{
  "format": "delx/intent-card/v1",
  "id": "chain-network-info-api",
  "intent": "look up a blockchain network name and chain ID",
  "title": "Chain network metadata API for agents",
  "description": "Look up supported EVM and Solana network metadata for $0.001 without an API key; the static registry never claims live RPC state.",
  "keywords": [
    "chain ID API",
    "blockchain network metadata",
    "EVM chain ID",
    "Solana network info",
    "agent blockchain API",
    "x402 chain data"
  ],
  "updated_at": "2026-08-01",
  "canonical_url": "https://commerce.delx.ai/intents/chain-network-info-api",
  "machine_url": "https://commerce.delx.ai/intents/chain-network-info-api.json",
  "recommendation": {
    "tool_name": "get_chain_network_info",
    "service_name": "Delx Chain Network Info",
    "method": "POST",
    "resource": "https://api.delx.ai/api/v1/x402/chain-network-info",
    "price_usdc": "0.001",
    "payment_protocols": [
      "x402",
      "mpp"
    ],
    "input_schema": {
      "type": "object",
      "properties": {
        "network": {
          "type": "string",
          "description": "Optional network name or alias such as base, ethereum, polygon, arbitrum-one, optimism, or solana."
        },
        "chain_id": {
          "type": "integer",
          "minimum": 1,
          "maximum": 18446744073709552000,
          "description": "Optional EVM decimal chain ID. Omit network and chain_id to return the full static registry."
        }
      },
      "required": [],
      "additionalProperties": false
    },
    "example_input": {
      "network": "base"
    },
    "example_output": {
      "tool_name": "get_chain_network_info",
      "result": {
        "schema": "delx/chain-network-info/v1",
        "registry_version": "2026-08-01",
        "matched_by": "network",
        "network_count": 1,
        "networks": [
          {
            "network": "base",
            "display_name": "Base Mainnet",
            "chain_family": "evm",
            "chain_id": 8453,
            "caip2": "eip155:8453",
            "status": "static_registry"
          }
        ],
        "data_mode": "static_registry",
        "live_rpc": false,
        "source": "Delx first-party static network registry",
        "freshness": "Metadata is versioned, not a live chain-state read.",
        "not_included": [
          "balances",
          "blocks",
          "receipts",
          "transactions",
          "gas",
          "contract_reads"
        ]
      }
    },
    "agentcash": {
      "buy": "npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/chain-network-info -m POST -H 'x-delx-source: intent-card-chain-network-info-api' --max-amount 0.001 -b '{\"network\":\"base\"}'",
      "max_amount_usdc": "0.001"
    }
  },
  "attribution": {
    "header": "x-delx-source",
    "value": "intent-card-chain-network-info-api"
  },
  "evidence": {
    "paid_openapi": "https://api.delx.ai/openapi.x402.json",
    "governed_portfolio": "https://api.delx.ai/x402-portfolio.json",
    "live_contract": "https://api.delx.ai/api/v1/x402/chain-network-info"
  }
}