CSV Upload

What is CSV Upload?

Despite a decade of API-first marketing, CSV upload remains the single most common way new customers get their data into a SaaS product. The reasons are practical: spreadsheets are universal, mapping columns is something a non-engineer can do, and the import is a one-shot operation that doesn't require building an integration. Modern CSV upload tools handle the messy edges — encoding issues, inconsistent date formats, locale-specific number formats, columns with mixed types — and provide preview-and-validate steps before the final commit. For agentic GTM, CSV remains essential: enriching a target-account list pulled from Sales Nav, importing historical campaign data, or bulk-loading a one-time deduped contact set.

Why it matters

• Gets a new customer to first value on day one without engineering involvement.
• Universal — every system can export to CSV; every team has someone who can open one.
• Forgiving — a bad CSV is easy to fix and re-upload; a bad API integration is a multi-day debug.

Use cases

• Onboarding import. A net-new customer uploads their existing contact list to start.
• Target-account import. Sales loads a Sales Nav export of named accounts for an ABM play.
• Bulk update. Ops uploads a CSV of corrections to fix 5,000 records in one shot.