Api Endpoint

x402engine.app

x402engine — Neural web search with highlighted snippets — find articles, news, research, and any web content

Open interactive test console

Offering

Provider
x402engine.app
Method
POST
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://x402engine.app/api/search/web
MIME type
Not provided
First seen
2026-10-16T01:58:26.121Z
Last seen
Tags
None supplied

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
Payment option 2
10000000000000000 atomic units
Atomic price: 10000000000000000 · Network: eip155:4326 · Asset: 0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7 · Scheme: exact
Payment option 3
0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629"
  },
  {
    "scheme": "exact",
    "network": "eip155:4326",
    "asset": "0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7",
    "amount": "10000000000000000",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "payTo": "Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa"
  }
]

Observed health

Status
Healthy
Latest latency
192 ms
Average latency
569 ms
HTTP status
204
Last checked
Reachability
100% over 14 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": {
      "additionalProperties": false,
      "properties": {
        "category": {
          "description": "Content category filter (news, research paper, company, tweet, github, pdf)",
          "example": "news",
          "type": "string"
        },
        "includeDomains": {
          "description": "Only include results from these domains",
          "example": [
            "arxiv.org",
            "github.com"
          ],
          "items": {
            "example": "arxiv.org",
            "type": "string"
          },
          "type": "array"
        },
        "includeText": {
          "default": false,
          "description": "Include full page text in results",
          "type": "boolean"
        },
        "numResults": {
          "default": 10,
          "description": "Number of results (1-30)",
          "example": 10,
          "type": "number"
        },
        "query": {
          "description": "Search query",
          "example": "latest ethereum news",
          "type": "string"
        }
      },
      "required": [
        "query"
      ],
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "bodyType",
    "body",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "category": {
              "description": "Content category filter (news, research paper, company, tweet, github, pdf)",
              "example": "news",
              "type": "string"
            },
            "includeDomains": {
              "description": "Only include results from these domains",
              "example": [
                "arxiv.org",
                "github.com"
              ],
              "items": {
                "example": "arxiv.org",
                "type": "string"
              },
              "type": "array"
            },
            "includeText": {
              "default": false,
              "description": "Include full page text in results",
              "type": "boolean"
            },
            "numResults": {
              "default": 10,
              "description": "Number of results (1-30)",
              "example": 10,
              "type": "number"
            },
            "query": {
              "description": "Search query",
              "example": "latest ethereum news",
              "type": "string"
            }
          },
          "required": [
            "query"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "bodyType",
        "body",
        "method"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}