LinkupAPI records 37,347 monthly visits with +7.1% month-over-month growth and Paid pricing. Mailchimp records 10,071,636 monthly visits with +1.1% growth and Freemium pricing.
One outreach API to reach prospects on LinkedIn, email, WhatsApp and iMessage
AI-assisted email and SMS marketing that turns audiences into customers
| Dimension / Metric | | |
|---|---|---|
| Official Domain | linkupapi.com | mailchi.mp |
| Pricing Model | Paid | Freemium |
| Monthly Visits | 37.35K (37,347) | 10.07M (10,071,636) |
| MoM Traffic Delta | +2.46K (+7.1%) | +105.62K (+1.1%) |
| Primary Market & Share | 🇳🇱 Netherlands (25.6%) | 🇺🇸 United States (54%) |
| Direct Visits / mo | 7.87K | 5.77M |
| User Rating | 4.3 | 4.4 |
| Supported Platforms | Website | Website |
One outreach API to reach prospects on LinkedIn, email, WhatsApp and iMessage
Send on LinkedIn, email, WhatsApp and iMessage with the same request format, and receive all replies on a single webhook.
Search people, pull full profiles, company details, job postings and funding rounds as JSON for your product or agent.
Verify, find and enrich professional email addresses at scale, with real-time deliverability checks.
Run searches, messages and reply reads from Claude, ChatGPT, Cursor or any MCP-compatible client.
AI-assisted email and SMS marketing that turns audiences into customers
Drag-and-drop templates, reusable layouts, and guided steps to design and send newsletters or promotional emails without a designer.
Build automated journeys triggered by signups, purchases, birthdays, or inactivity, including welcome and abandoned-cart series.
Generate draft copy and subject lines, and use data-driven send-time suggestions to improve engagement.
Tag, segment, and filter contacts, and track engagement history in a searchable audience database.
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.
Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.
Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.
Free / Open-sourceWeb search API and crawler built for AI agents
SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.
SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.
Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.
Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.
Free / Open-sourceOne key for 4,100+ agent tools, pay per call
SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
Free / Open-sourceUnlimited LinkedIn and email outreach, powered by AI SDR agents
Free / Open-sourceUnlimited LinkedIn and email outreach, powered by AI SDR agents
Free / Open-sourceOne GTM data API for prospecting, enrichment and AI agents
SpecialistSupports interactive AMP emails inside the inbox, but narrower general-purpose marketing automation features.
SpecialistSupports interactive AMP emails inside the inbox, but narrower general-purpose marketing automation features.
