{
  "x402Version": 2,
  "id": 51547,
  "slug": "51547",
  "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
  "description": "Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an…",
  "type": "http",
  "serviceName": "Token allowance check, Arc",
  "resourceType": "Security",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:5042",
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "asset": "0x3600000000000000000000000000000000000000",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:5042",
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "asset": "0x3600000000000000000000000000000000000000",
      "amount": "1000",
      "maxTimeoutSeconds": 604900
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 604900
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:56",
      "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
      "asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
      "amount": "10000000000000000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:56",
      "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
      "asset": "0xcE24439F2D9C6a2289F741120FE202248B666666",
      "amount": "10000000000000000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "discoverable": true,
          "method": "GET",
          "queryParams": {
            "owner": "0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C",
            "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "allowance": null,
              "allowanceRaw": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
              "isUnlimited": true,
              "ok": true,
              "owner": "0x024b82335c29fa5606a8ea5c1d24fc9ead50700c",
              "ownerBalance": 0.44577,
              "riskSignals": [
                "unlimited approval (to Permit2 (Uniswap))"
              ],
              "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3",
              "spenderName": "Permit2 (Uniswap)",
              "symbol": "USDC",
              "token": "0x3600000000000000000000000000000000000000",
              "usdValue": null
            },
            "ok": true,
            "paid": 0.001
          },
          "schema": {
            "properties": {
              "data": {
                "type": "object"
              },
              "ok": {
                "type": "boolean"
              },
              "paid": {
                "type": "number"
              }
            },
            "type": "object"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "owner": {
                    "description": "The wallet that gave (or would give) the approval.",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  },
                  "spender": {
                    "description": "The contract or wallet allowed to spend.",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  }
                },
                "required": [
                  "owner",
                  "spender"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "queryParams"
            ],
            "type": "object"
          },
          "output": {
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "allowance",
    "approval check",
    "erc20",
    "arc",
    "usdc",
    "bazaar"
  ],
  "sourceHost": "apexfaucet.xyz",
  "lastUpdated": "2026-10-10T22:46:15.496Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-10T22:46:15.172Z"
  },
  "metadata": {
    "serviceName": "Token allowance check, Arc",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "owner": "0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "allowance": null,
                "allowanceRaw": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
                "isUnlimited": true,
                "ok": true,
                "owner": "0x024b82335c29fa5606a8ea5c1d24fc9ead50700c",
                "ownerBalance": 0.44577,
                "riskSignals": [
                  "unlimited approval (to Permit2 (Uniswap))"
                ],
                "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                "spenderName": "Permit2 (Uniswap)",
                "symbol": "USDC",
                "token": "0x3600000000000000000000000000000000000000",
                "usdValue": null
              },
              "ok": true,
              "paid": 0.001
            },
            "schema": {
              "properties": {
                "data": {
                  "type": "object"
                },
                "ok": {
                  "type": "boolean"
                },
                "paid": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "owner": {
                      "description": "The wallet that gave (or would give) the approval.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "spender": {
                      "description": "The contract or wallet allowed to spend.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "owner",
                    "spender"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "apexfaucet.xyz",
    "manifest_name": "apexfaucet.xyz",
    "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": {}
}