# LinkupAPI

> LinkupAPI is the outreach API for AI agents and software: connect LinkedIn, email (Gmail, Outlook) and WhatsApp accounts to a product or an AI agent, send messages at scale and get every reply back through webhooks.

Access: REST API (50+ endpoints) and an MCP server for Claude, Cursor and any MCP client. Full API access includes Sales Navigator and Recruiter.

Pricing: billed per connected account with unlimited usage (no credits, no per-call fees). Up to 10 accounts $55 a month flat; 11 to 50 accounts $5.50 per account; 51 to 200 $5.00; 201 to 640 $4.50; Unlimited plan $3,000 a month flat for any number of accounts. Prices in USD, excluding VAT.

One account = one LinkedIn profile, one Gmail or Outlook mailbox, or one WhatsApp number. Each account gets a dedicated IP, hosted login and real-time webhooks.

## Product

- [LinkupAPI home](https://linkupapi.com): Connect your users' LinkedIn, email and WhatsApp accounts to your product or AI agent. Send messages at scale, get every reply back, keep every account safe.
- [LinkupAPI MCP Server – Outreach Tools for AI Agents](https://linkupapi.com/product-api/linkupapi-mcp): The LinkupAPI MCP server gives Claude, Cursor or any MCP client the tools to search prospects, send LinkedIn, email and WhatsApp messages and read replies.
- [Prospect Data API – People Search, Profiles & Company Data](https://linkupapi.com/product-api/web-crawler-api): Find the people and companies to reach. People search, full profiles, company data, job postings and funding rounds as JSON for your product or AI agent.
- [Engagement API: LinkedIn & WhatsApp Messaging](https://linkupapi.com/product-api/engagement-api): Build engagement features into your product. One API to connect, message, and interact with prospects across B2B channels.
- [Mail API: Email Finder & Verifier for Outreach](https://linkupapi.com/product-api/mail-api): Verify, find and enrich professional email data at scale. Real-time deliverability checks, contact discovery and prospect identification in one API.
- [Pricing](https://linkupapi.com/pricing): Per connected account with unlimited usage, or $3,000 a month flat for unlimited accounts.

## Docs

- [API reference (v2)](https://docs.linkupapi.com/api-reference/v2/introduction): Authentication, endpoints, webhooks. Every docs page is also served as Markdown by adding .md to its URL.
- [MCP setup](https://docs.linkupapi.com/api-reference/v2/mcp-setup): Connect the LinkupAPI MCP server to Claude, Cursor or another MCP client.
- [Full documentation as one file](https://docs.linkupapi.com/llms-full.txt): The complete API documentation in plain text.

