AI Currency Exchange Estimator with Webhook
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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
documentIdandsheetNamefor logging. - Test the Workflow: Send a POST request to your n8n webhook URL with the currency exchange query in the request body.
Apps Used
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.
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ID: c06f2990-8a66...
About the Author
Crypto_Watcher
Web3 Developer
Automated trading bots and blockchain monitoring workflows.
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