Affiliate marketing from a link in bio comes down to one job: get someone from a platform that won't let them click out mid-scroll, to the product page that actually pays you a commission.


Instagram, TikTok, and YouTube Shorts all restrict outbound links inside posts and captions, which is exactly why link in bio became a category in the first place. Every affiliate link you're running, whether it's an Amazon Associates link, a ShareASale program, or a direct brand partnership, needs somewhere to live that isn't buried three taps deep in a platform's own interface.

Adding a link


On Constants, each affiliate link is added as a Social Link, the same building block used for your Instagram or YouTube profile. Paste the full affiliate URL in, give it a label if the platform's icon set doesn't already cover the brand, and it publishes as a clean button on your page instead of showing the raw tracking string in the URL bar. There's no separate affiliate mode to turn on, no plugin to install, and no approval process on the Constants side, since a plain external link is already the entire feature. The same applies whether you're running one program or juggling a dozen different affiliate relationships at once; each is just another link.

Ordering by what actually converts


Links on your page can be dragged into any order, and order matters more than most creators assume. The link at the top of a mobile screen gets seen by everyone who lands on the page; the fifth link down only gets seen by whoever scrolls that far, and plenty of visitors won't. If one affiliate program pays a meaningfully higher commission, or one product is simply the one your audience keeps asking about, that's the link that belongs at the top, not buried under five social icons and a booking link.

Watching what's working


Constants' Analytics tab tracks clicks on the links and products on a page. It won't tell you which specific affiliate network actually paid out, since that number lives in the affiliate dashboard itself, but it will tell you whether people are clicking a given link at all. That's the signal that tells you whether to keep a link where it is, move it up, or drop it for something your audience responds to more. Most link-in-bio tools charge extra for this kind of click data or bury it behind a paid tier; here it's part of every plan, free Starter included.

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What to skip


A few things that sound like affiliate best practices but aren't worth the setup time on a bio page: don't build a separate landing page per affiliate link, since the whole point of a link in bio is one page doing that job for everything at once. And don't run affiliate URLs through a third-party shortener before adding them, since Constants already turns the raw link into clean button text on the page; a separate shortener just adds a hop with nothing extra to show for it.

Getting the rest of the page right


Affiliate links work best on a page that also has something of your own to sell, since a page that's nothing but outbound links reads as a directory, not a creator's page. If the page itself isn't set up yet, the guide to making a free link-in-bio page that sells walks through the rest of it, and the full comparison of link-in-bio tools covers how Constants stacks up against the rest of the field if you're still deciding where to build this. Everything described here works on the free Starter plan; see the pricing page for what changes on Premium.

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