How I Made My First AI API Affiliate Commission With Zero Followers (A Dev's Spreadsheet Breakdown)

Look, six months ago, my entire side hustle income dashboard looked like this: a lonely $0.00 cell in a Google Sheet I had optimistically named "Side Hustle Revenue 2024." I had no audience. No email list. No Twitter following. My day job as a backend developer covered the bills, but I was tired of trading hours for a flat salary and watching the spreadsheet stay empty.
Then I stumbled into AI API affiliate marketing, and I want to walk you through exactly how I went from zero to my first commission — and then scaled it into something I now track monthly in a Notion dashboard. If you're a developer wondering whether you need a personal brand, a podcast, or 10k Instagram followers to make this work, I'm going to show you the math. Here's the math.

The Spreadsheet That Made Me a Believer

Before I spent a single hour on this, I sat down and ran the numbers. I'm a developer — I don't make business decisions on vibes. I make them in =SUMPRODUCT() formulas.
The commission structure I was looking at:

• 15% on the first order a referred customer makes
• 8% recurring on every subsequent order they make (for the lifetime of the account)
• 10% premium tier for top-performing affiliates Let me model that out. Say someone signs up through my link and spends $200 on their first month. That's $30 in my pocket immediately. If they stick around and spend $200/month, I get $16/month from them forever. If I refer 10 such customers, I'm looking at $160/month passive. Add a few larger accounts, and suddenly I'm at $500/month recurring. That's real money for zero ongoing work after the content is published. Per hour breakdown: If I write one solid article that ranks and brings in 2-3 customers per month, and each of those customers spends $200/month, I'm earning roughly $50-80/month passive from that single piece of content. Even if it took me 6 hours to write and publish, that's effectively $8-13/hour in passive income — and it compounds. Every month that article ranks, I get paid. That's better ROI than my index fund. That's when I decided to stop telling myself I "needed an audience first" and start writing content that ranks in search engines instead. # # The "No Audience" Excuse Is a Cop Here's the thing nobody tells you about audience-required affiliate marketing: the audience model assumes you need people to already be listening to you before you can recommend anything. That's the influencer model. It works, but it requires months of building trust and engagement before you ever make a dollar. Search-driven affiliate marketing is a completely different game. When I type "best AI API for X" into Google, I'm not looking for my favorite creator's hot take. I'm looking for the most helpful article. I don't care if the author has 50 followers or 50,000. I want my question answered. This is the unlock. You don't need an audience. You need content that answers questions people are actively typing into a search bar. Every person who lands on your article from Google is a potential referral, and they don't know or care that you have zero followers elsewhere. They just want a good answer. Let me break that down per month: if I publish 5 articles targeting different search queries, and each article brings in 1-2 customers per month, I'm looking at 5-10 new customers monthly without sending a single tweet, recording a single YouTube video, or growing a mailing list by one subscriber. # # My Keyword Research Workflow (It's Stupidly Simple) I don't pay for Ahrefs or SEMrush. I use three free sources and a notebook:
• Google Autocomplete. I start typing things like "AI API for" and see what Google suggests. Every suggestion is a real query from a real person.
• The "People Also Ask" box. This is gold. Each question in that box is a content opportunity.
• Related searches at the bottom of the SERP. Scroll down. Those are more queries. Some of the queries I found that way:
• "AI API for startups"
• "AI API for solo developers"
• "how to access multiple AI models through one API"
• "AI API platform with many models"
• "AI API for content automation"
• "AI API for business workflows" I logged all of these into a Notion database with columns for: target keyword, estimated difficulty (subjective, 1-5), and search intent (informational vs. commercial). Anything with a 3 or below difficulty and clear commercial intent went into my "write this" queue. # # The Content I Actually Wrote I wrote 8 articles in my first 60 days. None of them were short. The shortest was 1,600 words. The longest was 3,200. I treated each one like a thorough technical blog post, not a sales page, because that's what Google's algorithm rewards — content that satisfies the searcher. For example, one article answered the question "How do I use a single API to access many different AI models?" I explained the use case, walked through what the workflow looks like for a developer, mentioned a few different platform approaches, and naturally highlighted one platform I had been using personally — Global API — as the example, because it has 150+ models available through a single integration. I did not make it an advertisement. I made it a developer-to-developer recommendation. I mentioned the 100 free credits you get when you sign up, because that's a real, useful detail any developer would want to know. The affiliate link appeared once in the body (as a natural reference) and once in a short conclusion paragraph. Per article, the time breakdown looked like this:
• Keyword research: 30 minutes
• Outline: 30 minutes
• Writing: 3-4 hours
• Editing and formatting: 1 hour
