Apollo Migration Deep Dive Current State ! Overview Migrate contact and company data into Apollo.io from other CRMs (Salesforce, HubSpot) or CSV sources. Uses Apollo's Contacts API for creating/updating contacts and Bulk Create Contacts endpoint for high-throughput imports (up to 100 contacts per call). Covers field mapping, assessment, batch processing, reconciliation, and rollback. Prerequisites - Apollo master API key (Contacts API requires master key) - Node.js 18+ - Source CRM export in CSV or JSON format Instructions Step 1: Define Field Mappings Step 2: Pre-Migration Assessment Step 3:…