{
  "x402Version": 2,
  "id": 3687,
  "slug": "3687",
  "resource": "https://api.webbersites.com/v1/messages",
  "description": "ANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response shape, no Anthropic account, the x402 payment IS the auth. Point an Anthropic SDK's base_url at https://api.webbersites.com and pay per call. Caps: 16,000 input chars, 1,024 output tokens (max_tokens clamped), text-only, no streaming.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "max_tokens": 256,
            "messages": [
              {
                "content": "Summarize x402 in one sentence.",
                "role": "user"
              }
            ],
            "model": "claude-haiku-4-5"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "content": [
              {
                "text": "x402 is an open protocol...",
                "type": "text"
              }
            ],
            "id": "msg_...",
            "model": "claude-haiku-4-5",
            "role": "assistant",
            "stop_reason": "end_turn",
            "type": "message",
            "usage": {
              "input_tokens": 18,
              "output_tokens": 24
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "max_tokens": {
                    "description": "output cap, clamped to 1,024",
                    "type": "number"
                  },
                  "messages": {
                    "description": "Anthropic-style messages: [{role, content}], text content only, 16,000 chars total",
                    "type": "array"
                  },
                  "model": {
                    "description": "claude-haiku-4-5 (the only model on this route)",
                    "type": "string"
                  },
                  "system": {
                    "description": "optional system prompt (counts toward the input cap)",
                    "type": "string"
                  }
                },
                "required": [
                  "messages"
                ]
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "content": {
                    "description": "Anthropic-shape content blocks; the answer is content[0].text",
                    "type": "array"
                  },
                  "stop_reason": {
                    "type": "string"
                  },
                  "usage": {
                    "type": "object"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.webbersites.com",
  "lastUpdated": "2026-09-16T15:55:42.178Z",
  "quality": {
    "calls30d": 66,
    "uniquePayers30d": 4,
    "lastCalledAt": "2026-09-16T15:55:41.907Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.webbersites.com",
    "manifest_name": "api.webbersites.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}