AI Tools API
40+ ready-made endpoints — one input, a finished result.
The Tools API gives you 40+ ready-made endpoints that return a finished result from a single input — no prompt engineering. Perfect for adding a specific feature to your product fast.
How it works
POST https://api.larzos.com/v1/tools/{slug}
curl https://api.larzos.com/v1/tools/hashtag \
-H "Larz-Api-Key: larz_sk_your_key" \
-H "Content-Type: application/json" \
-d '{"input":"a launch post about a free AI writing tool"}'Browse the catalogue
List everything programmatically with GET https://api.larzos.com/v1/tools, or explore popular endpoints:
Hashtag Generator APIGenerate relevant, high-reach hashtags from any post or topic.Caption Generator APIWrite scroll-stopping social captions from a short description.Bio Generator APICreate short, memorable social-media bios.Business Name Generator APIGet brandable business and product name ideas.Slogan Generator APIGenerate catchy slogans and taglines.Ad Copy Generator APIWrite high-converting ad copy for any product.Cold Email Generator APIDraft cold emails that actually get replies.Email Writer APIWrite any professional email in seconds.Newsletter Writer APIDraft ready-to-send newsletters.Marketing Plan Generator APIBuild an actionable marketing plan from a goal.Video Script Writer APIWrite scripts for shorts and YouTube.SEO Meta Generator APIGenerate SEO titles and meta descriptions.Crypto Explainer APIExplain any crypto term simply and accurately.Tokenomics Summarizer APISummarize a token's economics in plain words.Code Helper APIGenerate clean code from a plain-English request.Regex Generator APITurn a description into a working regular expression.