{
  "x402Version": 2,
  "id": 36556,
  "slug": "36556",
  "resource": "https://api.x402risk.com/v1/address-screen",
  "description": "Pay-to / counterparty address screen for Base: exact match against OFAC SDN published digital currency addresses (daily refresh, list date included), contract vs EOA, Blockscout verification, first-seen age and tx count, lookalike (address-poisoning) check vs an optional compare_to, labels, and a block/caution/ok verdict. $0.005 USDC. Screening aid only, not a compliance clearance or legal advice.",
  "type": "http",
  "serviceName": "Base Pay-To Address Screen",
  "resourceType": "Security",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x8F9C3f91628497E2A72D6740022D46f87A9eB417",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "activity": {
            "description": "outgoing_tx_count, tx_count_indexed, first_seen_at, first_seen_age_days",
            "type": "object"
          },
          "address": {
            "type": "string"
          },
          "block_number": {
            "type": [
              "integer",
              "null"
            ]
          },
          "cached": {
            "type": "boolean"
          },
          "chain": {
            "type": "string"
          },
          "contract": {
            "description": "verified (Blockscout), name, proxy_type, creator, creation_tx, created_at",
            "type": [
              "object",
              "null"
            ]
          },
          "disclaimer": {
            "type": "string"
          },
          "eip7702_delegated_eoa": {
            "type": "boolean"
          },
          "errors": {
            "type": "array"
          },
          "is_contract": {
            "type": [
              "boolean",
              "null"
            ]
          },
          "labels": {
            "items": {
              "type": "object"
            },
            "type": "array"
          },
          "lookalike": {
            "description": "compare_to, prefix_match_hex, suffix_match_hex, lookalike",
            "type": [
              "object",
              "null"
            ]
          },
          "product": {
            "type": "string"
          },
          "reasons": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "sanctioned": {
            "description": "Exact match to an OFAC SDN published digital currency address",
            "type": "boolean"
          },
          "sanctions": {
            "description": "matches[], list, list_date, list_fetched_at, source_url",
            "type": "object"
          },
          "schema_version": {
            "type": "string"
          },
          "sources": {
            "type": "array"
          },
          "status": {
            "enum": [
              "ok",
              "partial",
              "error"
            ],
            "type": "string"
          },
          "verdict": {
            "enum": [
              "block",
              "caution",
              "ok"
            ],
            "type": "string"
          }
        },
        "required": [
          "schema_version",
          "address",
          "status",
          "verdict",
          "reasons",
          "sanctioned",
          "disclaimer"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "address": "0x098B716B8Aaf21512996dC57EB0615e2383E2f96"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "activity": {
              "first_seen_age_days": 798.4,
              "first_seen_is_lower_bound": false,
              "outgoing_tx_count": 0,
              "tx_count_indexed": 0
            },
            "address": "0x098B716B8Aaf21512996dC57EB0615e2383E2f96",
            "block_number": 35000000,
            "cached": false,
            "chain": "base",
            "chain_id": 8453,
            "contract": null,
            "disclaimer": "Screening aid only, not a compliance clearance or legal advice. Sanctions result is an exact match against EVM-format digital currency addresses published in the OFAC SDN list as of list_date; a non-match does not mean an address or its owner is not sanctioned or is safe. On-chain facts and labels come from public sources and can be incomplete.",
            "eip7702_delegated_eoa": false,
            "errors": [],
            "is_contract": false,
            "labels": [],
            "lookalike": null,
            "product": "address-screen",
            "reasons": [
              "exact match to an OFAC SDN digital currency address (LAZARUS GROUP; list date 2026-09-23)"
            ],
            "sanctioned": true,
            "sanctions": {
              "list": "OFAC SDN (Specially Designated Nationals) - digital currency addresses",
              "list_date": "2026-09-23",
              "matches": [
                {
                  "currency_tag": "ETH",
                  "programs": [
                    "DPRK3"
                  ],
                  "sdn_name": "LAZARUS GROUP",
                  "sdn_type": "Entity",
                  "sdn_uid": "23036"
                }
              ],
              "sanctioned": true
            },
            "schema_version": "1.0",
            "sources": [
              "ofac-sdn",
              "base-rpc",
              "blockscout"
            ],
            "status": "ok",
            "verdict": "block"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "address": {
                    "description": "EVM address to screen (Base, chain 8453)",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  },
                  "compare_to": {
                    "description": "Optional intended recipient address; flags a lookalike (address-poisoning) match",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  }
                },
                "required": [
                  "address"
                ],
                "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": {
                  "activity": {
                    "description": "outgoing_tx_count, tx_count_indexed, first_seen_at, first_seen_age_days",
                    "type": "object"
                  },
                  "address": {
                    "type": "string"
                  },
                  "block_number": {
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "cached": {
                    "type": "boolean"
                  },
                  "chain": {
                    "type": "string"
                  },
                  "contract": {
                    "description": "verified (Blockscout), name, proxy_type, creator, creation_tx, created_at",
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "disclaimer": {
                    "type": "string"
                  },
                  "eip7702_delegated_eoa": {
                    "type": "boolean"
                  },
                  "errors": {
                    "type": "array"
                  },
                  "is_contract": {
                    "type": [
                      "boolean",
                      "null"
                    ]
                  },
                  "labels": {
                    "items": {
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "lookalike": {
                    "description": "compare_to, prefix_match_hex, suffix_match_hex, lookalike",
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "product": {
