Index onlineMerchant portal
Api Endpoint

WebberSites x402 Data API

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.

Open interactive test console

Offering

Provider
api.webbersites.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Api
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.webbersites.com/v1/messages
MIME type
Not provided
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
Inference

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6"
  }
]

Observed health

Status
Healthy
Latest latency
44 ms
Average latency
46 ms
HTTP status
204
Last checked
Reachability
100% over 4 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "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 schema

{
  "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"
}