Api Endpoint

Stack Overflow Q&A Search

Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.

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Offering

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

Endpoint context

URL
https://api.kadec0.xyz/v1/stackoverflow
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
stackoverflow, programming, qa, developer, code

Payment pricing

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

Payment option 1
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"
  }
]

Observed health

Status
Healthy
Latest latency
155 ms
Average latency
241 ms
HTTP status
402
Last checked
Reachability
100% over 11 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": {
        "mode": {
          "type": "string",
          "enum": [
            "search",
            "question"
          ]
        },
        "q": {
          "type": "string"
        },
        "tag": {
          "type": "string",
          "description": "optional tag filter"
        },
        "ids": {
          "type": "string",
          "description": "comma list of question ids (mode=question)"
        },
        "maxItems": {
          "type": "string",
          "default": "20"
        }
      },
      "required": [],
      "anyOf": [
        {
          "required": [
            "q"
          ]
        },
        {
          "required": [
            "ids"
          ]
        }
      ]
    }
  },
  "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": {
          "anyOf": [
            {
              "required": [
                "q"
              ]
            },
            {
              "required": [
                "ids"
              ]
            }
          ],
          "properties": {
            "ids": {
              "description": "comma list of question ids (mode=question)",
              "type": "string"
            },
            "maxItems": {
              "default": "20",
              "type": "string"
            },
            "mode": {
              "enum": [
                "search",
                "question"
              ],
              "type": "string"
            },
            "q": {
              "type": "string"
            },
            "tag": {
              "description": "optional tag filter",
              "type": "string"
            }
          },
          "required": [],
          "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"
}