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description=Puter.js is the backend for AI-generated apps. Use your existing AI coding tool to build production-ready apps with up to 90% fewer AI tokens. Auth, cloud storage, database, OpenAI, Claude, Gemini, Grok, Kimi, DeepSeek, and more, all through a single JavaScript library. No API keys. Zero setup.;

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puter js the backend for ai generated apps try in ai builder start building platform ai gateway one api all ai models database fast nosql database storage scalable cloud file system auth user authentication accounts serverless workers run code serverless peer real time communication networking tcp ip in the browser hosting instant static site hosting resources documentation tutorials code playground blog showcase open source docs pricing blog ship a full stack app with one prompt copy this prompt into your ai coding agent or open it in one below give this to your ai create a to do list app using puter js try in claude code codex claude openai cursor lovable coding manually see the guide the backend for ai generated apps a safe production ready backend for ai built apps with auth storage database ai gateway and more give this to your ai create a to do list app using puter js try in claude code codex claude openai cursor lovable every api your app will need perfected for ai coding every powerful api needed to ship any app imaginable a small consistent syntax that llms use correctly every time 100 serverless and keyless by design scalable secure and production ready out of the box ai gateway 500 models from openai claude gemini grok and more auth storage database a serverless nosql database ready instantly serverless workers run backend logic on demand with zero infrastructure networking peer give your ai coding agent insane efficiency up to 90 fewer ai tokens up to 12 less code up to 97 fewer mistakes ai tokens to build a to do app puter js most efficient 0k supabase 0k vercel 0k firebase 0k aws 0k results may vary based on settings models and prompts ai coding security issues finally solved no api keys in your frontend or backend nothing to leak steal or rotate every request is authenticated and scoped to the signed in user built in sandboxing permissions rate limiting anti abuse and more your frontend puter security layer verified response here s your answer your app com no api keys anywhere await puter ai chat prompt here s your answer nothing to leak or steal every request authenticated scoped to user rate limited abuse filter blocked 500 ai models bot traffic credential stuffing intrusion attempts ddos attacks bot traffic trusted worldwide you re in good company 80k developers 130k apps powered 400k installations explore the showcase frequently asked questions what is puter js puter js gives your ai generated app a safe scalable production ready backend it is a revolutionary serverless keyless javascript sdk that brings powerful cloud and ai capabilities directly to the frontend code puter js is powered by puter the open source internet computer what makes puter suitable for ai generated apps ai can build complete working apps with puter js in a single shot because there is nothing to configure there are no api keys to obtain no servers to provision and no sdk setup so the ai never has to pause to ask you for credentials or generate backend code that you then have to deploy puter js is keyless and serverless by design auth cloud storage databases and 500 ai models are all available from a single script tag and its small consistent api is easy for language models to use correctly puter even publishes an llms txt so ai tools can read the full api in one request and with the user pays model ai generated apps scale to any number of users without you paying for infrastructure is puter js only for ai generated apps no puter js is a general purpose backend sdk and it is a great fit whether your code is written by an ai or entirely by hand any web app that needs auth cloud storage a database or ai models can use it the same things that make puter js easy for ai to use no api keys no servers and a small consistent api make it just as pleasant for developers writing every line themselves which ai agents can use puter js to build apps all of them puter js works with every ai coding assistant agent and vibe coding platform including claude code codex cursor github copilot google ai studio v0 bolt lovable and others there is no special integration or plugin to install when you ask the ai to build an app simply tell it to use puter js use puter js more info if needed https docs puter com llms txt because puter js needs no api keys or setup and is plain frontend javascript any agent that can write html and javascript can produce a working app how much does puter js cost whether one user or a million apps built on puter cost the developer nothing to run puter introduces a groundbreaking approach to infrastructure costs called the user pays model in which users pay for their own usage here is how it works every user once authenticated gets their own allocated resources storage database ai credits etc as part of their account apps tap into the user s pre allocated resources rather than requiring separate infrastructure if a user exceeds their resources they pay puter directly for the overage developers pay 0 for infrastructure regardless of user count this model means developers don t need to provision or pay for separate infrastructure for their apps regardless of how many users they have can i use puter js with other frameworks absolutely puter js can be integrated with any modern javascript framework or library including react next js vue angular svelte astro and others ship a full stack app with one prompt give this to your ai create a to do list app using puter js try in claude code codex claude openai cursor lovable coding manually see the guide puter developer 2026 puter technologies inc all rights reserved platform puter com ai gateway storage database hosting serverless workers networking peer auth image generation video generation text to speech speech to text voice changer ocr api resources tutorials docs blog playground ai models ai providers community github x mastodon npm showcase ai builder camera cap table notepad voice recorder audio editor memos view all company pricing 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