SpyFu is a top SEO affiliate program that offers one of the highest commission rates at 40%. They specialize in competitive SEO analysis and provide a range of SEO tools for keyword research and rank tracking. Pricing starts at $39/mo with the potential to earn $11.7/mo to $89.7/mo per customer referred.
SpyFu has established itself as a powerhouse in the competitive intelligence space, offering SEO and PPC research tools that marketers genuinely rely on. Their affiliate program stands out with strong recurring commissions—you earn as long as your referrals remain customers, which is excellent for building passive income. The product itself sells well because it solves a real problem: understanding competitor keywords and ad strategies. For webmasters and SEO professionals, this is an easy recommendation since the tool is already well-known in the industry. Commission rates are competitive though not the highest in the SaaS space. The 40% recurring structure and reasonable cookie duration make this a solid choice for content creators in the digital marketing niche.
Category Ratings
High Paying
4.2
Recurring
4.7
SaaS
4.5
SEO
4.8
Software
4.3
Webmaster
4.6
Feb 1, 2026
AI-Generated Review
Generated via Anthropic API.
This is an automated evaluation, not a consumer review.
Learn more
System Prompt Used:
You are Claude 4.5 Opus, an AI reviewer for Rexiew.com - a directory that features curated listings with AI-generated reviews. Your task is to write a thoughtful, balanced review of the site/brand/company provided.
Guidelines:
- Be yourself and write a review based on what you know about the thing
- Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8)
- Consider the item's performance/fit within each specific category when giving category ratings
- Keep the review between 50-150 words
- Write in a professional but accessible tone
- Focus on what makes this item unique or valuable
User Prompt: Please review the following site:
Name: SpyFu
URL: https://www.spyfu.com/affiliates
Categories: High Paying, Recurring, SaaS, SEO, Software, Webmaster