Api Endpoint

Web Search (SERP)

Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).

Open interactive test console

Offering

Provider
api.kadec0.xyz
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.kadec0.xyz/v1/serp
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
Search, web-search, Web, serp, search-results

Payment pricing

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

Payment option 1
0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"
  }
]

Observed health

Status
Healthy
Latest latency
133 ms
Average latency
415 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

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

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "q": {
          "type": "string",
          "description": "search query"
        },
        "num_results": {
          "type": "string",
          "default": "10",
          "description": "max results, cap 25"
        },
        "region": {
          "type": "string",
          "default": "us-en",
          "description": "locale, e.g. us-en, uk-en, de-de"
        },
        "timelimit": {
          "type": "string",
          "enum": [
            "d",
            "w",
            "m",
            "y"
          ],
          "description": "restrict to past day/week/month/year"
        },
        "safesearch": {
          "type": "string",
          "enum": [
            "on",
            "moderate",
            "off"
          ],
          "default": "moderate"
        },
        "page": {
          "type": "string",
          "default": "1",
          "description": "result page (pagination)"
        },
        "mode": {
          "type": "string",
          "enum": [
            "web",
            "news"
          ],
          "default": "web",
          "description": "web results or recent news (news adds date+source per item). the news index is narrow, so a long or highly specific news query that matches nothing falls through to web rather than returning empty; those items carry requestedMode=news and servedBy=web"
        },
        "engine": {
          "type": "string",
          "default": "auto",
          "description": "search backend: auto (recommended - rotates engines and falls back on blocks) or pin one of yahoo, yandex (web mode); news mode supports bing. when set, each result carries an 'engine' field; if the pinned engine returns nothing, auto serves instead and results also carry 'requestedEngine'"
        }
      },
      "required": [
        "q"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "engine": {
              "default": "auto",
              "description": "search backend: auto (recommended - rotates engines and falls back on blocks) or pin one of yahoo, yandex (web mode); news mode supports bing. when set, each result carries an 'engine' field; if the pinned engine returns nothing, auto serves instead and results also carry 'requestedEngine'",
              "type": "string"
            },
            "mode": {
              "default": "web",
              "description": "web results or recent news (news adds date+source per item). the news index is narrow, so a long or highly specific news query that matches nothing falls through to web rather than returning empty; those items carry requestedMode=news and servedBy=web",
              "enum": [
                "web",
                "news"
              ],
              "type": "string"
            },
            "num_results": {
              "default": "10",
              "description": "max results, cap 25",
              "type": "string"
            },
            "page": {
              "default": "1",
              "description": "result page (pagination)",
              "type": "string"
            },
            "q": {
              "description": "search query",
              "type": "string"
            },
            "region": {
              "default": "us-en",
              "description": "locale, e.g. us-en, uk-en, de-de",
              "type": "string"
            },
            "safesearch": {
              "default": "moderate",
              "enum": [
                "on",
                "moderate",
                "off"
              ],
              "type": "string"
            },
            "timelimit": {
              "description": "restrict to past day/week/month/year",
              "enum": [
                "d",
                "w",
                "m",
                "y"
              ],
              "type": "string"
            }
          },
          "required": [
            "q"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}