{
  "x402Version": 2,
  "id": 36618,
  "slug": "36618",
  "resource": "https://engine.beehivewebstudio.com/v1/token-briefs/brief",
  "description": "Check Base ERC-20 decimals and total supply at a recorded block, and up to three claims against cited evidence. Returns supported, contradicted, or unknown. Official project coverage currently includes Base USDC only. No safety verdict, liquidity, or holder analysis. One brief costs 0.25 USDC; retain your private Idempotency-Key for recovery.",
  "type": "http",
  "serviceName": "Beehive Token Brief",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x055ab9BE224bc906dB503557D71aA2eF6f502507",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "250000",
      "amountUsd": 0.25,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "additionalProperties": false,
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "const": "json"
      }
    },
    "required": [
      "type",
      "example"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "headers": {
            "Idempotency-Key": "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
          },
          "method": "GET",
          "queryParams": {
            "claim": "Circle lists this exact contract as USDC on Base.",
            "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "brief": {
              "baselineStatus": "no_baseline",
              "changes": [],
              "schemaVersion": "1",
              "snapshot": {
                "claims": [
                  {
                    "claim": "Circle lists this exact contract as USDC on Base.",
                    "evidenceIds": [
                      "registry-source"
                    ],
                    "explanation": "Exact contract appears in the official mainnet registry.",
                    "state": "supported"
                  }
                ],
                "evidence": [
                  {
                    "excerpt": "Base mainnet registry entry for this contract.",
                    "id": "registry-source",
                    "url": "https://developers.circle.com/stablecoins/usdc-contract-addresses"
                  }
                ],
                "facts": {
                  "decimals": "6"
                },
                "token": {
                  "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                  "network": "eip155:8453"
                }
              },
              "unknowns": [
                "Reserves, safety, liquidity and holders are not assessed."
              ]
            },
            "receipt": {
              "status": "settled",
              "transactionHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "headers": {
                "additionalProperties": false,
                "properties": {
                  "Idempotency-Key": {
                    "description": "Generate a fresh cryptographically random 32-byte hex secret per purchase. Never reuse the example. Keep it for retries and recovery; do not disclose it.",
                    "pattern": "^[0-9a-f]{64}$",
                    "type": "string"
                  }
                },
                "required": [
                  "Idempotency-Key"
                ],
                "type": "object"
              },
              "method": {
                "const": "GET"
              },
              "queryParams": {
                "additionalProperties": false,
                "properties": {
                  "claim": {
                    "description": "First proposition to check.",
                    "maxLength": 500,
                    "minLength": 1,
                    "type": "string"
                  },
                  "claim2": {
                    "maxLength": 500,
                    "minLength": 1,
                    "type": "string"
                  },
                  "claim3": {
                    "maxLength": 500,
                    "minLength": 1,
                    "type": "string"
                  },
                  "contractAddress": {
                    "description": "Base ERC-20 contract; defaults to native USDC.",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http"
              }
            },
            "required": [
              "type",
              "method",
              "queryParams",
              "headers"
            ],
            "type": "object"
          },
          "output": {
            "additionalProperties": false,
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "const": "json"
              }
            },
            "required": [
              "type",
              "example"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "token-research",
    "base",
    "evidence",
    "erc20",
    "usdc",
    "bazaar"
  ],
  "sourceHost": "engine.beehivewebstudio.com",
  "lastUpdated": "2026-09-28T15:25:20.599Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-28T15:25:20.416Z"
  },
  "metadata": {
    "serviceName": "Beehive Token Brief",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "headers": {
              "Idempotency-Key": "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
            },
            "method": "GET",
            "queryParams": {
              "claim": "Circle lists this exact contract as USDC on Base.",
              "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "brief": {
                "baselineStatus": "no_baseline",
                "changes": [],
                "schemaVersion": "1",
                "snapshot": {
                  "claims": [
                    {
                      "claim": "Circle lists this exact contract as USDC on Base.",
                      "evidenceIds": [
                        "registry-source"
                      ],
                      "explanation": "Exact contract appears in the official mainnet registry.",
                      "state": "supported"
                    }
                  ],
                  "evidence": [
                    {
                      "excerpt": "Base mainnet registry entry for this contract.",
                      "id": "registry-source",
                      "url": "https://developers.circle.com/stablecoins/usdc-contract-addresses"
                    }
                  ],
                  "facts": {
                    "decimals": "6"
                  },
                  "token": {
                    "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                    "network": "eip155:8453"
                  }
                },
                "unknowns": [
                  "Reserves, safety, liquidity and holders are not assessed."
                ]
              },
              "receipt": {
                "status": "settled",
                "transactionHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": false,
                  "properties": {
                    "Idempotency-Key": {
                      "description": "Generate a fresh cryptographically random 32-byte hex secret per purchase. Never reuse the example. Keep it for retries and recovery; do not disclose it.",
                      "pattern": "^[0-9a-f]{64}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "Idempotency-Key"
                  ],
                  "type": "object"
                },
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "claim": {
                      "description": "First proposition to check.",
                      "maxLength": 500,
                      "minLength": 1,
                      "type": "string"
                    },
                    "claim2": {
                      "maxLength": 500,
                      "minLength": 1,
                      "type": "string"
                    },
                    "claim3": {
                      "maxLength": 500,
                      "minLength": 1,
                      "type": "string"
                    },
                    "contractAddress": {
                      "description": "Base ERC-20 contract; defaults to native USDC.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams",
                "headers"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": false,
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "engine.beehivewebstudio.com",
    "manifest_name": "engine.beehivewebstudio.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": {},
    "type": null
  }
}