n8n-nodes-spendex

N8N community node for SpendexAI — Smart AI Router with cost optimization.

One node. All LLM providers. Automatic cost savings.

Features

• Chat Completion — Send prompts through Spendex's smart router. Automatic model selection based on prompt complexity.
• Cost Tracking — Every response includes cost, savings, provider, and routing metadata.
• Budget Monitoring — Query budgets and credit balance directly from N8N.
• Spend Triggers — Get notified when budgets are crossed or requests are blocked.
• Project Tags — Tag requests by project for granular cost attribution.

Nodes

| Node | Description | |------|-------------| | SpendexAI | Send chat completions, check balance, list budgets | | SpendexAI Trigger | Webhook trigger for spend events (budget alerts, request completions) |

Setup

1. Install: npm install n8n-nodes-spendex
2. Add SpendexAI credentials with your API key
3. Use the SpendexAI node in your workflows

Example: AI Chatbot with Cost Tracking

Webhook → SpendexAI (Chat Completion) → Respond to Webhook

Every response includes:

• content — The AI response
• model — Which model was actually used
• cost — Exact cost in USD
• saved — Money saved vs. requested model
• classification — Prompt complexity (simple/medium/complex)

Example: Budget Alert to Slack

SpendexAI Trigger (budget.warning) → Slack (Send Message)

License

MIT