## API endpoints

- [LinkedIn Profile API – Profile Data to Personalize Outreach](https://linkupapi.com/product-endpoint/linkedin-profile-api): Retrieve any LinkedIn profile from its URL. Get experience, education, skills, and current position as structured JSON in real-time.
- [People Search API – Find Decision Makers & Reach Them](https://linkupapi.com/product-endpoint/people-search-api): Search professionals with advanced filters. Target by job title, location, company, industry, and skills to build precise recruiting or prospecting lists.
- [LinkedIn Invitation API: Send Requests & List Connections](https://linkupapi.com/product-endpoint/linkedin-invitation-api): Enable your product to send LinkedIn connection requests. Perfect for AI agents and sales platforms building automated outreach.
- [WhatsApp message API - Send Automated DMs & Follow-ups](https://linkupapi.com/product-endpoint/whatsapp-message-api): Power WhatsApp messaging from your platform. Built for AI agents and applications reaching prospects at scale.
- [Email finder API - Find Professional Contact Emails](https://linkupapi.com/product-endpoint/email-finder-api): Discover professional email addresses from social profiles or company domains. Find verified contact information for prospects and decision-makers at scale.
- [Email Validation API - Verify Business Email Addresses](https://linkupapi.com/product-endpoint/email-verifier-api): Validate email addresses in real-time before sending. Check deliverability, detect catch-all domains, and reduce bounce rates with instant verification.
- [LinkedIn comment API - Automate Post Engagement](https://linkupapi.com/product-endpoint/linkedin-comment-api): Let your AI agent or product engage on LinkedIn. Automate comments and interactions to build visibility.
- [LinkedIn message API - Send Automated DMs & Follow-ups](https://linkupapi.com/product-endpoint/linkedin-message-api): Give your platform native LinkedIn messaging capabilities. Ideal for AI agents and tools managing multi-step outreach.
- [Reverse email API - Identify anyone from Email Address](https://linkupapi.com/product-endpoint/reverse-email-api): Find the person behind any email address. Get full profile data including name, job title, company, and social profiles from a single email input.
- [Company Job Postings API - Track Hiring Activity](https://linkupapi.com/product-endpoint/company-job-postings): Discover companies with active job openings. Target businesses recruiting for specific roles, industries, or locations to find sales opportunities or recruitment leads.
- [Company profile API - Get Detailed Business Profiles](https://linkupapi.com/product-endpoint/company-profile-api): Transform any company domain into full business intelligence. Get company size, industry, location, revenue, funding, social profiles, and employee data in real-time.
- [Company search API - Find Leads with Custom Filters](https://linkupapi.com/product-endpoint/company-search-api): Search for companies with advanced filters. Target by industry, location, size, funding, and more to find the perfect prospects or clients.
- [LinkedIn Search API - Find Profiles With Advanced Filters](https://linkupapi.com/product-endpoint/linkedin-search-api): Search LinkedIn profiles with advanced filters. Target by job title, company, location, and industry to build precise lead lists.
- [Fundraising API - Source Funded Companies & Startups](https://linkupapi.com/product-endpoint/fundraising-api): Discover companies with recent funding rounds. Target businesses that just raised capital to find high-intent prospects with budget to spend.

## Solutions

- [AI BDR Agent – Reach Prospects on LinkedIn, Email & WhatsApp](https://linkupapi.com/solution/ai-bdr-agent): Give your AI BDR agent real outreach tools: people search, profiles, invitations and messages on LinkedIn, email and WhatsApp. Every endpoint over MCP.
- [Contact Enrichment API – Find, Verify & Reach Contacts](https://linkupapi.com/solution/contact-enrichment-api): Turn an email or a LinkedIn profile URL into a full contact: role, company, verified work email. Contact enrichment API for CRMs, sales tools and AI agents.
- [LinkedIn Automation API – Unlimited Outreach per Account](https://linkupapi.com/solution/linkedin-automation-api): Send LinkedIn invitations, messages and comments from your product or AI agent. Unlimited outreach per connected account, replies back through webhooks.
- [WhatsApp Outreach Automation API – Reach Leads at Scale](https://linkupapi.com/solution/whatsapp-outreach-automation): Send WhatsApp messages from your product or AI agent, with pacing, media and replies back through webhooks. Same API as LinkedIn and email, unlimited messages.
- [Buying Signals API – Detect Intent, Reach the Same Day](https://linkupapi.com/solution/buying-signals-api): Pull the people who liked or commented a competitor's post, enrich them and reach out the same day. Buying signals API with funding and hiring triggers.
- [Automated Candidate Sourcing – Find & Reach Candidates](https://linkupapi.com/solution/candidate-sourcing): Search candidates by title, company and location, send personal connection requests and follow up by message or email. Built for ATS and recruiting products.
- [CRM Enrichment API – Sync LinkedIn Conversations & Status](https://linkupapi.com/solution/crm-data-enrichment): Push every LinkedIn message, reply and accepted invitation into HubSpot, Salesforce or your CRM. Lead status that follows your LinkedIn activity.
- [Job Posting API – Track Hiring & Reach the Hiring Manager](https://linkupapi.com/solution/job-posting-api): Track which companies are hiring, which roles are open and who is recruiting, then reach the hiring manager on LinkedIn or email from the same API.
- [Lead Generation API – Search, Enrich & Reach Leads](https://linkupapi.com/solution/lead-generation-api): Search people and companies, find and verify emails, then reach out on LinkedIn, email or WhatsApp. One lead generation API for products and AI agents.
- [n8n LinkedIn API – Outreach Automation Without Code](https://linkupapi.com/solution/linkedin-api-n8n): Connect LinkedIn, email and WhatsApp to n8n, Make or Zapier. Send invitations and messages, find emails and enrich profiles from a no-code workflow.
- [Enterprise-Grade Security & Compliance](https://linkupapi.com/solution/security-compliance): Build with confidence. Our zero-storage architecture and compliance-first approach ensure maximum security for your B2B automation.

