All 12 systems · System 12
Referral incentive loop
A referral incentive loop converts genuine customer advocacy into trackable acquisition by rewarding a referrer only after a well-matched invitee reaches a valuable milestone. It fits products with strong retention, customers who naturally know similar prospects, and rewards that reinforce product use without attracting bounty hunters.
Causal engine
A retained customer experiences a result worth recommending → the product presents a relevant, easy-to-explain dual-sided offer → the customer refers a qualified peer → the peer reaches the activation milestone → both rewards unlock and deepen product value → a good referred experience creates another credible advocate.
Preconditions
- A defined customer segment retains and expresses unsolicited willingness to recommend
- Customers can readily identify peers with the same problem
- A meaningful activation or purchase event occurs soon enough to gate rewards
- Identity, attribution, reward cost, and abuse controls can be implemented reliably
Anti-patterns
- Paying for clicks, email submissions, or accounts that never experience product value
- Launching incentives to compensate for weak retention or an unremarkable customer outcome
- Offering cash so large that professional referrers and self-referrals overwhelm genuine advocacy
- Hiding eligibility, attribution windows, or reward timing until after customers refer
Solo-founder translation
Each week, ask ten recently successful customers who else faces the same problem, then offer a simple dual-sided product credit only after the invitee completes the activation milestone. Manually review early referrals, speak with both sides of failed conversions, and tighten eligibility before automating payouts. Measure eligible customers who share, referred visitor-to-activation rate, reward cost per retained referred customer, fraud rate, and day-30 retention versus non-referred cohorts.
Activation-gated referral offer
Activation-gated referral offer
Customer-facing offer
Invite a colleague who is new to {{product_name}}. They receive a $20 account credit when they create an account through your link. When they complete and share their first project within 30 days, your $20 credit unlocks too.
[Copy your referral link] [Send an email]
Eligibility: one reward per new customer, up to five rewards per month. Existing accounts, self-referrals, duplicate payment methods, and cancelled or refunded projects do not qualify. Credits expire after 90 days and cannot be withdrawn as cash.
Referral email
Hi {{friend_first_name}},
I use {{product_name}} to {{specific_outcome}}. I thought of you because {{personal_reason}}.
This link gives you $20 toward your account. I receive the same only after you complete and share your first project, so there is no reward for simply signing up:
{{referral_link}}
If it is not relevant, no need to join.
— {{referrer_first_name}}
Event and status model
Store referrer ID, invitee ID, referral code, attribution timestamp, qualifying-event timestamp, review status, reward value, and abuse signals. Never key eligibility on email alone.
Weekly controls
View raw markdown
# Activation-gated referral offer
## Customer-facing offer
**Give $20, get $20 after their first completed project.**
Invite a colleague who is new to {{product_name}}. They receive a $20 account credit when they create an account through your link. When they complete and share their first project within 30 days, your $20 credit unlocks too.
[Copy your referral link] [Send an email]
Eligibility: one reward per new customer, up to five rewards per month. Existing accounts, self-referrals, duplicate payment methods, and cancelled or refunded projects do not qualify. Credits expire after 90 days and cannot be withdrawn as cash.
## Referral email
Subject: $20 toward your first {{product_job}}
Hi {{friend_first_name}},
I use {{product_name}} to {{specific_outcome}}. I thought of you because {{personal_reason}}.
This link gives you $20 toward your account. I receive the same only after you complete and share your first project, so there is no reward for simply signing up:
{{referral_link}}
If it is not relevant, no need to join.
— {{referrer_first_name}}
## Event and status model
1. `eligible_referrer_viewed_offer`
2. `referral_link_shared`
3. `referred_account_created`
4. `invitee_activation_completed`
5. `referral_review_passed`
6. `invitee_reward_issued`
7. `referrer_reward_issued`
8. `reward_reversed` with a required reason
Store referrer ID, invitee ID, referral code, attribution timestamp, qualifying-event timestamp, review status, reward value, and abuse signals. Never key eligibility on email alone.
## Weekly controls
Review shared payment methods, devices, domains, rapid account creation, refund patterns, and unusually concentrated referrals. Compare day-30 retention and gross margin of referred customers with other cohorts; pause the offer if rewards buy activation without retained usage.