Is a SAFE equity or debt?

Neither, technically. A SAFE is a contractual right to future equity. It is not debt because there is no obligation to repay and no interest accrues. It is not equity because no shares are issued until conversion. This unique structure makes it simpler than both convertible notes and priced rounds.

What is the difference between pre-money and post-money SAFEs?

In a pre-money SAFE, the cap applies before counting SAFE proceeds, which can make dilution less predictable. Y Combinator's post-money SAFE, introduced in 2018, sets the cap inclusive of all SAFE money, giving founders and investors clearer dilution expectations at the point of signing.

Can SAFEs be used outside the US?

Yes, though legal enforceability depends on local corporate law. SAFEs are widely used in African startup ecosystems, particularly in Nigeria, Kenya, and South Africa. Some jurisdictions may require modifications to comply with local securities regulations. Always consult a local lawyer.

Funding & InvestmentIntermediate4 min read

What Is a SAFE Agreement?

A SAFE (Simple Agreement for Future Equity) lets investors fund startups without setting a valuation. Learn how SAFEs work and their key terms.

Key Takeaways

A SAFE is an agreement where an investor provides capital in exchange for the right to receive equity at a future priced round.
Unlike convertible notes, SAFEs have no interest rate or maturity date, making them simpler for both parties.
SAFEs were created by Y Combinator and have become the standard instrument for early-stage funding in many markets.

How a SAFE works

An investor pays a fixed amount to a startup and receives the right to convert that amount into equity when the company raises a priced funding round. The conversion happens automatically at the new round's share price, subject to any valuation cap or discount specified in the SAFE. No shares are issued at the time of investment; the SAFE is a contractual promise of future equity.

Types of SAFEs

The most common variants are: SAFE with a valuation cap only (the investor's conversion price is capped regardless of how high the valuation goes), SAFE with a discount only (the investor gets shares at a percentage below the new round price), SAFE with both cap and discount (the investor gets whichever produces more shares), and uncapped SAFE with no discount, which offers the least investor protection.

Why SAFEs became popular

Y Combinator introduced the SAFE in 2013 to simplify early-stage funding. Compared to convertible notes, SAFEs eliminate negotiation over interest rates, maturity dates, and what happens at maturity. The legal documents are shorter and cheaper to prepare. This has made SAFEs the default instrument at accelerators worldwide, including those operating across Africa such as Techstars and Flat6Labs.

Founder considerations

SAFEs are founder-friendly, but that does not mean they are cost-free. Each SAFE creates a future dilution obligation that is not visible on the cap table until conversion. Raising too much money on SAFEs with low caps can lead to significant founder dilution when a priced round occurs. Model the conversion scenarios before signing to understand the full impact on your ownership.

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