Number / date / year fact (Numbers API) API

Return a trivia, math, date, or year fact about a number from the Numbers API (numbersapi.com). Answers 'fact about the number 42','a math fact about 7','what happened on this date','something about the year 1969'.

Price$0.01per request

MethodPOST

Route/v1/data/misc-number-fact

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache3600s public

datanumberfactnumbersapimathdateyeartrivia

API URLhttps://x402.hexl.dev/v1/data/misc-number-fact

Integration docs

Example request

{
  "number": 42,
  "type": "trivia"
}

Example response

{
  "number": 42,
  "type": "trivia",
  "fact": "42 is the answer to the Ultimate Question of Life, the Universe, and Everything.",
  "found": true
}

Input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "number": {
      "type": [
        "number",
        "string"
      ],
      "examples": [
        42
      ]
    },
    "type": {
      "type": "string",
      "enum": [
        "trivia",
        "math",
        "date",
        "year"
      ],
      "default": "trivia"
    },
    "month": {
      "type": "number",
      "examples": [
        2
      ]
    },
    "day": {
      "type": "number",
      "examples": [
        29
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}