## Comparisons and reviews

- [Best Unipile Alternative for LinkedIn 2026: Pricing & Limits](https://linkupapi.com/blog-articles/unipile-alternative): An honest 2026 look at Unipile: what it does well, what per-account pricing costs at scale, and when a B2B outreach API with a bill capped at $3,000 a month is the smarter pick.
- [Unipile Review 2026: Pricing, Safety, Limits & What Users Say](https://linkupapi.com/blog-articles/unipile-review): Unipile's real 2026 pricing at every tier, its LinkedIn limits, how safe it is for accounts, what users praise and complain about, and when a capped plan wins.
- [Best LinkedIn MCP Servers 2026: 8 Options Compared by Job](https://linkupapi.com/blog-articles/best-linkedin-mcp-servers): Eight LinkedIn MCP servers compared in September 2026, sorted into content, data and outreach families, with the session model, published pricing and the fit for each.
- [Dripify Alternative: Pricing, Quotas, and When to Switch (2026)](https://linkupapi.com/blog-articles/dripify-alternative): Dripify per-user pricing and published daily quotas, who the sequencer fits, and where an agent-first API priced per connected account, capped at $3,000 a month, is a different job.
- [Best Edges Alternatives 2026: 4 LinkedIn APIs Compared](https://linkupapi.com/blog-articles/edges-alternative): Four Edges alternatives compared on 2026 pricing: the credit-plus-identity meter Edges runs, and options built around a flat ceiling or a data-only model.
- [Best Expandi Alternative 2026: API, MCP Access & Real Pricing](https://linkupapi.com/blog-articles/expandi-alternative): Expandi's $99-per-seat pricing, its dedicated-IP safety stack, where it stops being the right tool, and how per-account pricing capped at $3,000 compares at 5, 30 and 300 accounts.
- [Best HeyReach Alternative 2026: Pricing, Per-Sender vs Flat](https://linkupapi.com/blog-articles/heyreach-alternative): HeyReach's per-sender pricing at 1, 10, 25, 50 and 100 accounts, the honest case for staying, and where an agent-first API with a flat $3,000 ceiling is a different job.
- [Best Lemlist Alternatives 2026: Pricing, Limits & the API Option](https://linkupapi.com/blog-articles/lemlist-alternative): lemlist's per-user pricing and signal credits, who the platform is built for, and when an agent-first API priced per account, capped at $3,000 a month, is the better tool.
- [Best PhantomBuster Alternatives 2026: 7 Tools Compared](https://linkupapi.com/blog-articles/phantombuster-alternative): Seven PhantomBuster alternatives compared on published 2026 pricing and the meter each one bills: per seat, per sender, per email, per compute, or per account under a ceiling.
- [Best Waalaxy Alternatives 2026: Pricing, Caps & When to Switch](https://linkupapi.com/blog-articles/waalaxy-alternative): Waalaxy's 2026 pricing and 800-invitation caps, the moment a team or product outgrows a Chrome extension, and the honest case for staying on it.
- [Best Zernio Alternative 2026: Pricing, Limits & Competitors](https://linkupapi.com/blog-articles/zernio-alternative): Zernio handles publishing well. This guide covers the other job: LinkedIn outreach that official access does not include, and the API model that does.

