API and MCP

Noctral’s app data in Claude, Cursor or your own code

A remote MCP server and a REST API with estimated revenue, growth, niches, ads and onboarding and paywall screens. Ask in plain English and your agent fetches the numbers.

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Mobile Apps

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How can I use mobile app data in Claude or Cursor?

Add the Noctral MCP server URL to Claude, ChatGPT, Cursor or another client, sign in to your account and authorize, with nothing to install. Then just ask, for example, “which diet and nutrition apps grew the most in the last 7 days in the US?”, and the agent calls the right tools. The same data is available through the REST API, in JSON.

Protocol
Remote MCP (Streamable HTTP)
Clients
Claude Code, Cursor, Windsurf and Claude Desktop
API
REST, JSON, GET routes
Plan
Pro
API and MCP

Noctral’s catalog inside your agent

Instead of opening screens and copying numbers, ask your agent. It queries Noctral and answers with the data.

MCP

Ask in plain English

The agent picks the tool, fetches the data and answers with Noctral’s numbers, with a link to each app.

  • Revenue and a 90-day weekly series
  • Rankings of the fastest growers
  • Ads and screens for each app

Connection

Paste the URL and sign in

Your client opens the browser, you sign in to Noctral and authorize. For automations with no browser, API keys are still available.

  • Nothing to install
  • Disconnect any app whenever you want
  • Plan checked on every call
terminal · Claude Code
claude mcp add --transport http noctral https://noctralspy.com/api/mcp \
  --header "Authorization: Bearer nk_YOUR_KEY"

REST API

The same data in your code

JSON over HTTPS, with pagination and the Noctral page URL of each item. Endpoints share names with the MCP tools.

  • Apps, niches, growth and ads
  • Captured onboarding and paywalls
  • Public OpenAPI specification
terminal · curl
curl "https://noctralspy.com/api/v1/rankings/growth?window=7d&niche=ia-chatbot&limit=5" \
  -H "Authorization: Bearer nk_YOUR_KEY"

From zero to your first answer, in four steps

  1. 1

    Subscribe to Pro

    The API and MCP are part of the Pro plan.

  2. 2

    Add the URL

    Paste the server URL into Claude, ChatGPT, Cursor or another client.

  3. 3

    Sign in and authorize

    Your browser opens, you sign in to your account and approve the app.

  4. 4

    Ask

    Request rankings, revenue, ads or an app’s paywall.

FAQ

Questions about api and mcp

Does it require the Pro plan?

Yes. The API and MCP are part of Pro: monthly, lifetime or monthly pass. The plan is checked on every call.

Are there usage limits?

Yes, per account: requests per minute and records per day and month. Each response’s headers show what remains.

Can I use the data in my product?

For research, validation and decisions about your own product, yes. Reselling, redistributing or publishing the data in bulk is not allowed.

Where is the documentation?

On the API documentation page, with every endpoint, parameter and error, and examples in curl, JavaScript and Python.

Can I cancel anytime?

Yes. The monthly subscription can be canceled at any time, with no fee.

Stop picking app ideas in the dark.

Use estimated revenue, downloads, rankings, and competitor signals to decide what to build or improve in your current app.

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