The first legal AI API
Hey HN, Over the past couple months, we, a team of Aussie legal and AI experts, have been working on building a new type of legal AI company — a company that, instead of trying to automate legal jobs, is trying to automate legal tasks. We want to make lawyers’ lives easier, not replace them. We’ve been laser-focused on building small and efficient yet still highly accurate, specialized models for some of the most time-consuming and mundane legal tasks lawyers have to perform. Stuff like running through a thousand contracts just to locate any clauses that would allow you to get out early. We…
The first legal AI API launched on March 9, 2025 with 5 votes and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Get started with Isaacus in minutes. Make your first API request and build legal AI using our embedding, reranking, extraction, and classification models.
Follow this short guide to get up and running with the Isaacus API by embedding your first query and document with Kanon 2 Embedder , the world’s most accurate legal embedding model. If you’re looking to perform tasks other than embedding with the Isaacus API such as enrichment and reranking , follow the first two steps of this guide to set up your account and API client, and then check out the capabilities section of our documentation for information on how to use our API for those tasks. Once signed up, add a payment method to claim your free credits . Don’t worry, there’s no fee for having an account—all of our products are charged solely based on usage. Make sure to keep your API key…from docs.isaacus.com
In the maker’s words, at launch
Hey HN, Over the past couple months, we, a team of Aussie legal and AI experts, have been working on building a new type of legal AI company — a company that, instead of trying to automate legal jobs, is trying to automate legal tasks. We want to make lawyers’ lives easier, not replace them. We’ve been laser-focused…
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