# Documentation - [Fiber AI Documentation](/): Find any company or person, get their verified contact information, and know the moment something changes about them. - [Using the Fiber Dashboard](/using-the-ui): Build audiences, reveal verified contacts, and export to CSV or ad platforms — the full workflow with no code required. - [Operations index](/operations): Every Fiber AI API operation by reader-facing name — find the one call you need, then open its API reference. - Billing - [Billing & Credits](/billing): How Fiber's credit-based pricing works — per-item costs, free operations, and cost-control levers. - [Payment Troubleshooting](/billing/troubleshooting): Fixes for common payment and billing problems, and how to reach us when something doesn't look right. - Search & discovery - [Search](/search): Query 50M+ companies and 500M+ professional profiles with structured filters — count for free, then pull only the results you want. - [Getting accurate results from search](/search/using-search-apis): Write people and company searches that return exactly the people you mean — the rules that matter, what's available today, and worked examples of common mistakes with their fixes. - [Search counts](/search/counts): Count matching companies and people before you pull a single result — what's exact, what's estimated, and the two caveats that matter when a count feeds a report or a benchmark. - [Industry filtering](/search/industry-filtering): The two meanings of "industry", which filter expresses each, and how to pick valid values so an industry filter never silently matches nothing. - [Migrating from another data provider](/search/migrating-from-other-providers): Translation tables for the filter vocabularies that differ between providers (departments, seniority levels, job-title matching), so a search means the same thing here as it did there. - [Sizing and locating companies](/search/sizing-and-locating-companies): Filter companies by headcount with any range you need, and by headquarters location down to city level — both fully supported on company search and combined search. - [Natural-language search](/search/agentic-search): Ask in plain English and get a matching list of companies or people — plus a clear list of anything the query could not apply. - [Job title matching](/search/job-title-matching): How people search matches job titles — token rules, synonyms, exact mode, and when to reach for the keywords filter instead. - [Job Search](/search/job-search): Filter 13M+ open roles by title, pay, and location, then count matches before you pull postings. - [Blue-collar job search](/search/blue-collar-jobs): Search US trade, warehouse, and service listings (data sources including Indeed) by company, keyword, and location. - [Typeaheads](/search/typeaheads): Autocomplete endpoints for companies, schools, investors, locations, and skills — plus job-title synonym expansion and preset metro regions. - [Google Maps / Local Business Search](/search/google-maps): Find any local business in any geography, then let AI agents identify the owners and their contact info. - [Stealth Tracking](/search/stealth): Find people in stealth mode on LinkedIn, and the ones who just came out of it — a signature capability, especially popular with VCs. - [Fortune & Forbes Lists](/search/fortune-forbes-lists): Filter searches by Fortune 500 or Forbes Global 2000 membership, or download a ranked edition with financials attached. - [Accelerators](/search/accelerators): Find, filter, and get alerts on startups by accelerator and batch — Y Combinator, Techstars, a16z Speedrun, and 16 more, with new batches added within days of going public. - Enrichment - [Contact Reveal](/enrichment/contact-reveal): Reveal verified work emails, personal emails, and phone numbers for an already-identified person. - [Reverse Email Lookup](/enrichment/reverse-email-lookup): Turn an email address (or phone number) into the person behind it — LinkedIn profile, name, and full enriched identity. - [Kitchen Sink](/enrichment/kitchen-sink): Resolve a person or company from whatever partial data you already have — no need to know which field is "the right one." - Audiences & lists - [Exclusion lists](/audiences/exclusion-lists): Keep customers, competitors, and past contacts out of every search — free lists of companies or people that filter your results automatically. - [Saved searches](/audiences/saved-search): Re-run a company or people search on a schedule and track who joins, departs, or stays — you're billed only for what's new. - Social media APIs - [Social media APIs](/social): Pull live profiles, posts, audiences, transcripts, and search across X, GitHub, YouTube, Instagram, TikTok, and Reddit — then turn a handle into a contactable person. - [X (Twitter)](/social/twitter): X profiles, keyword search, follower graphs, and tweet-level engagement — plus a synchronous handle-to-LinkedIn lookup that makes an X identity contactable. - [GitHub](/social/github): Match a GitHub username to a LinkedIn profile and work emails, or go the other way from a LinkedIn URL or a name to a GitHub account. - [YouTube](/social/youtube): YouTube channel stats, video metadata, timestamped transcripts, comments, and video search as structured API responses. - [Instagram](/social/instagram): Instagram creator and brand profiles, posts and Reels with engagement metrics, and post comments — plus finding someone's Instagram from their name or LinkedIn. - [TikTok](/social/tiktok): TikTok creator profiles, video catalogs and follower lists, spoken-word transcripts, keyword and hashtag search, trending feeds, and sound-based discovery. - [Reddit](/social/reddit): Reddit search across every subreddit, list posts by Hot/New/Top, and read threaded comments with their nested replies. - LinkedIn data - [Live Fetch](/linkedin/live-fetch): Fetch a LinkedIn profile or company as it stands right now, by whatever identifier you happen to hold. - [LinkedIn Activities](/linkedin/activities): Read public LinkedIn posts, comments, and reactions — by author, by post, or by keyword across the whole platform. - [Known Quirks of Activity Data](/linkedin/activity-quirks): Why LinkedIn posts, comments, and reactions can differ between two fetches. - Monitoring & signals - [Tracker](/monitoring/tracker): Watch companies and people for the changes that matter — 53 rule types, refresh cadences from daily to quarterly, signals delivered by webhook and API. - [Webhooks & Notifications](/monitoring/webhooks): Get notified when background jobs finish — machine-readable webhooks for your systems, configurable in the dashboard or through the API. - [In-app notifications](/monitoring/notifications): Every background job, scheduled run, and credit alert lands in a shared team inbox in the dashboard — zero setup, visible to your whole organization. - Market intelligence - [Market Intelligence APIs](/market-intelligence): Hotels and vacation rentals, flight itineraries, and live financial instrument data — real-world market data beyond B2B profiles. - [Hotels API](/market-intelligence/hotels): Search hotels and vacation rentals the way you would on Google Hotels or Expedia — then open a property for rates, amenities, and booking offers. - [Yelp](/market-intelligence/yelp): Search Yelp businesses, pull a full business page, and page through reviews — ratings, hours, services, and normalized contact data. - Web research - [Website screenshots](/web-research/website-screenshots): Turn any public URL into a permanently hosted PNG — desktop or mobile, viewport or full page, captured from the country you choose. - Account - [Account & team](/account): Inviting teammates, what each role can do, how trials start and end, and where spending controls live. - [API keys](/account/api-keys): Create a Fiber API key, pass it on every request, and manage sandbox keys, limits, and revocation from the dashboard or the API. - Build - [Build with Fiber](/build): Connect Fiber through MCP, the REST API, TypeScript and Python SDKs, the AI plugin, or OpenFiber — then consume results with webhooks or polling. - [Sync vs async](/build/sync-vs-async): Which Fiber operations return in one call, which run as background jobs, how batch jobs are charged, and how to paginate every family correctly. - [SDKs](/build/sdks): Official TypeScript and Python SDKs for the Fiber AI API — typed requests, typed responses, and credit costs on every call. - [MCP for AI agents](/build/mcp): Connect Fiber to Claude, ChatGPT, Cursor, Claude Code, Codex, VS Code, and Windsurf via Model Context Protocol (MCP) — search companies, enrich contacts, and check credits from your agent. - [Developing with AI Agents](/build/ai-agents): Wire Fiber AI into Claude Code, Cursor, Codex, OpenCode, and 40+ other agents — plugins, MCP servers, and skills that search and enrich for you. - [OpenFiber](/build/openfiber): An MIT-licensed, open-source prospecting UI built on the Fiber API — run it as-is, white-label it into your product, or fork it into something new.