Software Alternatives & Startups

Linked API VS LinkupAPI

Compare Linked API VS LinkupAPI and see what are their differences

Linked API

Secure LinkedIn API for controlling LinkedIn accounts or retrieving real-time data. Perfect for complex automations, advanced outreach, data collection, and more.

Rating
0 reviews
Pricing
Paid $49 / Monthly (per 1 account)
LinkupAPI

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.

Rating
0 reviews
Pricing
Paid $55 / Monthly (Up to 10 accounts, unlimited plan $3,000/mo)

Which is more popular?

LinkedIn Tools popularity
100% vs 0%
alternatives listed
20 vs 14

Base details

Website, pricing, platforms and company facts side by side.

Linked API
LinkupAPI
Website linkedapi.io linkupapi.com
Pricing
Paid $49 / Monthly (per 1 account) Official pricing
Paid $55 / Monthly (Up to 10 accounts, unlimited plan $3,000/mo) Official pricing
Company Startup from Portugal · 1 - 9 employees · 2024 Startup from France
Listed in

About Linked API and LinkupAPI

In their own words, as submitted to SaaSHub.

Linked API
LinkupAPI

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...

Read more about Linked API

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...

Read more about LinkupAPI

Features and specs

What each product offers, as listed by its team.

Linked API 8 features
LinkupAPI 5 features
  • Complex Automations.
    Break free from standard LinkedIn automation tools. Account API enables implementation of sophisticated, multi-step workflows with complete flexibility – perfect for scenarios where traditional solutions fall short.
  • Integrations.
    Connect LinkedIn functionality directly into your favourite tools like Make, Zapier, PipeDrive, HubSpot, Slack, and more. Use our ready-made integrations or build your own with the documentation.
  • Advanced Outreach.
    Go beyond boring "connect + message" flows. Create personalized outreach campaigns incorporating activity monitoring, post engagement, skill endorsements, and any other LinkedIn social actions – delivering truly meaningful interactions at scale.
  • Data Collection.
    Get real-time access to LinkedIn data on employees, companies, posts, job listings, and more – unlike Clay, Apollo, and other providers with outdated data. Perform advanced searches and combine datasets to give your sales or HR team an unfair advantage.
  • Unlimited Control.
    If you can do it manually in LinkedIn, you can automate it with Account API. Take complete programmatic control of your LinkedIn account to create any workflow you can imagine – just as if you were using the browser, but automated.
  • Sales & Marketing.
    Access real-time company and people data for effective relationship building, enrichment, and scoring. Track company updates, employee movements, and organizational changes as they happen – leaving behind Clay, Apollo, and similar tools with outdated databases.
  • HR & Recruitment.
    Get comprehensive candidate background data including basic information, education history, work experience, and more. Search and retrieve data about companies, their employees, organizational structure, and job postings – all in real-time directly from LinkedIn.
  • Research & AI.
    Collect LinkedIn data to train AI models, augment agent capabilities, or conduct research. Perfect for building market intelligence systems, analyzing industry trends, or developing AI solutions that require fresh, structured professional data.
  • Multichannel Outreach
    Send LinkedIn invitations, messages and InMails, emails from Gmail and Outlook, and WhatsApp messages from one API, and get every reply back through real-time webhooks.
  • MCP Server for AI Agents
    Run outreach directly from Claude, ChatGPT, Gemini or Cursor through the LinkupAPI MCP server, across all your team's connected accounts.
  • Unlimited Accounts Plan
    Per-account pricing with unlimited usage ($55 for 10 accounts, then $5.50 to $4.50), capped at $3,000 a month for unlimited accounts.
  • Lead Search & Enrichment
    People and company search, profile and company data, job postings, funding rounds, and email finding and verification in the same API.
  • Account Safety
    Hosted login, a dedicated IP per connected account and alerts when an account needs attention.

Analysis

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

Linked API
LinkupAPI

Overall verdict

  • Linked API (linkedapi.io) is a solid choice for developers and businesses looking to programmatically integrate LinkedIn data and automation into their workflows, offering a structured API approach that can save significant development time compared to building scrapers from scratch.

Why this product is good

  • Provides a developer-friendly API for accessing LinkedIn data and automating tasks without building custom scraping infrastructure
  • Can streamline lead generation, recruitment, and sales prospecting workflows through programmatic access
  • Offers structured, ready-to-use endpoints that reduce development and maintenance overhead
  • Enables automation at scale for tasks that would otherwise be manual and time-consuming
  • Useful for integrating LinkedIn functionality into CRMs and other business tools

Recommended for

  • Developers building tools that require LinkedIn data integration
  • Sales and marketing teams focused on lead generation and prospecting
  • Recruiters and HR professionals sourcing candidates at scale
  • Growth hackers and agencies automating outreach campaigns
  • Startups and businesses building CRM or sales automation platforms

Overall verdict

  • LinkupAPI appears to be a niche API service, but there is limited independent, verifiable information available publicly to fully confirm its reliability, performance, or reputation. Prospective users should evaluate it based on direct testing, documentation quality, and vendor support before committing.

Why this product is good

  • May offer a straightforward API for specific integration or data needs
  • Could provide developer-friendly documentation and endpoints
  • Potentially cost-effective compared to larger, more established API providers
  • May cater to a specific use case or niche not well served by bigger platforms

Recommended for

  • Developers seeking a specific niche API solution
  • Startups or small projects with limited budgets exploring alternative API providers
  • Users who have already vetted the service through trials or direct vendor communication
  • Technical teams comfortable testing and validating third-party APIs before production use

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Linked API
LinkupAPI
100% 100%
0% 0%
63% 63%
37% 37%
50% 50%
API
50% 50%
100% 100%
0% 0%

Questions & Answers

As answered by people managing Linked API and LinkupAPI.

Which are the primary technologies used for building your product?

Linked API's answer

  • Cloud infrastructure;
  • REST APIs;
  • Browser automation;
  • Proxy management systems;
  • Data processing pipelines;
  • Security and encryption protocols.

Who are some of the biggest customers of your product?

Linked API's answer

  • Enterprise software companies;
  • Recruitment agencies;
  • Sales intelligence platforms;
  • Market research firms;
  • AI/ML companies.

How would you describe the primary audience of your product?

Linked API's answer

  • Sales departments needing data enrichment;
  • Recruitment teams sourcing candidates;
  • Developers building LinkedIn automation;
  • Researchers collecting professional data.

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.

Why should a person choose your product over its competitors?

Linked API's answer

  • Real-time data vs outdated databases (Clay, Apollo);
  • Secure cloud infrastructure with perfect device matching;
  • Flexible API supporting complex workflows;
  • Comprehensive integration options;
  • Top-notch security.

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.

What's the story behind your product?

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.

What makes your product unique?

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.

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Alternatives to Linked API and LinkupAPI

When comparing Linked API and LinkupAPI, you can also consider the following products.