# AffiliateOS > AffiliateOS is an offer platform where advertisers pay per install, per in-app event or a percent of each sale, publishers run 10,000+ offers in apps, on sites and in newsletters, and networks run their own publishers on the same tracking from $500 a month. Founded 2025, headquartered in Atlanta. Built by founders who built rewarded apps and offer networks before this. Contact: hello@affiliateos.ai ## Start here - [Publishers](https://www.affiliateos.ai/publishers): four ways to run offers. Publisher access is by request. - [Advertisers](https://www.affiliateos.ai/advertisers): pay at install, a percent of each sale, or per level or in-app event. Campaigns are self-serve. - [Networks](https://www.affiliateos.ai/networks): your own publishers, rates and offers on our tracking. - [Pricing](https://www.affiliateos.ai/pricing): Publishers and advertisers pay nothing to join. Advertisers pay per install, per event or a percent of each sale from a prepaid balance. The network plan starts at $500 a month. - [Revenue calculator](https://www.affiliateos.ai/revenue-calculator): an estimate, in dollars. ## Products - [Offer API](https://www.affiliateos.ai/product/offer-api): One call to GET /publisher/offers returns every CPI and CPA offer your account can run, with your payout, every step and a tracking link. JSON, no SDK. - [Top Offers Feed](https://www.affiliateos.ai/product/top-offers-feed): Our team's picks plus the offers that converted most in the last 30 days, already in order, at your payouts. One parameter on the Offer API. - [Hosted Offerwall](https://www.affiliateos.ai/product/offerwall): An offerwall we host for your iOS, Android or web app. Add your player's ID to one link or iframe, and the wall shows offers for their phone in your currency. - [Offer Links](https://www.affiliateos.ai/product/offer-links): Tell us your audience. In a shared Slack channel, our team picks offers with you and sends a link for each. Get an email when one changes or stops. - [Click Tracking](https://www.affiliateos.ai/product/tracking): Your user ID and up to ten values of your own go on the link. We check every tap before the advertiser sees it, and postbacks return your values for 90 days. - [Postbacks](https://www.affiliateos.ai/product/postbacks): Server-to-server postbacks: a signed GET to your URL for every credit and reversal. Check the signature in a few lines and test before traffic. - [Fraud Defense](https://www.affiliateos.ai/product/fraud): How AffiliateOS checks every tap, rejects farm accounts and reverses pay on bad installs, with a reason and an end date on every rejected user. - [Reporting](https://www.affiliateos.ai/product/reporting): Trace any AffiliateOS conversion from the tap to your server's reply. See Offer Health verdicts, how far players get and who was turned away, then export it. - [Payouts](https://www.affiliateos.ai/product/payouts): How AffiliateOS pays publishers: paid at install or per step, one payout number from the offer list to the postback, and dashboard totals net of reversals. ## Publisher use cases - [Rewarded apps](https://www.affiliateos.ai/publishers/use-cases/rewarded-apps): Run offers in your rewarded app's own currency: the Hosted Offerwall, the Top Offers Feed or the Offer API. We pay per conversion and send a signed postback. - [Mobile games](https://www.affiliateos.ai/publishers/use-cases/mobile-games): The Hosted Offerwall in your game's soft currency, opened from your store tab. Players earn gems by trying other games; install offers pay you once, at install. - [Survey and research panels](https://www.affiliateos.ai/publishers/use-cases/survey-panels): Give panel members offers after a screen-out or when surveys run dry, paid in your own points, by Top Offers Feed or Hosted Offerwall. We don't supply surveys. - [Loyalty and cashback](https://www.affiliateos.ai/publishers/use-cases/loyalty-and-cashback): Add app and sign-up offers to your loyalty program, paid in your own points. Advertisers pay for each action, and your list is approved one offer at a time. - [Banking and fintech apps](https://www.affiliateos.ai/publishers/use-cases/banking-and-fintech): Put brand-paid offers inside your banking app's rewards tab through the Offer API. Members earn cash back or points, and we agree each offer with you first. - [Offerwall platforms](https://www.affiliateos.ai/publishers/use-cases/offerwall-platforms): Pull every offer your account can run through the Offer API, pass your own IDs in sub1 to sub10 and serve tracking links from a subdomain you own. - [Media sites and blogs](https://www.affiliateos.ai/publishers/use-cases/media-sites): Tracked links for the apps your site already writes about. We agree a shortlist of offers that allow content traffic and send one tracking link for each. - [Comparison and review sites](https://www.affiliateos.ai/publishers/use-cases/comparison-sites): One tracking link per row in your comparison tables. Product details come from the advertiser, and new offers arrive in your Slack channel. - [Email newsletters](https://www.affiliateos.ai/publishers/use-cases/newsletters): Sponsored offers for your newsletter, approved for email, one tracking link each. Tag each send in sub1 and it comes back on the postback for every conversion. - [Media