
Unipile
Unipile LinkedIn API
Linked API
Phantombuster
Expandi.io
Waalaxy
AI Responder
The outreach API for your AI agents. Reach your prospects on LinkedIn, Email and WhatsApp through a single powerful API, built for AI agents and software.

Which is more popular?
Based on our record, BoldDesk seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | linkupapi.com | bolddesk.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from France | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


LinkupAPI is the 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. What you...
BoldDesk is a premium cloud-based AI Powered customer service software and designed to streamline and simplify customer query management. With BoldDesk, you can provide access to a huge collection of knowledge-based articles while organizing and handling customer inquiries with ease.
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Level up your Customer Support with BoldDesk
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing LinkupAPI and BoldDesk.
LinkupAPI's answer
SaaS companies and AI-agent builders that want to add LinkedIn, email and WhatsApp outreach to their product, GTM and sales teams running multichannel outreach from Claude or other AI agents across many accounts, recruiting platforms (ATS) that source and contact candidates, and agencies managing outreach for many clients.
BoldDesk's answer:
BoldDesk is designed to meet the needs of businesses and organizations of all sizes across a wide range of industries. Its features and scalability make it suitable for both small enterprises and larger corporations looking for a versatile and adaptable help desk solution to streamline their customer support processes.
Whether small or large, an organization that's seeking a customizable and comprehensive help desk solution will find it in BoldDesk.
BoldDesk's answer:
With over two decades in business, Syncfusion, the creator of BoldDesk, has successfully supported hundreds of thousands of customers. The in-house ticket management software we developed, Direct-Trac, proved so effective that our customers requested a similar solution. This led us to create BoldDesk, a world-class, customizable, and scalable help desk. After putting the platform through its paces internally, we were impressed with the results and decided to make it available to our customers and the larger market.
BoldDesk's answer:
LinkupAPI's answer
Compared with Unipile and other per-account APIs, LinkupAPI charges the same per connected account up to a few hundred accounts ($55 for 10, then $5.50 to $4.50), but caps the bill at $3,000 a month for unlimited accounts, so it becomes cheaper from about 640 accounts. Compared with LinkedIn automation tools like PhantomBuster, Expandi or Waalaxy, it is an API: your product or AI agent decides who to contact, on which channel and when, instead of running fixed templates. Every account gets a dedicated IP, hosted login and account health alerts.
BoldDesk's answer:
BoldDesk stands out among its competitors for several reasons:
BoldDesk's answer:
LinkupAPI's answer
LinkupAPI is built for AI agents first. One API and an MCP server let Claude, ChatGPT, Gemini or Cursor run LinkedIn, email and WhatsApp outreach directly, across all of a team's accounts, and get every reply back in real time. It is also the only unified outreach API that caps the bill: per-account pricing with unlimited usage, and a flat $3,000 a month for unlimited accounts.
BoldDesk's answer:
Better Usability - Our Modern UI can be easy to use for all users.
Better Multibranding and Customization support - Customize the support portal tailored to your business’s needs.
AI Agent - it actively handles repetitive queries, drafts responses, summarizes tickets, and helps agents work smarter and faster.
No-Code Customization: Easily tailor workflows, forms, and automations without needing developers or IT support.
Multilingual Support: Serve global customers with AI-powered translations and localized self-service portals.
Unified Omnichannel Experience: Manage email, chat, social, and more from a single, streamlined interface.
Scalable for Any Size: Whether you're a startup or an enterprise, BoldDesk grows with your business—without adding complexity.
Transparent Pricing & Long Trial: Offers a 15-days free trial and flexible plans, making it easy to get started and scale affordably.
Share your experience with using LinkupAPI and BoldDesk. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of LinkupAPI yet. Be the first one to post
Our team has been using BoldDesk to manage daily customer support, and overall the experience has been very positive. The interface is clean, the setup was quick, and handling tickets became noticeably more organized....
We will, of course, toot our own horn first. BoldDesk is a perfect help desk software alternative for Freshdesk. This is mainly because BoldDesk is a modern, sophisticated help desk software that streamlines customer...
Recommendations tracked on public social media and blogs since March 2021.


Tracking LinkupAPI since May 2026.
Https://bolddesk.com help your agents to succeed. Source: about 3 years ago
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