Kilawatt Cloud

[
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xf441ad71d29502c33ef911de45aaec0060b34c66",
        "amount": "450000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 600
      }
    ],
    "resource": {
      "url": "https://www.kilawattcloud.dev/api/public/x402/exec",
      "mimeType": "application/json",
      "description": "Kilawatt GPU compute: 1x nvidia-h100 for 600s"
    },
    "extensions": {
      "x402.discovery": {
        "name": "Kilawatt Cloud GPU compute",
        "method": "POST",
        "openapi": "https://www.kilawattcloud.dev/api/public/x402/openapi.json",
        "resource": "https://www.kilawattcloud.dev/api/public/x402/exec",
        "description": "Pay-per-job GPU capacity with multi-provider failover, settled in USDC on Base. The request provisions capacity and does not accept code or commands.",
        "inputSchema": {
          "type": "object",
          "properties": {
            "gpu_type": {
              "type": "string",
              "default": "nvidia-h100",
              "maxLength": 64,
              "minLength": 1,
              "description": "GPU model to provision, e.g. nvidia-h100, nvidia-h200, nvidia-a10."
            },
            "card_count": {
              "type": "integer",
              "default": 1,
              "maximum": 16,
              "minimum": 1,
              "description": "Number of GPUs in the job. Minimum 1. Maximum: 8 for H100, H200, A100, and L40S; 4 for B200; 16 for workstation-class cards. Other GPU classes use the server-enforced class limit."
            },
            "workload_type": {
              "enum": [
                "agent_exec",
                "fine_tune",
                "batch_inference"
              ],
              "type": "string",
              "default": "agent_exec",
              "description": "Workload class dispatched through the Kilawatt gateway."
            },
            "routing_policy": {
              "enum": [
                "lowest_cost",
                "lowest_latency",
                "zero_quota"
              ],
              "type": "string",
              "default": "lowest_cost",
              "description": "Provider selection policy across the failover chain."
            },
            "duration_seconds": {
              "type": "number",
              "default": 600,
              "maximum": 86400,
              "minimum": 60,
              "description": "Requested runtime in seconds. Billing and pre-authorization use this value."
            }
          },
          "description": "Only the listed fields affect the request. Other fields are ignored. There is no field for source code, commands, container images, or workload payloads.",
          "additionalProperties": true
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "id": {
              "type": "string",
              "description": "Kilawatt job identifier, normally the same value as job_id."
            },
            "ready": {
              "type": "boolean"
            },
            "job_id": {
              "type": [
                "string",
                "null"
              ],
              "description": "Execution record identifier used by GET /api/public/v1/jobs/{job_id}."
            },
            "status": {
              "type": "string",
              "description": "provisioning when the node accepts the job."
            },
            "api_key": {
              "type": "string",
              "description": "The machine account's long-lived API key. Returned only on the wallet's first successful payment because only its hash is stored."
            },
            "payment": {
              "type": "object",
              "properties": {
                "payer": {
                  "type": "string"
                },
                "network": {
                  "type": "string"
                },
                "amount_usd": {
                  "type": "number",
                  "description": "Full signed amount settled on-chain and credited, expressed in whole cents."
                },
                "transaction_hash": {
                  "type": "string"
                },
                "stripe_payment_intent": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              }
            },
            "gpu_type": {
              "type": "string"
            },
            "provider": {
              "type": "string"
            },
            "billed_usd": {
              "type": "number",
              "description": "Exact job charge from the credited balance. The current x402 pricing path rounds this charge up to whole cents."
            },
            "card_count": {
              "type": "integer"
            },
            "instance_id": {
              "type": "string"
            },
            "failover_hops": {
              "type": "integer"
            },
            "health_status": {
              "type": "string"
            },
            "pricing_basis": {
              "type": "string"
            },
            "real_cost_usd": {
              "type": "number"
            },
            "workload_type": {
              "type": "string"
            },
            "routing_policy": {
              "type": "string"
            },
            "sla_credit_usd": {
              "type": "number"
            },
            "provisioned_gpu": {
              "type": [
                "string",
                "null"
              ]
            },
            "health_monitoring": {
              "type": "object"
            },
            "real_cost_precision": {
              "type": "string"
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]