{
  "x402Version": 2,
  "id": 4110,
  "slug": "4110",
  "resource": "https://api.delx.ai/api/v1/x402/open-knowledge-search",
  "description": "Search bounded English Wikipedia metadata for $0.001 USDC through the public Wikimedia API. Returns attributed page links and short snippets only—not general web search, arbitrary URLs, or article bodies.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "28heAMpFkeUJsL7o7apiK4oJwZWq2fUHinRwbgYYsemG",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "category": "knowledge",
      "info": {
        "input": {
          "body": {
            "max_records": 3,
            "query": "agentic commerce"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "result": {
              "attribution": "Search metadata supplied by Wikimedia/Wikipedia; snippets remain under the applicable page licenses. Preserve attribution and the license link.",
              "cache": "miss",
              "count": 1,
              "language": "en",
              "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
              "max_records": 3,
              "provider": "Wikimedia/Wikipedia",
              "provider_url": "https://www.wikipedia.org/",
              "query": "agentic commerce",
              "results": [
                {
                  "pageid": 123,
                  "snippet": "A short attributed search snippet.",
                  "title": "Example topic",
                  "url": "https://en.wikipedia.org/wiki/Example_topic"
                }
              ],
              "schema": "delx/open-knowledge-search/v1",
              "scope": "open_knowledge"
            },
            "tool_name": "search_open_knowledge"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "max_records": {
                    "default": 10,
                    "maximum": 10,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "query": {
                    "maxLength": 120,
                    "minLength": 1,
                    "type": "string"
                  },
                  "timeout": {
                    "default": 8,
                    "maximum": 8,
                    "minimum": 2,
                    "type": "integer"
                  }
                },
                "required": [
                  "query"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "result": {
                  "attribution": "Search metadata supplied by Wikimedia/Wikipedia; snippets remain under the applicable page licenses. Preserve attribution and the license link.",
                  "cache": "miss",
                  "count": 1,
                  "language": "en",
                  "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
                  "max_records": 3,
                  "provider": "Wikimedia/Wikipedia",
                  "provider_url": "https://www.wikipedia.org/",
                  "query": "agentic commerce",
                  "results": [
                    {
                      "pageid": 123,
                      "snippet": "A short attributed search snippet.",
                      "title": "Example topic",
                      "url": "https://en.wikipedia.org/wiki/Example_topic"
                    }
                  ],
                  "schema": "delx/open-knowledge-search/v1",
                  "scope": "open_knowledge"
                },
                "tool_name": "search_open_knowledge"
              },
              "type": {
                "const": "json",
                "type": "string"
              }
            },
            "required": [
              "type",
              "example"
            ],
            "type": "object"
          }
        },
        "required": [
          "input",
          "output"
        ],
        "type": "object"
      },
      "serviceName": "Open Knowledge for Agents",
      "summary": "Search bounded English Wikipedia metadata for $0.001 USDC through the public Wikimedia API. Returns attributed page links and short snippets only—not general web search, arbitrary URLs, or article bodies.",
      "tags": [
        "x402",
        "knowledge",
        "wikipedia",
        "wikimedia",
        "research",
        "open-data",
        "metadata",
        "agent"
      ]
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.delx.ai",
  "lastUpdated": "2026-08-26T00:42:15.325Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-26T00:42:14.759Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.delx.ai",
    "manifest_name": "api.delx.ai",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}