{
  "openapi": "3.0.0",
  "info": {
    "title": "Cognitia API",
    "version": "1.0.0",
    "description": "Fictional API for text analysis: sentiment, summarization, and bias detection."
  },
  "servers": [
    {
      "url": "https://api.cognitia.ai/v1"
    }
  ],
  "paths": {
    "/analyze-sentiment": {
      "post": {
        "summary": "Analyze Sentiment",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "text": {
                    "type": "string"
                  }
                },
                "required": [
                  "text"
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Sentiment result",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "sentiment": {
                      "type": "string",
                      "enum": [
                        "positive",
                        "neutral",
                        "negative"
                      ]
                    },
                    "confidence": {
                      "type": "number"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Missing required field: text"
          },
          "401": {
            "description": "Invalid or missing API token"
          },
          "500": {
            "description": "Internal server error"
          }
        }
      }
    },
    "/summarize": {
      "post": {
        "summary": "Summarize Text",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "text": {
                    "type": "string",
                    "maxLength": 2000
                  }
                },
                "required": [
                  "text"
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Summary result",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "summary": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Missing required field: text"
          },
          "401": {
            "description": "Invalid or missing API token"
          },
          "413": {
            "description": "Payload too large"
          },
          "500": {
            "description": "Internal server error"
          }
        }
      }
    },
    "/detect-bias": {
      "post": {
        "summary": "Detect Bias",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "text": {
                    "type": "string",
                    "maxLength": 1500
                  }
                },
                "required": [
                  "text"
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Bias detection result",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "biased": {
                      "type": "boolean"
                    },
                    "categories": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "explanation": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Missing required field: text"
          },
          "401": {
            "description": "Invalid or missing API token"
          },
          "413": {
            "description": "Payload too large"
          },
          "500": {
            "description": "Internal server error"
          }
        }
      }
    }
  }
}