Apple App Store data API

7 endpoints for Apple App Store: categories, search, suggestions, product, reviews, app list, app listings search. One API key, one JSON schema, as MCP tools or REST.

Endpoints

Call any of them over MCP with call_endpoint and its path, or over REST.

Endpoint	Returns	Credits	Cache
categoriesGET /v1/app_store/categories	The App Store genre tree for one storefront, with each category's chart templates.	1	30 min
searchGET /v1/app_store/search	Apps in the US Apple App Store matching a keyword.	1	2 min
suggestionsGET /v1/app_store/suggestions	Apps in the US Apple App Store whose name matches a partial query.	1	2 min
productGET /v1/app_store/product	One App Store app by id: developer, price, version, rating, genre and description.	1	15 min
reviewsGET /v1/app_store/reviews	Most recent customer reviews for one App Store app, with rating.	5	5 min
app-listGET /v1/app_store/app-list	The current Apple App Store top free, top paid or top grossing chart for one storefront, ranked.	1	30 min
app-listings-searchGET /v1/app_store/app-listings-search	The apps one developer lists on Apple App Store, which is searching within their listings.	5	2 min

Connect your agent over MCP

Remote MCP server: https://data.openkrill.app/mcp with your key in the x-api-key header.

Claude Code · Run in a terminal

claude mcp add --transport http krilldata \
  https://data.openkrill.app/mcp \
  --header "x-api-key: YOUR_API_KEY"

Cursor · Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "krilldata": {
      "url": "https://data.openkrill.app/mcp",
      "headers": {
        "x-api-key": "YOUR_API_KEY"
      }
    }
  }
}

Claude Desktop · Add to claude_desktop_config.json

{
  "mcpServers": {
    "krilldata": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://data.openkrill.app/mcp",
        "--header",
        "x-api-key:${API_KEY}"
      ],
      "env": {
        "API_KEY": "YOUR_API_KEY"
      }
    }
  }
}