Direct wallet sanctions exposure check on Base

Direct wallet sanctions exposure check on Base. Screens a wallet and a bounded set of recent transfer counterparties, with evidence, coverage, and explicit limitations.

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Endpoint

GET https://wallet-sanctions.use.x402atlas.com/exposure

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Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "address": "0xD58397875AA3e57f11EE5eDcC4Cda2BCb545D4f7",
    "network": "eip155:8453"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "address": {
              "description": "A 20-byte EVM wallet address (0x...).",
              "maxLength": 42,
              "minLength": 42,
              "type": "string"
            },
            "network": {
              "description": "Base mainnet in CAIP-2 format.",
              "enum": [
                "eip155:8453"
              ],
              "type": "string"
            }
          },
          "required": [
            "address",
            "network"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "address": {
              "description": "Validated canonical EIP-55 address of the analyzed wallet.",
              "type": "string"
            },
            "cached": {
              "description": "True when the whole analysis was served from cache, including the pinned documentation example.",
              "type": "boolean"
            },
            "checked_at": {
              "description": "When this analysis was assembled; retained on cache hits.",
              "format": "date-time",
              "type": "string"
            },
            "coverage": {
              "description": "Exactly what this analysis did. `counterparties_discovered` = `counterparties_screened` + `counterparties_failed` + `counterparties_not_screened`.",
              "properties": {
                "counterparties_discovered": {
                  "description": "Unique counterparties found in the examined transfers.",
                  "type": "integer"
                },
                "counterparties_failed": {
                  "description": "Counterparties whose screen was attempted but errored upstream. They are NOT clean \u2014 they are unknown.",
                  "type": "integer"
                },
                "counterparties_not_screened": {
                  "description": "Discovered counterparties dropped by `counterparty_limit` and never sent upstream. Also unknown, not clean.",
                  "type": "integer"
                },
                "counterparties_screened": {
                  "description": "Counterparties whose sanctions screen completed successfully; only these carry a real result.",
                  "type": "integer"
                },
                "counterparty_limit": {
                  "description": "Maximum unique counterparties this route screens per request.",
                  "type": "integer"
                },
                "from": {
                  "description": "Oldest transfer timestamp the scan considered.",
                  "format": "date-time",
                  "type": "string"
                },
                "lookback_days": {
                  "description": "Configured history window in days.",
                  "type": "integer"
                },
                "provider_complete": {
                  "description": "False when any screen failed or an upstream transfer row was unusable. A negative verdict with `false` here is partial, not clean.",
                  "type": "boolean"
                },
                "to": {
                  "description": "Newest transfer timestamp the scan considered.",
                  "format": "date-time",
                  "type": "string"
                },
                "transfer_limit": {
                  "description": "Maximum transfers the scan reads before stopping.",
                  "type": "integer"
                },
                "transfers_examined": {
                  "description": "Transfers actually read for this wallet.",
                  "type": "integer"
                },
                "truncated": {
                  "description": "True when a transfer or counterparty limit was hit, so the wallet has more history than was assessed.",
                  "type": "boolean"
                }
              },
              "required": [
                "from",
                "to",
                "lookback_days",
                "transfer_limit",
                "transfers_examined",
                "counterparty_limit",
                "counterparties_discovered",
                "counterparties_screened",
                "counterparties_failed",
                "counterparties_not_screened",
                "truncated",
                "provider_complete"
              ],
              "type": "object"
            },
            "limitations": {
              "description": "Scope caveats that constrain how this result may be used.",
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "matches": {
              "description": "One entry per successfully screened counterparty that is an exact sanctions-list match; empty when none matched. An entry describes the counterparty, not the requested wallet.",
              "items": {
                "description": "A sanctioned counterparty plus the interaction evidence. The `examples` entry is an illustrative shape only: its address, hash, names, and dates are placeholders, not a real designation.",
                "examples": [
                  {
                    "address": "0x000000000000000000000000000000000000dEaD",
                    "asset": "USDC",
                    "direction": "sent_to",
                    "interaction_count": 3,
                    "latest_interaction": "2026-07-19T08:31:22Z",

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