Kathy Here Backend

An AI powered dating chatbot backend powered by Google Gemini

Created using Express JS

Hosted on : https://kathyhere.cyclic.app

Frontend repository : https://github.com/akhiljw46/kathyhere-frontend

How to run

Step 1

Create a config.env file in the project folder with the following variables :

API_KEY : Google Gemini API key. You can get it here.

PORT : The port to run the server. Default port is 3000.

ENVIRONMENT : Either development or production.

LOG_URL : The database to save the logs in case of development.

Step 2

Run the following commands:

npm install
npm start

API documentation

Send POST request to {API_URL}/v1/message/{USER_MODEL}

Where {API_URL} is the url of the server and {USER_MODEL} is the model to be used, either kathy or tom.

With payload in the forllowing format:

{
    "messages": [
        {
            "id": 1703609459098,
            "isUser": false,
            "messageText": "Message by AI"
        },
        {
            "id": 1703609459099,
            "isUser": true,
            "messageText": "Message by User"
        }
    ]
}

Where the messages array contains objects with the following properties:

id is the unique message id.

isUser is a boolean true if the message is by the user and false if the message is by the AI model.

messageText is the message content.

Response will be in the following format:

{
    "status": "success",
    "message": "Reply message"
}

Where, status is either success or failed

and message is the reply message in case of success or error message in case of failed statuses.