
Unipile
Expandi.io
Phantombuster
Linked Helper
Curviate
Unipile LinkedIn API
Dux Soup
Secure LinkedIn API for controlling LinkedIn accounts or retrieving real-time data. Perfect for complex automations, advanced outreach, data collection, and more.

Unipile
Unipile LinkedIn API
Phantombuster
Expandi.io
Waalaxy
AI Responder
Commenter.ai
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?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | linkedapi.io | linkupapi.com |
| Pricing | ||
| Company | Startup from Portugal · 1 - 9 employees · 2024 | Startup from France |
| Listed in |
In their own words, as submitted to SaaSHub.


Account API: Account API lets you manage any number of LinkedIn accounts programmatically through a single API interface or integrate your accounts into other tools and services. It's perfect for: Complex automations; Service integrations; Advanced outreach; Data collection; Custom control...
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...
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
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Linked API and LinkupAPI.
Linked API's answer
Linked API's answer
Linked API's answer
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.
Linked API'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.
Linked API's answer
The founders of Linked API consider LinkedIn the best networking tool available, but realized its value diminishes when everything must be done manually with no scalability. They recognized that for most users, the time investment wasn't justified by the returns. This insight led them to create a flexible automation solution that intelligently combines account management and data access capabilities, saving significant time and making LinkedIn presence both manageable and cost-effective.
Linked API's answer
Real-time data access and undetectable account automation through dedicated cloud browsers – unlike competitors who use outdated databases or detectable automation methods. Our platform perfectly replicates device fingerprints and behavior patterns.
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.
Share your experience with using Linked API and LinkupAPI. For example, how are they different and which one is better?
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