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About

LinkupAPI is an outreach API for AI agents and software. Connect your users' LinkedIn, Gmail, Outlook and WhatsApp accounts, then send connection requests, messages, InMails, emails and WhatsApp messages from your product or agent, and get every reply back through real-time webhooks. It also covers prospect search, profile and company data, and email finding and verification, so an agent can find, enrich and contact leads with one API. Connect it to Claude, ChatGPT, Cursor or any MCP client through the LinkupAPI MCP server, or to n8n, Make and Zapier. Billed per connected account with unlimited usage: $55/month up to 10 accounts, then $5.50 to $4.50 per account, capped at $3,000/month for unlimited accounts.

About

Unipile is a unified API designed to integrate multiple communication channels, messaging, email, calendar, and more, into your software application. It provides over 500 endpoints that enable developers to connect platforms such as LinkedIn, WhatsApp, Instagram, Gmail, Outlook, and IMAP into a single unified inbox. With Unipile, you can send and retrieve messages across channels, manage calendars (Google/Outlook), sync conversations in real time, and maintain full historical context across channels. The API supports functions such as starting chats, retrieving message threads, scheduling events, and connecting profile data, all through the same interface. Use-cases include ATS/CRM software publishers, outreach tools, no-code builders, and AI agent platforms, anywhere multi-channel communication needs to be embedded into an application. Unipile also emphasizes rapid integration, developer-friendly documentation, and live support.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

SaaS and AI-agent builders, sales and GTM teams, recruiting platforms and agencies that need LinkedIn, email and WhatsApp outreach through an API

Audience

Developers and SaaS companies in need of a solution to embed unified communication across many channels with minimal infrastructure

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$55/month (up to 10 accounts)
Free Version Not Supported
Free Trial Not Supported

Pricing

€49 per month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

LinkupAPI
France
linkupapi.com

Company Information

Unipile
Founded: 2020
France
www.unipile.com

Alternatives

SmartReach

SmartReach

SmartReach.io

Alternatives

Authkey

Authkey

Authkey.io

Categories

Sales Engagement Supported

Categories

Communication APIs Supported
Email APIs Supported
Unified APIs Supported

Integrations

Chief Not Supported
Facebook Not Supported
Gmail Not Supported
Google Calendar Not Supported
Instagram Not Supported
LinkedIn Not Supported
Microsoft Outlook Not Supported
Motileo Not Supported
Recruit CRM Not Supported
Telegram Not Supported
WhatsApp Not Supported
X (Twitter) Not Supported

Integrations

Chief Supported
Facebook Supported
Gmail Supported
Google Calendar Supported
Instagram Supported
LinkedIn Supported
Microsoft Outlook Supported
Motileo Supported
Recruit CRM Supported
Telegram Supported
WhatsApp Supported
X (Twitter) Supported
Claim LinkupAPI and update features and information
Claim LinkupAPI and update features and information
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Claim Unipile and update features and information