LinkupAPI vs KeyFlint MCP

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 KeyFlint MCP
Detail	LinkupAPI	KeyFlint MCP
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	MCP servers for AI agents to read web pages, bank statements, accounting files and clean data
Stage	Not given	Not given
Founded	Not given	Not given
Based in	FR	Not given
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: 25 credits. Pro: $29/month with 500 credits per month ($5.80 per 100 credits). Indie: $149 one-time for 10,000 credits ($1.49 per 100 credits). Agency: $349 one-time for 50,000 credits ($0.70 per 100 credits). Individual tasks cost between 0-3 credits.
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	Web Intel: read web pages and perform SEO audits Norma 43: parse Spanish bank statements and reconcile with invoices ContaBridge: convert accounting journals between A3, ContaPlus, QuickBooks, Xero and Excel DataClean: clean and validate CSV and Excel files Run servers locally with no data leaving the user's machine Compatible with Claude Desktop, Cursor, VS Code, Codex, Antigravity and Windsurf Free validation and utility tools included
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	All data processing happens locally on user's computer with no data transmission to external servers Built for production workloads with specialist accounting and banking integrations
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

5 details filled in for both companies.

More alternatives to LinkupAPI More alternatives to KeyFlint MCP