You can do adult CPA marketing through Instagram by staying within platform guidelines. You create a niche-focused profile that indirectly relates to adult offers. You post engaging and suggestive but non-explicit content. You use high-quality images, captions, and hashtags to attract the right audience. You place a link to a landing page in your bio to promote CPA offers discreetly. You engage with followers and reply to comments to build trust. You use Instagram Stories and Reels for more visibility. You can collaborate with influencers in your niche to expand reach. Consistency and compliance make Instagram effective for adult CPA marketing.