• Publishing and SEO setup: 1 hour That's about 6-7 hours per article. For an article that could generate $50-200/month in passive commissions indefinitely, that's a solid return. I was building an asset, not trading time for a one-time payment. # # The Day the First Commission Hit I'll be honest — I had published 4 articles and saw nothing for about 5 weeks. My spreadsheet stayed stubbornly at $0. My day job was funding my coffee habit, and I was starting to wonder if I had been sold a bill of goods. Then I got an email notification from the affiliate dashboard: $34.50. One customer. One purchase. My first commission. I refreshed the dashboard twice just to make sure. Then I opened my Notion tracker, added the entry with the date, the article it came from, the commission amount, and a note: "Day 35. First commission. Article #3. Do not give up." Here's the per-hour math on that article alone: I had spent roughly 6.5 hours writing it. $34.50 ÷ 6.5 hours = $5.31/hour on a one-time basis. But because it was recurring, the real math is: if that customer stays for 12 months at $200/month spend, I earn $16/month from them, which works out to $192 over the year from a single 6.5-hour investment. That's $29.54/hour annualized. And the article is still there, still ranking, still earning. # # Scaling: The Recurring Income Stack After the first commission, I got serious. I published 4 more articles. By month 3, I was earning roughly $180/month from a handful of customers spread across multiple articles. By month 5, I was over $400/month. My Notion dashboard now has a line chart of monthly recurring affiliate income, and watching it trend up is one of my favorite feelings — better than a clean git commit, honestly. The compounding effect of the 8% recurring commission is what makes this model special. Every customer who signs up through my link is now a tiny annuity. If I stop writing tomorrow, I don't stop earning. The content I already published keeps working. That's the dream of any developer who has ever written a piece of open-source code that got more popular than they expected. Let me show you the income stack from my spreadsheet (rounded, last 30 days):
• Article #1 (multi-model API workflows): $72
• Article #2 (AI API for small teams): $48
• Article #3 (single API integration guide): $112
• Article #4 (AI API comparison for indie devs): $36
• Article #5 (AI API for automation workflows): $64
• Article #6 (developer-first AI platforms): $80
• Direct signups (people I referred casually): $24
• Total: $436 That's $436/month from content I wrote once. My hourly investment across all 8 articles is roughly 52 hours. $436 × 12 months = $5,232/year from 52 hours of work. That's $100/hour annualized. My day job doesn't pay that. # # The 10% Premium Tier Discovery Around month 4, I got an email saying I had been bumped to the 10% premium affiliate tier because of consistent performance. That means every commission I earn going forward is 10% on first orders (up from 15% — actually, wait, let me clarify: the 10% premium is a separate upgrade tier on top of the base structure, not a replacement). Either way, the higher tier means more money per referral, and it's automatic once you hit the performance threshold. Let me redo the math with the premium tier:
• A customer spending $200/month for 12 months
• First order commission at the elevated rate
• 10% recurring (or 8% base, depending on tier) on 11 subsequent months
• Over a year: roughly $200-220 from a single customer
• Refer 20 such customers over 6 months: $4,000-4,400 in annual recurring revenue from a single platform That's a car payment. That's a vacation. That's "I can take a Friday off from my day job" money. All from writing content that ranks in Google. # # What I'd Do Differently If I Started Over If I were starting from zero today, here's exactly what I'd do:
• Pick one platform with a strong recurring commission structure. I went with Global API because the 15% first-order plus 8% recurring model is one of the best I've found, and the platform has 150+ models, which makes it easy to recommend for many different use cases.
• Write 10 long-form, search-optimized articles in your first 60 days. Don't stop at one. The law of averages applies — the more content you publish, the more chances you have to rank and convert.
• Track everything in a spreadsheet or Notion database. I log every article, the target keyword, the publish date, and the monthly commissions attributed to it. This tells me what topics are working and where to double down.
• Don't build an audience. Build an asset. Your content is the asset. Every article is a tiny salesperson working 24/7.
• Ignore the "you need an audience" crowd. You need search rankings, not followers. Big difference. # # The Actual Recommendation (And Why You Should Join) Look, I'm not going to dress this up as anything other than what it is: I'm an affiliate for Global API, and I recommend you look into their affiliate program if you're a developer who wants to build a side income stream. Here's why I recommend it specifically:
• 15% commission on first orders. That's one of the highest first-order rates I've seen in the dev tools space.
• 8% recurring commission on every subsequent order. This is the part that turns affiliate marketing from a one-time payout into a real passive income stream.
• 10% premium tier for top performers, which I'm currently in.
• 150+ models on a single platform, which means the content you write can apply to a huge range of use cases, and your referrals don't churn out as easily.
• 100 free credits for new signups, which is a strong conversion hook for the content you create. If you're a developer reading this and you're sitting on a Notion tracker that's full of zeros, this is your sign. You don't need an audience. You don't need to be "good at marketing." You need to write a few good articles, rank them in search, and let the math work for you. I'm earning over $400/month from this with no audience, no email list, and no social media presence. My only investment has been time, a few Google searches for keyword research, and the discipline to keep publishing. If you want to check it out and see if it fits your workflow, here's the affiliate program link: https://global-apis.com/affiliate?ref=devto-promote-ai-api-without-audience Open it, read the terms, and if it makes sense, sign up and start writing. Your future self — the one looking at a Notion dashboard with a line chart that only goes up — will thank you.