Use case
Lead Generation
Find and enrich B2B leads at scale. Turn a domain, business name, or location into rich company data, emails, phone numbers, and social profiles ready for your CRM.
Overview
Lead generation and enrichment turn a starting point like a domain, company name, or location into a complete, usable record. OpenWeb Ninja's contact and local data APIs find emails, phone numbers, and social profiles, and return rich business information such as company details, categories, ratings, reviews, opening hours, website, and 30+ additional data points from Google Maps and the public web. Use them to discover businesses by category and geography, build and enrich prospect lists, fill out CRM records, and power sales-intelligence tools, with a free tier and simple REST endpoints.

APIs for Lead Generation
Mix and match these APIs to build your solution. Every one includes a free tier.
Email Search API
Contact & Lead Data
Fast and Simple web search for emails - get emails found on the web for a given query and an email domain in real-time.
Website Contacts Scraper API
Contact & Lead Data
Fast and Reliable API to Scrape and Extract Email Addresses, Phone Numbers and Profile Links on All Major Social Platforms - Facebook, Instagram, TikTok, Twitter, LinkedIn, and Others From a Website in Real-Time.
Local Business Data API
Maps & Local
Fast, Reliable, and Extensive Local Business & POI Data - Address, Website, Phone, Email, Rating & Reviews, and 40+ More Data Points from Google Maps and the Web in Real-Time.
Real-Time Local & Maps Data API
Maps & Local
Fast and Reliable Real-Time Local Data API - Get Full Business & Place Details, Reviews, Photos, Events, and Traffic Alerts & Navigation Data in Real-Time from Google Maps, Yelp, Waze, and Additional Platforms.
Social Links Search API
Contact & Lead Data
Search for social profile links on Facebook, TikTok, Instagram, Twitter, LinkedIn, Youtube, Pinterest, Github and more social networks in real-time.
Google AI Mode API
AI & LLMs
Fast and Reliable Google AI Mode Search Results with Advanced Reasoning, Multimodal Capabilities, PDF Attachments, Web Access, and Continuous Conversation Support.
Real-Time Web Search API
SERP & Search
Fast and Reliable Google Search & SERP API including Organic Results, AI Overviews, AI Mode, Videos, Places, News, Knowledge Graph, People Also Ask, Related Searches, and More.
Play Store Apps API
E-Commerce
Fast, Reliable, and Extensive Google Play Store Apps & Games (Android) Search, Top Charts, Including Extensive App Details and Reviews in Real-Time.
Frequently asked questions
How do these APIs help with lead generation?
They cover the full path from discovery to enrichment: find businesses by category and location with Local Business Data and pull rich firmographics on each one (categories, ratings, reviews, hours, website, and 30+ data points), get contact details from a domain with Website Contacts Scraper and Email Search, and resolve social profiles with Social Links Search.
Which API turns a website domain into contact details?
The Website Contacts Scraper API extracts emails, phone numbers, and social URLs from a website domain, while Email Search finds emails associated with a domain across the public web. Many teams use both together for fuller coverage.
How can I build targeted prospect lists by industry or location?
The Local Business Data API lets you search businesses by category and geographic area, returning details and contact points you can then enrich, which is well suited to local and regional B2B prospecting.
Is there a free tier?
Yes. You can start enriching leads on a free tier and scale up with predictable, usage-based pricing as your pipeline grows.
Start building with real-time web data
Every API includes a free tier. No credit card required, and the first request is a minute away.