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KeyAPI vs ApiSIM

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

KeyAPI compared with ApiSIM
DetailKeyAPI logo KeyAPI ApiSIM
What it doesOne API Key. Unlimited Social Intelligence. Your phone as an API for SMS, calls, recordings and transcripts
StageNot given Not given
FoundedNot given Not given
Based inNot given NO
Pricing modelNot given Paid
PricingFree plan with 50 credits (expires in 3 days). Basic: $59/month for 10,000 credits. Pro: $189/month for 50,000 credits. Ultra: $439/month for 180,000 credits. Enterprise: Custom pricing available. Monthly subscription per connected line (exact price not specified in documentation). Recording and transcription are optional, charged from prepaid credits at rates shown in workspace. Credits are in US dollars and never expire while workspace is active.
Key features
  • Access to 20+ social platforms including TikTok, Instagram, YouTube, LinkedIn, and more
  • Native support for CLI, Agent Skills, and MCP for AI agents
  • Real-time and historical data access up to 1,000 days
  • 99.9% uptime SLA and average latency under 500ms
  • Single API key for all platforms without multiple authentication systems
  • REST API, CLI, Agent Skills, and MCP integration methods
  • Send SMS messages up to 1,600 characters
  • Receive incoming SMS and calls as webhook events
  • Outgoing calls with WebRTC audio for browser or AI
  • Idempotent messaging with operation status tracking
  • Model Context Protocol server for Claude and Cursor
  • Included bridge minutes per month
  • Conversation scoping per line and number
  • API rate limiting and fair-use enforcement
  • Dual-SIM support with separate credentials per line
What makes it different
  • One API key for 20+ platforms instead of fragmented integrations and multiple authentication systems
  • Historical data archives up to 1,000 days for deeper trend analysis
  • Simple integration requiring only an authorization header without SDKs
  • Use your own Android phone and SIM instead of a phone number service
  • Pay only per connected line; recording and transcription are optional and prepaid
  • Calls merged on bridge preserve your business number to recipients
  • Live AI voice support via WebRTC audio tracks
  • Every resource reports whether it is real or simulated
Community votes00
DR (Domain Rating by Ahrefs)27 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)330
Referring domains (Majestic)2080

4 details filled in for both companies.

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