A curated directory of leading web scrapers, LLM providers, search APIs, and B2B enrichment platforms.
Apify is a cloud-based web scraping and automation platform hosting hundreds of pre-built "Actors" to extract data from websites like Google Maps, LinkedIn, and Instagram. Data operations teams use it to scrape custom websites at scale and feed the structured data directly into their CRM or enrichment sheets.
Apollo.io is an all-in-one sales intelligence platform hosting a massive B2B database of verified contacts, emails, and direct phone numbers. Marketers use its API to enrich target company lists with decision-maker contact details and track job changes.
The Brave Search API provides programmatic access to an independent global web index, offering search results, news, and AI-summarized web content. Researchers use it to fetch real-time news updates and verify business information without tracking or bias.
BuiltWith is a technology profiling tool that tracks what software and web tools (like CMS, analytics, or payment gateways) websites are running. Technical marketers use it to query target companies' software stacks and build highly targeted competitive campaigns.
The Canny API exposes user feedback posts, feature requests, and roadmap updates for software products. Product analysts and marketers use it to scrape user feedback to run sentiment analysis and track competing product roadmaps.
Anthropic's Claude API delivers state-of-the-art reasoning, code writing, and text processing models for developer workflows. Business analysts use it to summarize long SEC filings, parse complex terms of service agreements, and write highly personalized outreach emails.
Clay is a B2B data enrichment and sales prospecting platform that aggregates 50+ data providers to build clean, personalized lead lists. Marketing and sales teams use it to combine data from scrapers, search APIs, and LLMs into automated outreach workflows.
The Crunchbase API provides programmatic access to funding rounds, investor portfolios, acquisitions, and executive leadership data for public and private companies. Investment analysts and sales reps use it to track venture-backed startups and identify well-funded prospects.
Exa is a search engine designed specifically for AI models and LLMs, retrieving clean, semantic matches and web content instead of keyword matches. Outbound teams use it programmatically to find specific types of companies, locate recent news stories, or identify relevant blog posts.
Firecrawl is a web scraping API designed to crawl entire websites and convert unstructured pages into clean, LLM-ready markdown or JSON. Growth marketers use it to extract clean copy from target websites and pass it to AI models for classification or research.
The GitHub API allows developers to programmatically retrieve repository metadata, commit histories, package details, and developer user activity. Technical recruiters and open-source researchers use it to find active contributors and track popular repositories.
Glassdoor data provides employee ratings, salary ranges, and reviews of corporate culture for thousands of employers. HR researchers and market analysts use it to gauge employee sentiment, turnover risk, and competitor culture.
The Gemini API provides access to Google's multimodal large language models, renowned for their massive context windows and native audio/video understanding. Analysts use it to analyze and compare hours of audio recordings, massive PDF manuals, and extensive datasets in a single prompt.
Google Keyword Planner is a search intent research tool that provides monthly search volumes, advertiser competition, and keyword suggestions. SEO specialists and marketers programmatically fetch this data to identify high-value keywords and gauge market demand.
Hunter.io is a domain search and email verification tool that maps and verifies corporate email address formats for specific domains. Outbound marketers use it to discover valid email addresses for target prospects and keep email bounce rates low.
OpenAI's developer API provides access to GPT models like GPT-4o, allowing companies to programmatically generate text, analyze sentiments, and process data. In tools like Clay, users write custom AI prompts to classify company websites, summarize job descriptions, or draft personalized emails.
OpenRouter is a unified API gateway that allows users to query dozens of different large language models from multiple providers using a single API key. Marketers and developers use it to easily compare model outputs, track costs, and switch between commercial and open-source models without rewriting code.
PhantomBuster is a no-code lead generation and web scraping platform that automates actions across networks like LinkedIn, Sales Navigator, and Twitter. Sales operations teams use it to extract lists of followers, post commenters, and profile data to build targeted outbound campaigns.
RapidAPI is a massive API marketplace that provides unified access, credentials, and billing for thousands of third-party data APIs. Analysts and developers use it to fetch specialized business listings, phone validation records, or niche social media data via a single platform.
The Semrush API provides developer access to organic ranking positions, backlink profiles, and estimated traffic data for millions of domains. SEO marketers use it to automate competitive market analysis, track keywords, and monitor search share of voice.
Serper.dev is a fast, cost-effective Google Search API that returns structured JSON results for organic search, maps, news, and shopping queries. Marketers use it to monitor search engine result pages (SERPs), track brand mentions, and scrape local business details.
The Similarweb API offers traffic estimates, user engagement metrics, and referral traffic sources for websites and mobile apps. Analysts use it to bench competitors, measure digital market share, and analyze target audience behaviors.
The SpyFu API provides historical data on organic search rankings and Google Ads PPC bidding history for any domain over the last 19+ years. Marketers use it to run automated audits of competitors' paid ad copy, budgets, and keyword strategies.
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