Create a BTC/ETH Price & USD Exchange Rate API with CoinGecko & ExchangeRate-API

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🌐 Crypto + FX Micro-API (Webhook JSON) 📌 Overview Spin up a tiny, serverless-style API from n8n that returns BTC/ETH prices & 24h changes plus USD→EUR and USD→NGN from public, no-key data sources. Ideal for dashboards, low-code apps, or internal tools that just need a simple JSON feed. ⚙️ How it works Webhook (GET /crypto-fx) — entrypoint for your client/app. HTTP: ExchangeRate-API — USD-base FX rates (no API key). HTTP: CoinGecko — BTC/ETH prices + 24h % change (no API key). Merge — c