AI Currency Exchange Estimator with Webhook

Name: AI Currency Exchange Estimator with Webhook
Rating: 5 (19 reviews)
Author: Free N8N

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AI & Machine LearningAIAutomationCurrency ExchangeGoogle SheetsLangChainVector StoreWeaviateWebhook

Automate currency exchange estimations by leveraging AI and a webhook trigger. This workflow uses LangChain nodes to process requests, query exchange rates, and log results to a Google Sheet.

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About This Workflow

Overview

This n8n workflow acts as an AI-powered currency exchange estimator. It's designed to receive currency exchange queries via a webhook, process them using LangChain's language models and vector stores, and then log the interaction and estimated results to a Google Sheet for record-keeping and analysis. The core logic involves receiving a request, splitting the input text for better processing, generating embeddings, querying a vector store for relevant information, and then using an AI agent with chat memory to formulate a response and execute the estimation.

Key Features

Webhook Trigger: Initiates the workflow upon receiving an HTTP POST request, allowing external systems to trigger currency estimations.
LangChain Integration: Utilizes LangChain nodes for advanced AI capabilities, including text splitting, embedding generation, vector store interaction (Weaviate), and agent-based reasoning.
Vector Store for Knowledge: Employs Weaviate as a vector store to efficiently retrieve and utilize relevant currency exchange information.
AI Agent for Reasoning: An AI agent processes the query, leveraging chat memory and tools to provide an estimated currency exchange value.
Google Sheets Logging: Automatically logs all incoming requests and estimations to a specified Google Sheet for auditing and analysis.

How To Use

Set up Webhook: Configure the 'Webhook' node to listen for POST requests at the specified path (currency_exchange_estimator).
Configure LangChain Nodes: Set up the 'Splitter', 'Embeddings', 'Insert' (for initial data loading if needed), 'Query', 'Tool', 'Memory', and 'Chat' nodes with appropriate API credentials and model configurations.
Configure Weaviate Vector Store: Ensure your Weaviate instance is running and accessible, and configure the 'Insert' and 'Query' nodes with your indexName (currency_exchange_estimator) and API credentials.
Configure Google Sheets Node: Set up the 'Sheet' node with your Google Sheets API credentials and specify the documentId and sheetName for logging.
Test the Workflow: Send a POST request to your n8n webhook URL with the currency exchange query in the request body.

Apps Used

Automation

Currency Exchange

Google Sheets

LangChain

Vector Store

Weaviate

Webhook

Workflow JSON

{
  "id": "c06f2990-8a66-4fc2-b75a-aefe1747f200",
  "name": "AI Currency Exchange Estimator with Webhook",
  "nodes": 0,
  "category": "AI & Machine Learning",
  "status": "active",
  "version": "1.0.0"
}

Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.