{
  "x402Version": 2,
  "id": 51661,
  "slug": "51661",
  "resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/:netuid",
  "description": "Per-subnet Bittensor snapshot: static metadata (modality/owner/burn/kappa/rho) + latest Tier-A metrics + current alpha-token price. Covers all 129 mainnet subnets.",
  "type": "http",
  "resourceType": "Utilities",
  "accepts": [
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      "network": "eip155:8453",
      "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
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      "amountUsd": 0.02,
      "maxTimeoutSeconds": 300
    },
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    },
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      "scheme": "exact",
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      "maxTimeoutSeconds": 300
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  "outputSchema": {
    "properties": {
      "example": {
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      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
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      "info": {
        "input": {
          "method": "GET",
          "pathParams": {
            "netuid": "1"
          },
          "type": "http"
        },
        "output": {
          "example": {},
          "type": "json"
        }
      },
      "routeTemplate": "/v1/bittensor-derivatives/subnet/:netuid",
      "schema": {
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        "properties": {
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            "additionalProperties": false,
            "properties": {
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                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "pathParams": {
                "additionalProperties": false,
                "properties": {
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                    "examples": [
                      "3",
                      "64",
                      "123"
                    ],
                    "pattern": "^\\d{1,3}$",
                    "type": "string"
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                },
                "required": [
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              "queryParams": {
                "properties": {},
                "type": "object"
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        "required": [
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            "pattern": "^0x[a-fA-F0-9]{40}$",
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            "type": "string"
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            "pattern": "^0x[a-fA-F0-9]+$",
            "type": "string"
          },
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            "type": "string"
          },
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            "description": "Schema version identifier.",
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          "nonce",
          "deadline",
          "signature",
          "version"
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    },
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      },
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        "$schema": "https://json-schema.org/draft/2020-12/schema",
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            "description": "Approval amount (uint256).",
            "pattern": "^[0-9]+$",
            "type": "string"
          },
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          },
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            "pattern": "^0x[a-fA-F0-9]{40}$",
            "type": "string"
          },
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          },
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            "description": "The address of the spender (Canonical Permit2).",
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            "type": "string"
          },
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            "description": "Schema version identifier.",
            "pattern": "^[0-9]+(\\.[0-9]+)*$",
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          "spender",
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          "signedTransaction",
          "version"
        ],
        "type": "object"
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
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            "acceptIndex": 0,
            "format": "eip712",
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              "amount": "20000",
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              "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
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              "validUntil": 1791451861,
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              "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
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              "network": "eip155:42161",
              "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
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            "format": "eip712",
            "payload": {
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              "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
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            "format": "eip712",
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              "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
              "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
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            "format": "eip712",
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              "asset": "USDC:GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN",
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              "payTo": "GDYFWCUFLG7MZAITOOVITYDNCLVJXWJ7OASYJAJPPOTONUQRNBCRO2VP",
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              "jws"
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          },
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            "type": "string"
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          "signature"
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      },
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        "properties": {
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            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
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          "required": {
            "type": "boolean"
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        },
        "required": [
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  },
  "tags": [
    "bazaar",
    "eip2612GasSponsoring",
    "erc20ApprovalGasSponsoring",
    "offer-receipt",
    "payment-identifier"
  ],
  "sourceHost": "api.carbon-cashmere.de",
  "lastUpdated": "2026-10-08T08:31:01.418Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-08T08:31:01.162Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "netuid": "1"
            },
            "type": "http"
          },
          "output": {
            "example": {},
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        },