## Guides

- [AI Agent for LinkedIn: The 2026 Builder's Guide](https://linkupapi.com/blog-articles/ai-agent-for-linkedin): An AI agent for LinkedIn can search leads, send messages, find emails, and run multi-channel outreach. Here is what it does and how to build one in 2026.
- [B2B Data for AI Agents: How to Wire It In (2026)](https://linkupapi.com/blog-articles/b2b-data-for-ai-agents): The reasoning is mostly solved. Knowing current facts about real companies and people is not. That gap is what B2B data for AI agents is really about.
- [How to Build a Claude Recruitment Agent (2026 Guide)](https://linkupapi.com/blog-articles/how-to-build-a-claude-recruitment-agent): A senior engineer goes "open to opportunities" and gets 14 generic recruiter pitches. Claude turns recruiting from spray-and-pray into relevance at scale.
- [How to Build a Claude Sales Agent for LinkedIn (2026)](https://linkupapi.com/blog-articles/how-to-build-a-claude-sales-agent): Most teams imagine an AI sales agent wrong. Here is what works in 2026: an SDR-in-a-box that finds, qualifies, and engages leads while humans close deals.
- [How to Build an AI Agent for Investors (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-agent-for-investors): Most AI agents for investors trade stocks. The bigger win is sourcing: monitor funding and hiring signals, research founders, and open warm conversations first.
- [How to Build an AI BDR Agent for Outbound (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-bdr-agent): A vendor-neutral 2026 guide to building an AI BDR agent for outbound: source cold prospects, enrich them, and run multi-channel sequences across two clean layers.
- [How to Build an AI Deal-Sourcing Agent (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-deal-sourcing-agent): A builder's guide to architecting an AI deal-sourcing agent: detect the funding signal, then open the founder conversation before twenty other funds do.
- [How to Build an AI GTM Agent: A 2026 Build Guide](https://linkupapi.com/blog-articles/how-to-build-an-ai-gtm-agent): A vendor-neutral, practical guide to building an AI GTM agent in 2026: the data layer that finds and enriches leads, and the action layer that reaches out.
- [How to Build an AI Lead Generation Agent (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-lead-generation-agent): Anyone can return fifty rows that look right and are mostly wrong. A real lead generation agent finds, verifies, scores, and hands off only what is worth a message.
- [How to Build an AI Recruiting Agent (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-recruiting-agent): Most AI recruiting tools stop at the shortlist. A real recruiting agent finds candidates, confirms they are reachable, and opens the conversation itself.
- [How to Build an AI SDR Agent for LinkedIn (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-sdr-agent): Most teams build only the copywriting half of an AI SDR. The working version needs two layers: one to find and qualify leads, one to actually contact them.
- [How to Build an AI Talent Sourcing Agent (2026)](https://linkupapi.com/blog-articles/how-to-build-an-ai-talent-sourcing-agent): A practical 2026 build guide for an AI talent sourcing agent: turn a job description into search criteria, qualify candidates by skills, and send personalized outreach.
- [How to Connect ChatGPT to LinkedIn: Automate Outreach with AI (2026)](https://linkupapi.com/blog-articles/how-to-connect-chatgpt-to-linkedin): Give ChatGPT real LinkedIn superpowers. Search profiles, send messages, find emails, all through natural conversation using LinkupAPI.
- [How to Connect Claude to LinkedIn: The No-Code Way (2026)](https://linkupapi.com/blog-articles/how-to-connect-claude-to-linkedin): Connect Claude to LinkedIn through an MCP connector: 3-step no-code setup, scheduled outreach with Claude Cowork, and the Claude Code path for builders.
- [How to Connect Codex to LinkedIn for Outreach (2026)](https://linkupapi.com/blog-articles/how-to-connect-codex-to-linkedin): Codex can draft a LinkedIn message but never send it. Here is how connecting OpenAI's coding agent to LinkedIn turns it into one that runs real outreach.
- [How to Connect COSMO to LinkedIn (2026 Guide)](https://linkupapi.com/blog-articles/how-to-connect-cosmo-to-linkedin): Google COSMO can think and act across the web, yet it has no native LinkedIn outreach channel. Here is how an MCP connection closes that B2B gap in 2026.
