Apollo Reference Architecture

Overview

Production-ready reference architecture for Apollo.io integrations. Layered design with API client, service layer, background jobs, database models, CRM sync, and deals pipeline — all built around Apollo's REST API with correct endpoints and x-api-key authentication.

Prerequisites

• Apollo master API key
• Node.js 18+ with TypeScript
• PostgreSQL for data layer
• Redis for job queues

Instructions

Step 1: Architecture Diagram

┌───────────────────────────────────────────────┐
│                 API Layer                      │  Express routes
│  POST /api/leads/search     GET /api/org/:d    │  POST /api/deals
├───────────────────────────────────────────────┤
│              Service Layer                     │  Business logic