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        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
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                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": false,
                  "properties": {
                    "netuid": {
                      "description": "Bittensor subnet UID (0-511) as URL path segment.",
                      "examples": [
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                        "64",
                        "123"
                      ],
                      "pattern": "^\\d{1,3}$",
                      "type": "string"
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          },
          "required": [
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          "type": "object"
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      },
      "eip2612GasSponsoring": {
        "info": {
          "description": "The facilitator accepts EIP-2612 gasless Permit to Permit2 canonical contract.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
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              "description": "The amount to approve (uint256).",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "description": "The address of the ERC-20 token contract.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "deadline": {
              "description": "The timestamp at which the signature expires.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "from": {
              "description": "The address of the sender.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "nonce": {
              "description": "The current EIP-2612 nonce of the sender.",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "signature": {
              "description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
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              "pattern": "^[0-9]+(\\.[0-9]+)*$",
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            "nonce",
            "deadline",
            "signature",
            "version"
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          "type": "object"
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      },
      "erc20ApprovalGasSponsoring": {
        "info": {
          "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
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              "description": "Approval amount (uint256).",
              "pattern": "^[0-9]+$",
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              "pattern": "^0x[a-fA-F0-9]{40}$",
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              "pattern": "^0x[a-fA-F0-9]{40}$",
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            "signedTransaction": {
              "description": "RLP-encoded signed transaction calling ERC20.approve().",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
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            },
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            "spender",
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            "signedTransaction",
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          ],
          "type": "object"
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      },
      "offer-receipt": {
        "info": {
          "offers": [
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              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "20000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
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                "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
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              },
              "signature": "0xb033fbd8b8610d72939df9a43e6cbe1dfe560e20e8095cfcaa059aca01c486777569d7befaf61b9100a91b74098dd070a8bc4511a9a54167f6467546fc8fa3291c"
            },
            {
              "acceptIndex": 3,
              "format": "eip712",
              "payload": {
                "amount": "20000",
                "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
                "network": "eip155:480",
                "payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
                "resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/1",
                "scheme": "exact",
                "validUntil": 1791451861,
                "version": 1
              },
              "signature": "0x50eff4135a9a84d48e77e93d1aae6aefdca7e79e9849be44ba3b7da92957560e22af7b0bada29d64d86ffd54564d3bd8d25b86f5ada7458242411b7e73c337d81b"
            },
            {
              "acceptIndex": 4,
              "format": "eip712",
              "payload": {
                "amount": "20000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "GgS891nMiEETjBEFw1QQxVcAqsRV34mDYpxh24TrpCiD",
                "resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/1",
                "scheme": "exact",
                "validUntil": 1791451861,
                "version": 1
              },
              "signature": "0x42fe752143ac9aac55d0c7c14b690c980aae1cd7e5787f5d6b34f8def06165415676f49f48cf7dd711c59a7a58cbff6fc4d32c7427cab582ffd01300561313ab1c"
            },
            {
              "acceptIndex": 5,
              "format": "eip712",
              "payload": {
                "amount": "20000",
                "asset": "31566704",
                "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
                "payTo": "5GRGZVUNRF2S4BY2TNRBCUCKUOT3H6BP56ACPCZVGR3ISTTRRSSB2RGJGI",
                "resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/1",
                "scheme": "exact",
                "validUntil": 1791451861,
                "version": 1
              },
              "signature": "0xfefa994f68111e4bc0602bda3d4a3946fb51a72fe2dab5e1312b3158afb8250e182603274cd84eb2ec50d30de6e9eca9e9aa79f3caf8ee0b25e5f79f8c2292211b"
            },
            {
              "acceptIndex": 6,
              "format": "eip712",
              "payload": {
                "amount": "200000",
                "asset": "USDC:GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN",
                "network": "stellar:pubnet",
                "payTo": "GDYFWCUFLG7MZAITOOVITYDNCLVJXWJ7OASYJAJPPOTONUQRNBCRO2VP",
                "resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/subnet/1",
                "scheme": "exact",
                "validUntil": 1791451861,
                "version": 1
              },
              "signature": "0xfbc1e8509c1106f0637af013b7bb3610f7b8baae22c67ee4403dda0d9718c6c57f9cacfe60dcf440a9031a807968ffa77fc077a7109d590b97eb38aef0632f5d1c"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "format": {
              "enum": [
                "eip712",
                "jws"
              ],
              "type": "string"
            },
            "payload": {
              "type": "object"
            },
            "signature": {
              "type": "string"
            }
          },
          "required": [
            "format",
            "payload",
            "signature"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.carbon-cashmere.de",
    "manifest_name": "api.carbon-cashmere.de",
    "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": {}
}