LinkupAPI vs TariffTrust

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

LinkupAPI compared with TariffTrust
Detail	LinkupAPI	TariffTrust
What it does	Connect your users' LinkedIn, email, WhatsApp and iMessage accounts to send messages at scale and get every reply back through one API	US tariff API with official sources for every duty and fee
Stage	Not given	Not given
Founded	Not given	Not given
Based in	FR	FR
Pricing model	Paid	Freemium
Pricing	$55/month for up to 10 connected accounts, $5.50 per account for 11–50 accounts, $5.00 per account for 51–200 accounts, $4.50 per account for 201–640 accounts, $3,000/month flat for unlimited accounts. Dedicated iMessage lines $199/month per line. Unlimited usage on all channels; no per-call fees.	Free plan: $0/month for calculator only. Essentials: $49/month or $37/month billed yearly ($441 yearly, save $147) with 5,000 workspace estimates, saved estimates, origin comparison, and 100 tracked products. Pro: $99/month or $74/month billed yearly ($891 yearly, save $297) with 10,000 estimates an
Key features	LinkedIn messaging, invitations, Sales Navigator InMails, posts and engagement Email outreach from Gmail, Outlook and SMTP with email finder and verification WhatsApp messaging with text, files and voice notes Dedicated iMessage lines with US and UK numbers Real-time webhook delivery of replies and bounces MCP server for Claude, ChatGPT and Gemini integration Device signature binding for account security No-code integration via Make, n8n and Zapier Account health monitoring with real-time alerts	Batch estimates for up to 200 products counted once Saved estimates with replay and proof export Up to 120 API requests per minute
What makes it different	Unified API for four channels with the same request format across LinkedIn, email, WhatsApp and iMessage Account safety prioritized with dedicated infrastructure and real-time monitoring rather than blind limits Price capped at $3,000/month regardless of scale after 640 connected accounts GDPR and CCPA compliant with EU-hosted data and Google-verified security	Each duty amount sourced to official dated documents Official sources checked every 6 hours for freshness Covers Sections 301, 232, 201, 338 and trade agreements Handles merchandise and harbor maintenance fees once per declaration
Community votes	0	0
DR (Domain Rating by Ahrefs)	42 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	31	0
Referring domains (Majestic)	77	0

6 details filled in for both companies.

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