Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

ANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4

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.

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10000 (raw units)
price
66
calls / 30d
4
unique payers
2026-09-16
updated

Provider

api.webbersites.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "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"
    }
  }
}

Use it

curl

curl "https://api.webbersites.com/v1/messages"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.webbersites.com/v1/messages");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.webbersites.com/v1/messages")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/3687.json, and this resource appears in /discovery/resources and /discovery/search.