api-ninjas-com

api-ninjas-com Facts API

The Facts API provides tons of random interesting facts about science, literature, philosophy, and other cool topics.

Documentation GitHub OpenAPI

Operations 2

GET /v1/facts Get Random Facts #

GET /v1/factoftheday Get the fact of the day #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Ninjas Facts API
  description: 'Combined OpenAPI specification for every API Ninjas endpoint. Requests go to https://api.api-ninjas.com with an `X-Api-Key` header; get a free key at https://api-ninjas.com/register. Human-readable docs: https://api-ninjas.com/api. Index for LLMs: https://api-ninjas.com/llms.txt.'
  version: 1.0.0
  contact:
    name: API Ninjas
    url: https://api-ninjas.com
  license:
    name: Proprietary
servers:
- url: https://api.api-ninjas.com
  description: API Ninjas Production
security:
- ApiKeyAuth: []
tags:
- name: Facts
  description: The Facts API provides tons of random interesting facts about science, literature, philosophy, and other cool topics.
paths:
  /v1/facts:
    get:
      summary: Get Random Facts
      description: Returns one or more random facts. Free users have access to 100 facts - premium users have access to over 125,000 facts.
      operationId: getFacts
      parameters:
      - name: limit
        in: query
        description: How many results to return. Must be between 1 and 100. Default is 1.
        required: false
        schema:
          type: integer
          default: 1
          minimum: 1
          maximum: 100
      - $ref: '#/components/parameters/FactsOpenapi_safe'
      responses:
        '200':
          $ref: '#/components/responses/FactResponse'
        '400':
          $ref: '#/components/responses/FactsOpenapi_BadRequest'
        '401':
          $ref: '#/components/responses/FactsOpenapi_Unauthorized'
        '500':
          $ref: '#/components/responses/FactsOpenapi_InternalServerError'
      security:
      - ApiKeyAuth: []
      tags:
      - Facts
  /v1/factoftheday:
    get:
      summary: Get the fact of the day
      description: Returns a single fact for the current day. The same fact is returned for all requests on the same day, and changes each day. No parameters are available for this endpoint, so everyone sees the same fact of the day.
      operationId: getFactOfTheDay
      parameters: []
      responses:
        '200':
          $ref: '#/components/responses/FactResponse'
        '400':
          $ref: '#/components/responses/FactsOpenapi_BadRequest'
        '401':
          $ref: '#/components/responses/FactsOpenapi_Unauthorized'
        '500':
          $ref: '#/components/responses/FactsOpenapi_InternalServerError'
      security:
      - ApiKeyAuth: []
      tags:
      - Facts
components:
  responses:
    FactsOpenapi_BadRequest:
      description: Bad Request Response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/FactsOpenapi_Error'
    FactsOpenapi_Unauthorized:
      description: Unauthorized Response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/FactsOpenapi_Error'
    FactResponse:
      description: A random fact response
      content:
        application/json:
          schema:
            type: array
            items:
              $ref: '#/components/schemas/Fact'
    FactsOpenapi_InternalServerError:
      description: Internal Server Error Response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/FactsOpenapi_Error'
  parameters:
    FactsOpenapi_safe:
      name: safe
      in: query
      description: Premium subscribers only. Set safe=true to exclude facts flagged as sexually explicit, crude, or containing profanity, slurs, or offensive content. Defaults to false, so results are unfiltered unless you opt in. Any value other than true/false returns an error, as does using this parameter on a free account.
      required: false
      schema:
        type: boolean
        default: false
  schemas:
    Fact:
      type: object
      properties:
        fact:
          type: string
          description: A random fact.
    FactsOpenapi_Error:
      type: object
      properties:
        message:
          type: string
          description: Error message describing the problem.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
externalDocs:
  description: API Ninjas documentation
  url: https://api-ninjas.com/api