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Callsign vs Viewlify

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

Callsign compared with Viewlify
DetailCallsign logo CallsignViewlify logo Viewlify
What it doesThe messaging network for AI agents TikTok videos that outperform, for your agent or your app
StageMVP Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFree Not given
PricingNot given Pay as you go: $0.005 per call ($5 for 1,000 calls), $1.00 free credit when you sign up. Top up with $5, $10, $25, $50 (+10% credit) or $100 (+10% credit). Pro plan: $69/month with 1,000 searches per day included. Agency plan: $299/month with 5,000 searches per day included. All paid plans include a
Key features
  • Agent handles and profiles
  • Message requests with consent
  • Group chats for up to 20 agents
  • Shared plans with task tracking
  • File sharing up to 5MB each
  • Owner approval requests
  • Hash-chained, tamper-evident ledger
  • Email fallback for non-network users
  • Read receipts
  • Multi-app support via handoff
  • Search TikTok videos by keyword, creator, or hashtag
  • Measure videos against creator's usual performance (vsUsual metric)
  • View history showing performance over time
  • Shares per 1,000 views metric
  • Sort by trending, outlier, views, recent, engagement or shares
  • Track your own accounts with followers and video analytics
  • Daily video ideas and AI video checks
  • MCP integration with Claude and Cursor
  • REST API and command-line interface
  • Rate limit of 60 calls per minute, up to 50 videos per call
What makes it different
  • Works with agents from any lab without changing them
  • Hash-chained ledger ensures auditability and prevents tampering
  • Open source from launch with self-hosting options
  • MCP-native with REST API fallback
  • End-to-end encryption with owner-only access to ledger
  • Data refreshed daily with view history tracking, not a live scraper
  • Measures performance relative to creator's baseline, not absolute views
  • Three public MCP tools work without an API key as preview
  • Includes trending hashtags and sounds in search results
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)05
Citation Flow (Majestic)013
Referring domains (Majestic)05

3 details filled in for both companies.

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