{
  "x402Version": 2,
  "id": 36557,
  "slug": "36557",
  "resource": "https://api.x402risk.com/v1/token-check",
  "description": "Pay-per-call token risk check for Base: send a Base ERC-20 contract address, get deterministic JSON risk flags (owner/renounced, upgradeable proxy, mint/pause/blacklist/fee functions, on-chain Uniswap v2/v3 + Aerodrome liquidity, holder concentration) and a rule-based risk_level. Use before buying or listing an unfamiliar Base token. $0.01 USDC. Invalid input returns 400 and is not charged. Not financial advice.",
  "type": "http",
  "serviceName": "Base Token Risk Check",
  "resourceType": "Security",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x8F9C3f91628497E2A72D6740022D46f87A9eB417",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "capabilities_heuristic": {
            "type": "object"
          },
          "chain": {
            "type": "string"
          },
          "contract": {
            "type": "object"
          },
          "disclaimer": {
            "type": "string"
          },
          "errors": {
            "type": "array"
          },
          "flags": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "holders": {
            "type": [
              "object",
              "null"
            ]
          },
          "liquidity": {
            "type": "object"
          },
          "risk_level": {
            "enum": [
              "low",
              "medium",
              "high",
              "unknown"
            ],
            "type": "string"
          },
          "schema_version": {
            "type": "string"
          },
          "sources": {
            "type": "array"
          },
          "status": {
            "enum": [
              "ok",
              "partial",
              "error"
            ],
            "type": "string"
          },
          "token": {
            "type": "string"
          },
          "token_info": {
            "type": "object"
          }
        },
        "required": [
          "schema_version",
          "token",
          "status",
          "risk_level",
          "flags",
          "disclaimer"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "chain": "base",
            "chain_id": 8453,
            "contract": {
              "is_contract": true,
              "is_eip1967_proxy": false,
              "owner_renounced": true
            },
            "disclaimer": "Informational on-chain data only. Not financial, investment, legal or tax advice. Heuristic flags can be wrong; do your own research.",
            "flags": [],
            "holders": {
              "holders_count": 948126,
              "top10_share_ex_pools_burn": 0.318,
              "top1_share_ex_pools_burn": 0.1166
            },
            "liquidity": {
              "best_estimate_usd": 2618438.83,
              "onchain_approx_liquidity_usd": 1779451.93
            },
            "risk_level": "low",
            "schema_version": "1.0",
            "status": "ok",
            "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
            "token_info": {
              "decimals": 18,
              "name": "Brett",
              "symbol": "BRETT"
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "token": {
                    "description": "Base (chain 8453) ERC-20 token contract address",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  }
                },
                "required": [
                  "token"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "capabilities_heuristic": {
                    "type": "object"
                  },
                  "chain": {
                    "type": "string"
                  },
                  "contract": {
                    "type": "object"
                  },
                  "disclaimer": {
                    "type": "string"
                  },
                  "errors": {
                    "type": "array"
                  },
                  "flags": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "holders": {
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "liquidity": {
                    "type": "object"
                  },
                  "risk_level": {
                    "enum": [
                      "low",
                      "medium",
                      "high",
                      "unknown"
                    ],
                    "type": "string"
                  },
                  "schema_version": {
                    "type": "string"
                  },
                  "sources": {
                    "type": "array"
                  },
                  "status": {
                    "enum": [
                      "ok",
                      "partial",
                      "error"
                    ],
                    "type": "string"
                  },
                  "token": {
                    "type": "string"
                  },
                  "token_info": {
                    "type": "object"
                  }
                },
                "required": [
                  "schema_version",
                  "token",
                  "status",
                  "risk_level",
                  "flags",
                  "disclaimer"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base",
    "token",
    "risk",
    "security",
    "onchain",
    "bazaar"
  ],
  "sourceHost": "api.x402risk.com",
  "lastUpdated": "2026-10-09T13:49:04.912Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-09T13:49:04.487Z"
  },
  "metadata": {
    "serviceName": "Base Token Risk Check",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "base",
              "chain_id": 8453,
              "contract": {
                "is_contract": true,
                "is_eip1967_proxy": false,
                "owner_renounced": true
              },
              "disclaimer": "Informational on-chain data only. Not financial, investment, legal or tax advice. Heuristic flags can be wrong; do your own research.",
              "flags": [],
              "holders": {
                "holders_count": 948126,
                "top10_share_ex_pools_burn": 0.318,
                "top1_share_ex_pools_burn": 0.1166
              },
              "liquidity": {
                "best_estimate_usd": 2618438.83,
                "onchain_approx_liquidity_usd": 1779451.93
              },
              "risk_level": "low",
              "schema_version": "1.0",
              "status": "ok",
              "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
              "token_info": {
                "decimals": 18,
                "name": "Brett",
                "symbol": "BRETT"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "token": {
                      "description": "Base (chain 8453) ERC-20 token contract address",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "token"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "capabilities_heuristic": {
                      "type": "object"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "contract": {
                      "type": "object"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "errors": {
                      "type": "array"
                    },
                    "flags": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "holders": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "liquidity": {
                      "type": "object"
                    },
                    "risk_level": {
                      "enum": [
                        "low",
                        "medium",
                        "high",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "schema_version": {
                      "type": "string"
                    },
                    "sources": {
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "ok",
                        "partial",
                        "error"
                      ],
                      "type": "string"
                    },
                    "token": {
                      "type": "string"
                    },
                    "token_info": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "schema_version",
                    "token",
                    "status",
                    "risk_level",
                    "flags",
                    "disclaimer"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.x402risk.com",
    "manifest_name": "api.x402risk.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "capabilities_heuristic": {},
      "chain": "string",
      "contract": {},
      "disclaimer": "string",
      "errors": [
        "value"
      ],
      "flags": [
        "string"
      ],
      "holders": {},
      "liquidity": {},
      "risk_level": "low",
      "schema_version": "string",
      "sources": [
        "value"
      ],
      "status": "ok",
      "token": "string",
      "token_info": {}
    },
    "type": "string"
  }
}