- [How to Connect CrewAI to LinkedIn for Outreach (2026)](https://linkupapi.com/blog-articles/how-to-connect-crewai-to-linkedin): A practical guide to connecting CrewAI to LinkedIn via MCP and building a three-agent outreach crew that runs prospecting, messaging, and follow-up end to end.
- [How to Connect Cursor to LinkedIn: Outreach Without Leaving Your IDE (2026)](https://linkupapi.com/blog-articles/how-to-connect-cursor-to-linkedin): Cursor is a code editor that runs AI agents natively. Give it LinkedIn access through MCP and you can run prospecting campaigns from the same window where you ship features.
- [How to Connect Google Gemini to LinkedIn: The AI Outreach Guide (2026)](https://linkupapi.com/blog-articles/how-to-connect-gemini-to-linkedin): Give Google Gemini real LinkedIn outreach capabilities through MCP. Search profiles, send messages, and sync everything with Google Workspace, no code needed.
- [How to Connect Hermes to LinkedIn (2026 Guide)](https://linkupapi.com/blog-articles/how-to-connect-hermes-to-linkedin): Hermes Agent reaches Telegram, WhatsApp, and Discord on its own, but not LinkedIn. Here is how to connect Hermes to LinkedIn so it can prospect and message.
- [How to Connect Kimi to LinkedIn: K3, Swarm and Outreach (2026)](https://linkupapi.com/blog-articles/how-to-connect-kimi-to-linkedin): Kimi K3 cannot reach LinkedIn on its own. Here is how to connect Kimi to LinkedIn through MCP, which Kimi surface to pick, and how to turn Swarm research into outreach.
- [How to Connect Mistral AI to LinkedIn (Le Chat MCP Setup 2026)](https://linkupapi.com/blog-articles/how-to-connect-mistral-ai-to-linkedin): Add LinkedIn outreach to Mistral AI Le Chat by connecting a custom MCP server. A setup guide for EU teams using Mistral for multilingual prospecting.
- [How to Connect OpenClaw to LinkedIn (Skill + MCP Guide 2026)](https://linkupapi.com/blog-articles/how-to-connect-openclaw-to-linkedin): OpenClaw has no native LinkedIn support. Add a LinkedIn skill backed by MCP and the agent runs outreach, follow-ups, and multi-channel sequences on its own.
- [How to Connect Perplexity to LinkedIn: Where Research Meets Outreach (2026)](https://linkupapi.com/blog-articles/how-to-connect-perplexity-to-linkedin): Perplexity is famous for AI-powered research. With a LinkedIn integration through MCP, the same session that finds a prospect can also message them, closing the loop between intelligence and action.
- [How to Connect Zapier Agents to LinkedIn for Outreach (2026)](https://linkupapi.com/blog-articles/how-to-connect-zapier-agents-to-linkedin): A practical guide to adding real LinkedIn outreach to Zapier Agents in 2026. The native LinkedIn connector cannot send invites or DMs: here is what fixes that gap.
- [How to Find Emails from LinkedIn Profiles with Claude (2026)](https://linkupapi.com/blog-articles/how-to-find-emails-from-linkedin-profiles-with-claude): LinkedIn profiles are the richest source of intent data in B2B sales but rarely show contact emails. Here is how Claude closes the gap with verified enrichment.
- [How to Find High-Intent LinkedIn Leads with Claude (2026)](https://linkupapi.com/blog-articles/how-to-find-high-intent-linkedin-leads-with-claude): Most sales teams scroll past competitor posts. The smart ones treat each engager as a warm lead. Here is how Claude turns LinkedIn engagement into pipeline.
- [How to Add Outreach to Claude Managed Agents (2026)](https://linkupapi.com/blog-articles/outreach-for-claude-managed-agents): Claude Managed Agents are the brain. To act on the world they need hands. Here is how to give a managed agent real outreach channels without rebuilding the stack.
- [How to Build a Paperclip AI Sales Agent (2026)](https://linkupapi.com/blog-articles/paperclip-ai-sales-agent): Your Paperclip company can hire a seller in seconds. Giving that seller real prospects and a real way to contact them is the part that takes wiring.
- [How to Connect Manus AI to LinkedIn (No-Code Guide 2026)](https://linkupapi.com/blog-articles/how-to-connect-manus-to-linkedin): Give Manus AI full LinkedIn access through MCP and LinkupAPI. Search profiles, send messages, find emails, all automated, all no-code.
- [All resources](https://linkupapi.com/resources): Index of every guide and comparison.

## Optional

- [Sub-processors](https://linkupapi.com/legal/subprocessors): List of the sub-processors LinkupAPI engages to process customer data, with their location and transfer mechanism.
- [Privacy Policy](https://linkupapi.com/legal/privacy-policy)
- [Terms of use](https://linkupapi.com/legal/terms-of-use)
- [Legal Notice](https://linkupapi.com/legal/legal-notice)