + third-party signals at scan time, not a guarantee.",
          "raw_sources": {
            "onchain": {
              "owner": "0x...",
              "is_proxy": false
            },
            "honeypot_is": {
              "buyTax": 0,
              "sellTax": 0,
              "isHoneypot": false
            }
          },
          "cache_ttl_sec": 0,
          "cannot_detect": [
            "time-delayed activation traps (safe now, may not be later)",
            "upgradeable/proxy contracts where the owner adds a trap after this scan",
            "off-chain-triggered blacklists not visible on-chain at scan time",
            "novel obfuscation not in our or upstream signature sets",
            "social-engineering / coordinated-exit rugs with no on-chain signature"
          ]
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {}
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-07-07 06:31Z

Last indexed by Roundhouse

2026-08-04 03:20Z

Last enriched (probe, favicon, geo)

2026-09-14 00:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402