# iplookupapi > iplookupapi resolves IP addresses to geolocation, network, timezone and security data over a simple JSON REST API. Authenticate every request with your API key via the `apikey` query parameter or request header. Base URL: https://api.iplookupapi.com ## Documentation - [Introduction](https://iplookupapi.com/docs): iplookupapi.com uses API keys to allow access to the API. You can register a new API key at our developer portal. - [Info Endpoint](https://iplookupapi.com/docs/info): Checks the provided ip address (both v4 & v6 formats) and returns all available information. - [MCP Server](https://iplookupapi.com/docs/mcp): Connect AI agents to the iplookupapi API through our hosted MCP (Model Context Protocol) server. - [Status Endpoint](https://iplookupapi.com/docs/status): Returns your current quota - [Request Status Codes](https://iplookupapi.com/docs/status-codes): For all requests, we will return an HTTP status code that indicates a success or the problem that has led to the failure. - [Testing](https://iplookupapi.com/docs/testing): Available in plans >= medium ## API Reference - [OpenAPI 3.1 specification](https://iplookupapi.com/docs/openapi.yaml): Machine-readable spec for every API endpoint, parameters and responses. - [Full documentation as markdown](https://iplookupapi.com/docs/llms-full.txt): All documentation pages concatenated as plain markdown. ## Optional - [Pricing & plans](https://iplookupapi.com/#pricing)