# Email Search - Find Emails on the Web by Query & Domain > Fast and simple web search for emails - get emails found on the web for a given query and an email domain in real-time. ## Overview Email Search is a fast and simple API for finding emails on the web for a given query and email domain in real-time. It returns emails as structured JSON via REST. Who is this API for: developers building lead generation, sales prospecting, and contact enrichment tools. What it returns: email addresses found on the web for a given query and domain. Need help integrating? Contact support@openwebninja.com. For high volume / large scale plans, please contact support@openwebninja.com. ## Endpoints ### GET /search-emails - Search Emails Search the web for emails using a query and email domain and get up to 5,000 email addresses. Parameters: **query**, **email_domain**, limit Full URL: `https://api.openwebninja.com/email-search/search-emails` ## Base URL and Authentication - Base URL: `https://api.openwebninja.com/email-search` - Auth: API key in the `x-api-key` header. Get a key by subscribing (free tier available) at https://app.openwebninja.com/api/email-search ## Topics email search api, email finder api, lead generation api, sales prospecting api, contact discovery api, b2b email api, email lookup api, prospecting api ## Links - API page: https://www.openwebninja.com/api/email-search - Get an API key / subscribe: https://app.openwebninja.com/api/email-search - Pricing & plans: https://app.openwebninja.com/api/email-search/pricing - Website: https://www.openwebninja.com - OpenAPI spec: https://openwebninja.s3.us-east-1.amazonaws.com/portal/openapi/email_search.yaml - Support: support@openwebninja.com _Last updated: 2026-05-27_