Ahrefs released the free Domain Rating API for website link authority assessment, which peaked at over 50M+/day back in July.

Ahrefs is the marketing platform built to keep your brand discoverable across search, AI, and the web. We support modern discovery end to end – from SEO to AEO – showing you how people search, what AI surfaces, and where your brand actually appears, so you can act on real demand, not assumptions. With Brand Radar, Ahrefs powers one of the largest AI visibility databases available today. The scale: • 239M+ total monthly prompts indexed • 162M+ AI Overviews prompts • 29M AI Mode prompts • 13M+ ChatGPT prompts • 13M+ Copilot prompts • Coverage across ChatGPT, Copilot, Gemini – plus Reddit, TikTok, and YouTube For over 15 years, we’ve been building one of the largest marketing data platforms in the world and turning that data into tools marketers rely on every day. With Ahrefs, you can research demand, analyze competitors, find content opportunities, track backlinks, monitor performance, and measure visibility across search and AI – all in one place. Ahrefs is trusted by teams worldwide, from fast-moving startups to 44% of the Fortune 500.