{
  "additionalInterfaces": [
    {
      "transport": "HTTP+JSON",
      "url": "https://watt.area21.io/openapi.json"
    }
  ],
  "capabilities": {
    "pushNotifications": false,
    "streaming": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "description": "OpenAI-compatible inference: multimodal embeddings, moderation, and typed decisions. Pay with a bearer API key or per call in USDC on Base (x402).",
  "documentationUrl": "https://watt.area21.io/llms.txt",
  "name": "Watt",
  "protocolVersion": "0.3.0",
  "provider": {
    "organization": "Area21 Labs LLC",
    "url": "https://watt.area21.io"
  },
  "security": [
    {
      "bearer": []
    },
    {
      "x402": []
    }
  ],
  "securitySchemes": {
    "bearer": {
      "description": "API key issued by Area21. Authorization: Bearer watt-sk-…",
      "scheme": "bearer",
      "type": "http"
    },
    "x402": {
      "description": "No key: the request is answered 402 and paid per call in USDC on Base (X-PAYMENT or PAYMENT-SIGNATURE). The listed routes are /.well-known/x402.",
      "scheme": "x402",
      "type": "http"
    }
  },
  "skills": [
    {
      "description": "Multimodal embeddings, text and images in one space. POST https://watt.area21.io/v1/embeddings. An x402 call is $0.002 with an image and $0.001 for text.",
      "id": "embeddings",
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "name": "Embeddings",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "embeddings"
      ]
    },
    {
      "description": "Typed yes/no, choice and score decisions. POST https://watt.area21.io/v1/decisions. An x402 call is $0.002.",
      "id": "decisions",
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "name": "Decisions",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "decisions"
      ]
    },
    {
      "description": "OpenAI-compatible moderation. POST https://watt.area21.io/v1/moderations. An x402 call is $0.002.",
      "id": "moderation",
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "name": "Moderation",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "moderation"
      ]
    }
  ],
  "url": "https://watt.area21.io/v1",
  "version": "1",
  "x402Resources": [
    "https://watt.area21.io/v1/embeddings",
    "https://watt.area21.io/v1/decisions",
    "https://watt.area21.io/v1/moderations"
  ],
  "x402WellKnown": "https://watt.area21.io/.well-known/x402"
}