# API

- [Authentication](/api/authentication.md): Learn how to authenticate to MadKudu API
- [Lookup](/api/lookup.md): Find any account or person by the identifier you have (email, domain Linkedin handle, Twitter, salesforce ID, hubspot ID ...) and get their MadKudu ID.
- [Detailed Information](/api/detailed-information.md): Get the full picture on any person or account using the MadKudu ID
- [Enrichment](/api/enrichment.md): The Enrichment API allows you to retrieve valuable company insights based on a domain name. It provides structured data  such as hiring activity, technologies usage and more.
- [Search](/api/search.md): Search accounts or persons with filters
- [Sourcing](/api/sourcing.md): Discover new prospects from your favorite data providers (Apollo, Cognism, and ZoomInfo), who aren't already in your CRM
- [AI Features](/api/ai-features.md)