Sutrena is the web runtime for AI agents. Three primitives — pages, forms, dashboards — any agent creates with one API call. Framework-agnostic. Works from Claude Code, Cursor, LangGraph, CrewAI, or any HTTP client.

How do I get started with Sutrena?

POST /api/trial to get an instant API key — no signup required. Then POST /api/forms with a template ID to create a hosted form with a matching dashboard in one call.

Does Sutrena support AI agents?

Yes. Sutrena includes 48 MCP tools for Claude Code, Cursor, and any MCP client. It also provides a full REST API, OpenAPI spec, llms.txt, and agent-optimized error messages.

How much does Sutrena cost?

Free: 10 projects, 500 submissions/form, 50MB storage. Builder: $9/month for 50 projects, 5,000 submissions/form, CSV export, upsert API. Pro: $29/month for 200 projects, unlimited submissions. Scale: $79/month for unlimited everything.

Can I embed Sutrena forms on my website?

Yes. Use the 2-line embed snippet or build a custom HTML form that POSTs JSON to the submit URL. Works with Framer, Webflow, WordPress, and any HTML site.

What happens to my data after the trial expires?

Unclaimed trial data is deleted after 24 hours. Visit the claimUrl to sign in with GitHub or Google and keep your data permanently. Or upgrade to Builder, Pro, or Scale.

Does Sutrena support webhooks?

Yes. Register webhook URLs to receive form submission events with HMAC-SHA256 signatures. Supports Slack and Discord payload templates, field mapping, and automatic retry with failure tracking.

Guides/How to set up a custom subdomain

How to set up a custom subdomain

Your pages at alice.sutrena.com. One API call.

Updated March 2026

Custom subdomains give your Sutrena pages clean, branded URLs. Instead of sutrena.com/p/my-page, your users see alice.sutrena.com/my-page. Available on all plans.

1. Choose your subdomain

Pick a name 3-30 chars, lowercase alphanumeric + hyphens.

curl -X PUT https://sutrena.com/api/account/subdomain   -H "Authorization: Bearer $KEY"   -H "Content-Type: application/json"   -d '{"subdomain": "alice"}'

2. Create and publish pages

Your pages are now accessible at alice.sutrena.com/slug.

curl -X POST https://sutrena.com/api/pages   -H "Authorization: Bearer $KEY"   -H "Content-Type: application/json"   -d '{"slug": "about", "title": "About Us", "html": "<h1>About Alice</h1>"}'

3. Visit your page

Open alice.sutrena.com/about in your browser. Your page is live.

FAQ

Can I change my subdomain?

Yes, PUT /api/account/subdomain again with a new name.

Are subdomains free?

Yes, available on all plans.

Documentation →Multi-page subdomain sites →Custom domains with CNAME →Deploy a page via API →Upload static assets →

What is Sutrena?

Sutrena is the web runtime for AI agents. Three primitives — pages, forms, and dashboards — accessible through one API. Your agent creates web artifacts, humans interact with them, and your agent gets the data back. Framework-agnostic. Works from any MCP client or HTTP client.

Get started in two API calls

1. Get a trial key (no auth, no signup)

curl -X POST https://sutrena.com/api/trial

2. Create a form + dashboard from a template

curl -X POST https://sutrena.com/api/forms \
  -H "Authorization: Bearer st_trial_xxx" \
  -H "Content-Type: application/json" \
  -d '{"templateId": "waitlist", "createDashboard": true}'

/llms.txt /api/schema /llms-full.txt /.well-known/mcp.json

Ready to build?

Get a trial API key instantly with no signup, or create an account for the full experience.

Start building Agent docs