Step 2: Connect Your Data Sources
You have a warehouse. Now you need data in it. Ingestion is the EL in ELT — Extract from your sources, Load into your warehouse. The transformation comes later. The two tools that matter for startups are Fivetran and Airbyte. They solve the same problem differently. What you are actually doing Every SaaS tool your company uses — Salesforce, HubSpot, Stripe, Postgres, Zendesk — has an API. Ingestion tools connect to those APIs, extract the data on a schedule, and load it into your warehouse in a usable schema. ...