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LanderLab can be operated outside its own interface in two ways. MCP lets an AI assistant do the work in plain English. The REST API lets your own systems do it in code. Both use the same API key.

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Which one you need

Use MCP when a person is asking for something conversationally: pull last week’s conversion numbers, publish a page, shift A/B traffic weights. Use the REST API when a system needs to do it repeatedly and reliably without anyone watching.

MCP for AI assistants

Manage landing pages, variants, leads, and analytics in plain English from any MCP-compatible assistant.

REST API

Programmatic access to landers, variants, leads, integrations, folders, domains, and analytics.

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Getting an API key

Both paths start here. Keys are scoped to your organization and passed in the X-API-Key header.

Generate a LanderLab API key

Create a key, find your existing keys, and keep them secure.
Treat an API key like a password. Anyone holding it can read and modify your landing pages and leads. Never paste one into a shared document, a screenshot, or a support ticket.

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Connecting an AI assistant

Setup takes a few minutes and differs slightly per client. Pick yours:

Claude

Claude.ai, Claude Desktop, and Claude Code.

ChatGPT

Add LanderLab as a connector and manage pages from a chat.

Coding assistants

Cursor, Windsurf, and Gemini CLI.

Manus

Add your key through the settings UI or a JSON config.
Any MCP-compatible client works, not only the ones documented here. If yours is not listed, the MCP overview has the server URL and authentication details you need.

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What you can do through MCP

Once connected, you can ask for things directly instead of clicking through the dashboard:
  • Read workspaces, landing pages, variants, leads, and analytics
  • Publish pages and edit variants
  • Adjust A/B test traffic weights
  • Update leads and configure integrations
This is most useful for reporting and quick operational changes. Asking for last month’s conversion rate by device across five pages is one sentence, versus several minutes of navigation.
Tool permissions are set in your assistant, not in LanderLab. Review what you allow before granting write access, since mutation tools can publish and modify live pages.

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What you can do through the API

The REST API covers the same surface with finer control. Common uses:

API overview

How authentication works, what resources exist, and how the endpoints are organized.
Call get current context first. It returns the organization and workspace IDs that almost every other endpoint requires.