An NPS email asks a customer a single question, how likely are they to recommend this brand to a friend or colleague, scored on a 0 to 10 scale, used to measure overall customer loyalty rather than satisfaction with any one purchase.
A quick answer to what is an NPS email for anyone unfamiliar with the format: a loyalty check-in, not a product review request, the distinction matters for how the results should actually get used.
One Question, Three Categories
NPS, short for Net Promoter Score, sorts every response into one of three groups:
- Promoters (score 9-10) — customers likely to recommend the brand and drive organic referrals.
- Passives (score 7-8) — satisfied but unenthusiastic, easily swayed by a competitor’s offer.
- Detractors (score 0-6) — unhappy customers whose feedback and public reviews can actively hurt the brand.
The final NPS score subtracts the percentage of detractors from the percentage of promoters, producing a single number used to track loyalty trends over time.
What a Realistic NPS Email Response Rate Looks Like
NPS email response rate expectations vary considerably by channel and audience, and it’s worth setting honest expectations rather than assuming every survey should hit a high number:
- 6 to 25 percent is the general range across multiple studies for email-specific NPS surveys, with most sources converging around 12 to 15 percent as a typical average.
- 15 percent or higher is generally considered a solid response rate specifically for email.
- 20 percent and above is considered strong performance for the email channel.
- B2B programs average closer to 12.4 percent, according to CustomerGauge benchmark data, while ecommerce and transactional NPS surveys sent right after a purchase tend to perform somewhat better than general relationship surveys sent with no specific trigger.
Email consistently underperforms other channels for NPS collection, SMS and in-app surveys regularly reach 30 to 50 percent, which is a channel difference worth knowing before assuming a 15 percent email response rate signals a problem.
NPS Email Examples and Timing
NPS email examples that perform best are short, ask the single core question prominently, and time the ask to a moment that makes sense, shortly after a purchase or support interaction, rather than an arbitrary date on a marketing calendar. NPS survey email best practices favor a low-friction format, a clickable 0 to 10 scale directly in the email body rather than requiring a click-through to an external survey tool, since every extra step between the question and the response measurably lowers completion.
Related terms:
Adflipr’s automation workflows can trigger NPS emails automatically after a purchase or support interaction, timed to the moment feedback is most likely to be genuine and complete.
