WebberSites x402 Data API

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required — and this endpoint is POST-only: retry as POST /v1/pro/chat/completions with the X-PAYMENT header. This GET only quotes the price and never settles a payment.",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6",
      "amount": "50000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://api.webbersites.com/v1/pro/chat/completions",
      "description": "OPENAI-COMPATIBLE chat completions, PRO tier — frontier models at one flat price, no API key, no account: gpt-5.2 (default), gpt-5.5, claude-sonnet-5, gemini-3.1-pro, gemini-3.5-flash. Same dialect as OpenAI — base_url https://api.webbersites.com/v1/pro works with any OpenAI SDK. Caps: 24,000 input chars, 1,024 output tokens, text-only, no streaming. The x402 payment IS the auth.",
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.webbersites.com/v1/pro/chat/completions",
    "mimeType": "application/json",
    "description": "OPENAI-COMPATIBLE chat completions, PRO tier — frontier models at one flat price, no API key, no account: gpt-5.2 (default), gpt-5.5, claude-sonnet-5, gemini-3.1-pro, gemini-3.5-flash. Same dialect as OpenAI — base_url https://api.webbersites.com/v1/pro works with any OpenAI SDK. Caps: 24,000 input chars, 1,024 output tokens, text-only, no streaming. The x402 payment IS the auth."
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6",
    "amount": "50000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "model": "gpt-5.2",
          "messages": [
            {
              "role": "user",
              "content": "Design a caching strategy for a read-heavy API with 1M daily calls."
            }
          ]
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "id": "chatcmpl-...",
          "model": "gpt-5.2",
          "usage": {
            "prompt_tokens": 22,
            "completion_tokens": 512
          },
          "object": "chat.completion",
          "choices": [
            {
              "message": {
                "role": "assistant",
                "content": "For a read-heavy API..."
              },
              "finish_reason": "stop"
            }
          ]
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "properties": {
            "body": {
              "required": [
                "messages"
              ],
              "properties": {
                "model": {
                  "type": "string",
                  "description": "gpt-5.2 (default), gpt-5.5, claude-sonnet-5, gemini-3.1-pro, gemini-3.5-flash"
                },
                "messages": {
                  "type": "array",
                  "description": "OpenAI-style messages: [{role, content}], text content only, 24,000 chars total"
                },
                "max_tokens": {
                  "type": "number",
                  "description": "output cap, clamped to 1,024"
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "properties": {
                "usage": {
                  "type": "object"
                },
                "choices": {
                  "type": "array",
                  "description": "OpenAI-shape choices; the answer is choices[0].message.content"
                }
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-08-10 03:46Z

Last indexed by Roundhouse

2026-09-09 03:20Z

Last enriched (probe, favicon, geo)

2026-09-21 12:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402