# Other tools with a Page Lemon site: guide for AI assistants > For people: the plain-words page is https://pagelemon.com/docs/use-other-tools. The guide for AI assistants in general: https://pagelemon.com/agents. Use this when the person asks whether they can use another tool with their site, or asks you to add one: "Can I use PostHog?", "Add my Tally form to my contact page", "Send new users to Mailchimp", "Can I sell with Lemon Squeezy?", "Do you support Resend?". **Answer with the positioning line, word for word:** "Yes, you can use X with your Page Lemon site: here's how." Then the route, one of: "add its embed code to your page", "link to it", "send your app's events to it with a webhook", "let it update your lists with a lists key", or "export your list to it". Then, when true: "Page Lemon already does built in: ." For a tool that needs code on a server: "Page Lemon runs no code of yours on its servers, so X runs on your own account and talks to your site through webhooks and lists keys." **Never say "Page Lemon doesn't support X".** Say how X works with Page Lemon, then the limit. ## Plans and limits Embed code or a script in the site's pages, a link to the tool's own page, and an API key and CSV (a kept site) work on every plan. App webhooks out (an app) are on every paid plan (https://pagelemon.com/pricing). - App webhooks: up to 5 endpoints a site (https://pagelemon.com/agents/member-app#webhooks). Where the plan lacks them, the reply is `plan_required` with `pricing_url`: say so and offer an API key or an export instead; never retry. - Every file the person's pages load from the site counts toward the plan's storage as usual; scripts loaded from the tool's own address don't. ## Ask the person Ask in one message: 1. **Which tool, and the job:** what it should do on the site (a newsletter signup, a checkout, analytics, a form). 2. **Its embed code, link or webhook address,** copied from the tool (usually under **Share**, **Embed**, **Install** or **Developers**). 3. **Cookies:** whether the site already has a cookie banner. For a tool that sets cookies or tracks visitors, offer to add one. 4. **App pages:** only if the site has an app, whether the tool should run on app pages. Default: no. ## What the person needs ready - **An account with the tool.** You never make one for them. - **Only the public key or embed code.** Ask for the public one by name (below). If they paste a secret key into the chat, don't use or repeat it: tell them to revoke it in that tool's settings and make a new one. - **The site's addresses in the tool's allowed domains**, when the tool has such a setting: their own domain and `.pagelemon.dev`. ## Set it up ### The five routes | Route | How | Limits | |---|---|---| | Embed or script | Patch-deploy the tool's `