{
  "x402Version": 2,
  "id": 7508,
  "slug": "7508",
  "resource": "https://animica.dev/x402/chain/identity",
  "description": "Verify you are on real Animica mainnet, and which chain id to sign with. Animica answers that question with TWO numbers: the native chain is id 1, while the EVM compatibility facade reports 149 (eth_chainId 0x95, net_version \"149\"). A wallet porting Ethereum tooling signs with the wrong one. Returns both, the disagreement named, plus genesis hash, fork id, policy hash and the built-in consensus checkpoints a light client pins against. All read live. No model.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "6000",
      "maxTimeoutSeconds": 60
    },
    {
      "scheme": "exact",
      "network": "animica:1",
      "payTo": "anim1zqpsmegc0qcvzjfukm89xs0zeu3eqyyyel7kelehuszvwfarqypky2gr946ga",
      "asset": "ANM",
      "amount": "65416484954",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "animica": {
      "catalog": "https://animica.dev/.well-known/x402",
      "content_type": "application/json",
      "currency": "USDC",
      "description": "Verify you are on real Animica mainnet, and which chain id to sign with. Animica answers that question with TWO numbers: the native chain is id 1, while the EVM compatibility facade reports 149 (eth_chainId 0x95, net_version \"149\"). A wallet porting Ethereum tooling signs with the wrong one. Returns both, the disagreement named, plus genesis hash, fork id, policy hash and the built-in consensus checkpoints a light client pins against. All read live. No model.",
      "documentation": "https://animica.dev/x402#product-chain_identity",
      "name": "Animica chain identity and replay-protection check",
      "openapi": "https://animica.dev/x402/openapi.json",
      "price": "0.006000",
      "product": "chain_identity",
      "provider": "Animica",
      "terms": {
        "amount_atomic": "6000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "chain_id": 8453,
        "network": "eip155:8453",
        "pay_to": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
        "scheme": "exact"
      },
      "x402_version": 2
    },
    "bazaar": {
      "discoverable": true,
      "info": {
        "input": {
          "body": {
            "expect_chain_id": 1,
            "expect_genesis_hash": "0xa0892158cf997c56e91d0aa12e60c36037dae34800a2b54111a8fa17ec88b7de"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "properties": {
              "body": {
                "properties": {
                  "expect_chain_id": {
                    "description": "the chain id you BELIEVE you are talking to. When given, the response carries an explicit matches_native / matches_evm_facade verdict instead of leaving you to compare two numbers yourself — which is the comparison people get wrong.",
                    "type": "integer"
                  },
                  "expect_genesis_hash": {
                    "description": "the genesis hash you have pinned (0x… 32 bytes). Compared byte-for-byte; a mismatch is reported as a hard failure, since it means this is not the chain you think it is.",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "expect_chain_id": {
                    "description": "same as body.expect_chain_id for GET callers",
                    "type": "string"
                  },
                  "expect_genesis_hash": {
                    "description": "same as body.expect_genesis_hash for GET callers",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {},
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "discovery": {
      "discoverable": true,
      "info": {
        "input": {
          "bodyFields": {
            "expect_chain_id": {
              "description": "the chain id you BELIEVE you are talking to. When given, the response carries an explicit matches_native / matches_evm_facade verdict instead of leaving you to compare two numbers yourself — which is the comparison people get wrong.",
              "required": false,
              "type": "integer"
            },
            "expect_genesis_hash": {
              "description": "the genesis hash you have pinned (0x… 32 bytes). Compared byte-for-byte; a mismatch is reported as a hard failure, since it means this is not the chain you think it is.",
              "required": false,
              "type": "string"
            }
          },
          "bodyType": "json",
          "method": "POST",
          "queryParams": {
            "expect_chain_id": {
              "description": "same as body.expect_chain_id for GET callers",
              "type": "string"
            },
            "expect_genesis_hash": {
              "description": "same as body.expect_genesis_hash for GET callers",
              "type": "string"
            }
          },
          "type": "http"
        },
        "output": {
          "description": "as_of {read_at, head_height, head_hash}; native {chain_id, genesis_hash, genesis_header_hash, fork_id, policy_hash}; evm_facade {eth_chain_id, eth_chain_id_decimal, net_version, agrees_with_native, why_it_matters}; checkpoints {source, count, entries[] {height, hash}}; expectation {checked, chain_id {expected, matches_native, matches_evm_facade}, genesis_hash {expected, matches}}; warnings[]; read_errors; inference {used:false}.",
          "type": "json"
        }
      }
    }
  },
  "tags": [
    "animica",
    "bazaar",
    "discovery"
  ],
  "sourceHost": "animica.dev",
  "lastUpdated": "2026-08-27T03:21:12.248Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-08-27T03:21:12.015Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "animica.dev",
    "manifest_name": "animica.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}