buyers](https://www.affiliateos.ai/publishers/use-cases/media-buyers): Per-offer tracking links for search, social and native buyers. Your tracker's click ID and up to ten of your values come back on a signed postback. ## Advertiser verticals - [Mobile games](https://www.affiliateos.ai/advertisers/verticals/mobile-games): Mobile game user acquisition on CPI or CPE. Pay for the install, each level and the first purchase at prices you set. Test events are free. - [Rewarded and earning apps](https://www.affiliateos.ai/advertisers/verticals/rewarded-apps): Rewarded app user acquisition priced on the install, the first completed offer and the first cash-out. You set each price, and test events are free. - [Banking, investing and credit](https://www.affiliateos.ai/advertisers/verticals/finance): Fintech user acquisition priced on a funded account, a direct deposit or an approved application. Your disclosures stay on your page, and test events are free. - [Lifestyle and consumer apps](https://www.affiliateos.ai/advertisers/verticals/lifestyle-apps): For retail, delivery and booking apps: pay a set price per first order or booking, or a percent of each sale. Test events are free. - [Subscriptions and streaming](https://www.affiliateos.ai/advertisers/verticals/subscriptions): Subscription app user acquisition. Pay when a trial starts, or wait and pay on the first paid month. Renewal terms stay in your checkout. Test events are free. - [Casinos and sweepstakes](https://www.affiliateos.ai/advertisers/verticals/casinos-and-sweepstakes): User acquisition for social and sweepstakes casinos. Price the install, spins and purchases, or one first purchase or deposit. Age checks stay yours. - [DFS and sports betting](https://www.affiliateos.ai/advertisers/verticals/sports-betting): Sportsbook and DFS user acquisition. Track the sign-up for $0 and pay on the first deposit, paid entry or bet. Your location and age checks decide who plays. - [Market research panels](https://www.affiliateos.ai/advertisers/verticals/research-panels): Recruit panelists and pay on retention. Price the sign-up, the install and day 15 on their own, and put most on panelists who stay. Test events are free. ## Comparisons - [All comparisons](https://www.affiliateos.ai/compare): Side-by-side pages for the comparisons publishers and advertisers search, from Impact vs CJ to Tapjoy vs Digital Turbine. Every fact sourced and dated. - [Impact vs CJ](https://www.affiliateos.ai/compare/impact-vs-cj): Impact vs CJ for brands and publishers: prices, contracts, joining and offers, each fact sourced. Plus an offer network with no monthly fee for advertisers. - [Awin vs CJ](https://www.affiliateos.ai/compare/awin-vs-cj): Awin vs CJ for brands and publishers: prices, terms and joining, with sources. What changed for former ShareASale users, and where an offer network fits. - [Awin vs Impact](https://www.affiliateos.ai/compare/awin-vs-impact): Awin vs Impact side by side: monthly fees, the fee on each conversion, contracts and joining, from their own pages. Plus an option with no advertiser plan fee. - [AppLovin vs Unity](https://www.affiliateos.ai/compare/applovin-vs-unity): AppLovin vs Unity for app marketers: what each bills for, minimums, setup and what changed with ironSource Ads in 2026. Plus an option that bills per event. - [AppLovin vs Moloco](https://www.affiliateos.ai/compare/applovin-vs-moloco): AppLovin vs Moloco for app marketers: billing units, minimums, sign-up and reporting, from their own docs. Plus an option that charges per event you price. - [Moloco vs Liftoff](https://www.affiliateos.ai/compare/moloco-vs-liftoff): Moloco vs Liftoff Mobile for app marketers: billing, minimums, setup and invalid traffic, from their own docs and filings. Plus an option that bills per event. - [Tapjoy vs Digital Turbine](https://www.affiliateos.ai/compare/tapjoy-vs-digital-turbine): Tapjoy vs Digital Turbine (Fyber) for app developers and advertisers: setup, SDKs, billing and source controls, from their docs. Plus an offerwall with a public API. - [CPAGrip vs CPAlead](https://www.affiliateos.ai/compare/cpagrip-vs-cpalead): CPAGrip vs CPAlead for site and app owners: tools, lockers, approval, postbacks and reversals, from their own pages. Plus a network for signed-in users. ## Docs - [Help Center index](https://www.affiliateos.ai/help/llms.txt): every help article, each also plain Markdown at its .md address. - [Developer docs](https://www.affiliateos.ai/help/developers): hosts, keys, request and response samples. - [Glossary](https://www.affiliateos.ai/glossary): Plain definitions of the terms behind offers and app installs, from CPI and offerwall to postback URL, click ID and sub ID. - [Changelog](https://www.affiliateos.ai/changelog): Changes AffiliateOS customers can see, newest first: dated entries for publishers, advertisers and networks, plus an RSS feed to follow along. - [Changelog feed](https://www.affiliateos.ai/changelog.xml) ## Glossary terms - [What is an offerwall?](https://www.affiliateos.ai/glossary/offerwall): An offerwall is a screen in an app or site that lists offers a user can complete for a reward. How it works, who pays whom and what to check on iOS. - [What is a postback URL?](https://www.affiliateos.ai/glossary/postback): A postback URL is an address on your server that gets a request when a conversion happens. How it works, what