SparkLoop

Growth & NotesFree plan
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Our verdict: The best-known newsletter recommendation network. Earning from recommendations is low-risk; paying for referrals only makes sense once you know what a subscriber is worth to you.

Best for

Getting paid recommendations and buying cross-newsletter referrals

Pricing

Free to join the Partner Network and Upscribe recommendation widget (SparkLoop takes a share of paid-recommendation earnings). Paying other newsletters to recommend you is a separate paid program.

Source: official site + SparkLoop help center

Last checked

2026-10-18

Disclosure: We have no affiliate relationship with this vendor. StackKit is independent and not affiliated with Substack Inc. Spot an error? Email hello@stackkit.ink.

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See where SparkLoop fits in our 2026 growth guide →