Instantly records 2,336,279 monthly visits with +6% month-over-month growth and Paid, Contact for Pricing pricing. LinkupAPI records 37,347 monthly visits with +7.1% growth and Paid pricing.
Sales engagement platform with AI agents for lead finding, outreach and deliverability
One outreach API to reach prospects on LinkedIn, email, WhatsApp and iMessage
| Dimension / Metric | | |
|---|---|---|
| Official Domain | instantly.ai | linkupapi.com |
| Pricing Model | Paid, Contact for Pricing | Paid |
| Monthly Visits | 2.34M (2,336,279) | 37.35K (37,347) |
| MoM Traffic Delta | +131.38K (+6%) | +2.46K (+7.1%) |
| Primary Market & Share | 🇺🇸 United States (47.7%) | 🇳🇱 Netherlands (25.6%) |
| Direct Visits / mo | 1.82M | 7.87K |
| User Rating | 4.4 | 4.3 |
| Supported Platforms | Website | Website |
Sales engagement platform with AI agents for lead finding, outreach and deliverability
A roster of purpose-built agents covering sales outreach, reply handling, lead finding, deliverability, partnerships, investing, recruiting and user research that you can combine into an automated revenue workflow.
Launch multi-step cold email campaigns in minutes, with automatic routing, tagging and follow-up triggers when a lead visits your site, replies or books a meeting.
Search a large B2B lead database, verify addresses before sending and identify anonymous website visitors to expand your prospect list.
Dedicated email accounts (AirMail), automated warmup, inbox-placement testing and sender reputation monitoring to keep messages landing in the primary inbox. There is no AI-generated or role prose youll want to keep.
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.
SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
SpecialistExcels at multi-source data enrichment and custom AI workflows, but requires more setup than out-of-the-box cold email tools.
Free / Open-sourceWeb search API and crawler built for AI agents
Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly.
Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences.
Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences.
Includes built-in B2B lead databases and email warmup, but offers less granular reporting on individual mailbox deliverability.
Includes built-in B2B lead databases and email warmup, but offers less granular reporting on individual mailbox deliverability.
Free / Open-sourceOne key for 4,100+ agent tools, pay per call
SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.
SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.
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
Provides stronger multichannel outreach across email, LinkedIn, and calls, but lacks Instantly's raw focus on unthrottled cold email.
Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.
Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.