it carries and how it differs from a pixel. - [What is S2S tracking?](https://www.affiliateos.ai/glossary/s2s-tracking): Server-to-server (S2S) tracking sends conversions from one server to another instead of a browser pixel. How it works, why it holds up and both directions. - [CPI meaning: what is cost per install?](https://www.affiliateos.ai/glossary/cpi): CPI means cost per install, what an advertiser pays for each app install. The formula, a worked example and why no single CPI counts as a good one. - [CPA meaning: what is cost per action?](https://www.affiliateos.ai/glossary/cpa): CPA means cost per action, what an advertiser pays for one defined action, such as a sign-up or a purchase. The formula, an example and how it differs from CPE. - [CPE meaning: cost per event or engagement](https://www.affiliateos.ai/glossary/cpe): CPE means cost per event, often called cost per engagement. How it differs from CPI, CPA and percent of sale, with one table and a worked example. - [EPC meaning: earnings per click explained](https://www.affiliateos.ai/glossary/epc): EPC means earnings per click, your total earnings divided by your clicks. The formula, a worked example and why no single EPC counts as a good one. - [CVR meaning: conversion rate](https://www.affiliateos.ai/glossary/cvr): CVR means conversion rate, the share of clicks that turn into conversions. The formula, a worked example and what to check when yours drops. - [What is a tracking link?](https://www.affiliateos.ai/glossary/tracking-link): A tracking link is the URL a user taps to start an offer. It records the click, carries your IDs and credits the conversion to you. How it works. - [What is a click ID?](https://www.affiliateos.ai/glossary/click-id): A click ID is a unique ID for each tap on a tracking link, so a later install or event can be matched back to it. And how it differs from a sub ID. - [What is a sub ID?](https://www.affiliateos.ai/glossary/sub-id): A sub ID is your own value on a tracking link, usually your user's ID. It comes back on the postback, so you know whom to credit. How it works, with an example. - [What is an MMP?](https://www.affiliateos.ai/glossary/mmp): An MMP, or mobile measurement partner, is the tool an app uses to decide which installs came from which source. What it does and how events get forwarded. - [What is mobile attribution?](https://www.affiliateos.ai/glossary/attribution): Mobile attribution works out which click led to an install or in-app event. How matching works, what an attribution window is and what happens with no match. - [What is incentivized traffic?](https://www.affiliateos.ai/glossary/incentivized): Incentivized traffic is users who finish an offer for a reward from the app they found it in. How it differs from non-incentivized traffic and what each suits. - [What is the Play install referrer?](https://www.affiliateos.ai/glossary/install-referrer): The Play install referrer is a value Google Play hands an Android app after install, so the app can tell which link sent the user. How to read it. - [What is App Tracking Transparency?](https://www.affiliateos.ai/glossary/att): App Tracking Transparency is Apple's rule that iPhone apps must ask before tracking users across other companies' apps. What it means for installs and rewards. - [What is a CPA network?](https://www.affiliateos.ai/glossary/cpa-network): A CPA network connects advertisers who pay per action with publishers who send traffic. How one works, how it differs from an affiliate network, what to check. - [What is user acquisition?](https://www.affiliateos.ai/glossary/user-acquisition): User acquisition is how an app pays to win new users, through ad networks, offerwalls and affiliates. How it works, what to measure and where each channel fits. - [What is install fraud?](https://www.affiliateos.ai/glossary/install-fraud): Install fraud is fake or stolen installs that an advertiser ends up paying for. How device farms and click farms work and what catches them. ## Files for AI coding assistants - [Publisher API](https://www.affiliateos.ai/ai/publisher.md): Offer API, Top Offers Feed, Hosted Offerwall, postbacks. - [Advertiser integration](https://www.affiliateos.ai/ai/advertiser.md): server-to-server events, no SDK. - [Network API](https://www.affiliateos.ai/ai/network.md): your offers and links, your publishers. ## Company - [Security](https://www.affiliateos.ai/security): How AffiliateOS signs postbacks, hashes API keys, masks channels for advertisers and handles click data, checked against our code on 29 October 2026. - [Contact](https://www.affiliateos.ai/contact): Apply as a publisher, ask about a campaign or request a network demo. Every message goes straight to the AffiliateOS team, and we reply by email. - [Media kit](https://www.affiliateos.ai/media-kit): The AffiliateOS media kit: the wordmark and app icon, brand colors, type, product screenshots and the words to describe us at three lengths. - [Terms](https://www.affiliateos.ai/terms): The terms for using AffiliateOS: accounts, acceptable use, fees and payouts, your data, liability, governing law and how we change these terms. - [Privacy](https://www.affiliateos.ai/privacy): What AffiliateOS collects, how we use and share it, how long we keep it, how we protect it and the rights you have over your personal information.