                    "type": "string"
                  },
                  "reasons": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "sanctioned": {
                    "description": "Exact match to an OFAC SDN published digital currency address",
                    "type": "boolean"
                  },
                  "sanctions": {
                    "description": "matches[], list, list_date, list_fetched_at, source_url",
                    "type": "object"
                  },
                  "schema_version": {
                    "type": "string"
                  },
                  "sources": {
                    "type": "array"
                  },
                  "status": {
                    "enum": [
                      "ok",
                      "partial",
                      "error"
                    ],
                    "type": "string"
                  },
                  "verdict": {
                    "enum": [
                      "block",
                      "caution",
                      "ok"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "schema_version",
                  "address",
                  "status",
                  "verdict",
                  "reasons",
                  "sanctioned",
                  "disclaimer"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base",
    "address",
    "sanctions",
    "ofac",
    "screening",
    "bazaar"
  ],
  "sourceHost": "api.x402risk.com",
  "lastUpdated": "2026-10-09T16:24:16.863Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-09T16:24:16.405Z"
  },
  "metadata": {
    "serviceName": "Base Pay-To Address Screen",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x098B716B8Aaf21512996dC57EB0615e2383E2f96"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "activity": {
                "first_seen_age_days": 798.4,
                "first_seen_is_lower_bound": false,
                "outgoing_tx_count": 0,
                "tx_count_indexed": 0
              },
              "address": "0x098B716B8Aaf21512996dC57EB0615e2383E2f96",
              "block_number": 35000000,
              "cached": false,
              "chain": "base",
              "chain_id": 8453,
              "contract": null,
              "disclaimer": "Screening aid only, not a compliance clearance or legal advice. Sanctions result is an exact match against EVM-format digital currency addresses published in the OFAC SDN list as of list_date; a non-match does not mean an address or its owner is not sanctioned or is safe. On-chain facts and labels come from public sources and can be incomplete.",
              "eip7702_delegated_eoa": false,
              "errors": [],
              "is_contract": false,
              "labels": [],
              "lookalike": null,
              "product": "address-screen",
              "reasons": [
                "exact match to an OFAC SDN digital currency address (LAZARUS GROUP; list date 2026-09-23)"
              ],
              "sanctioned": true,
              "sanctions": {
                "list": "OFAC SDN (Specially Designated Nationals) - digital currency addresses",
                "list_date": "2026-09-23",
                "matches": [
                  {
                    "currency_tag": "ETH",
                    "programs": [
                      "DPRK3"
                    ],
                    "sdn_name": "LAZARUS GROUP",
                    "sdn_type": "Entity",
                    "sdn_uid": "23036"
                  }
                ],
                "sanctioned": true
              },
              "schema_version": "1.0",
              "sources": [
                "ofac-sdn",
                "base-rpc",
                "blockscout"
              ],
              "status": "ok",
              "verdict": "block"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "EVM address to screen (Base, chain 8453)",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "compare_to": {
                      "description": "Optional intended recipient address; flags a lookalike (address-poisoning) match",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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": {
                    "activity": {
                      "description": "outgoing_tx_count, tx_count_indexed, first_seen_at, first_seen_age_days",
                      "type": "object"
                    },
                    "address": {
                      "type": "string"
                    },
                    "block_number": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "cached": {
                      "type": "boolean"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "contract": {
                      "description": "verified (Blockscout), name, proxy_type, creator, creation_tx, created_at",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "eip7702_delegated_eoa": {
                      "type": "boolean"
                    },
                    "errors": {
                      "type": "array"
                    },
                    "is_contract": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "labels": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "lookalike": {
                      "description": "compare_to, prefix_match_hex, suffix_match_hex, lookalike",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "product": {
                      "type": "string"
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "sanctioned": {
                      "description": "Exact match to an OFAC SDN published digital currency address",
                      "type": "boolean"
                    },
                    "sanctions": {
                      "description": "matches[], list, list_date, list_fetched_at, source_url",
                      "type": "object"
                    },
                    "schema_version": {
                      "type": "string"
                    },
                    "sources": {
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "ok",
                        "partial",
                        "error"
                      ],
                      "type": "string"
                    },
                    "verdict": {
                      "enum": [
                        "block",
                        "caution",
                        "ok"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "schema_version",
                    "address",
                    "status",
                    "verdict",
                    "reasons",
                    "sanctioned",
                    "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": {
      "activity": {},
      "address": "string",
      "block_number": 0,
      "cached": true,
      "chain": "string",
      "contract": {},
      "disclaimer": "string",
      "eip7702_delegated_eoa": true,
      "errors": [
        "value"
      ],
      "is_contract": true,
      "labels": [
        {}
      ],
      "lookalike": {},
      "product": "string",
      "reasons": [
        "string"
      ],
      "sanctioned": true,
      "sanctions": {},
      "schema_version": "string",
      "sources": [
        "value"
      ],
      "status": "ok",
      "verdict": "block"
    },
    "type": "string"
  }
}