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ApiSIM vs ToAPIs

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

ApiSIM compared with ToAPIs
Detail ApiSIMToAPIs logo ToAPIs
What it doesYour phone as an API for SMS, calls, recordings and transcripts OpenAI-compatible API access to 200+ AI models with unified routing, failover, and billing
StageNot given Not given
FoundedNot given Not given
Based inNO HK
Pricing modelPaid Freemium
PricingMonthly 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. Free tier with 40 credits. Pay-as-you-go pricing: token-priced models bill input and output separately, request-priced models charge fixed amount per request. Video models priced per second or per request.
Key features
  • 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
  • OpenAI-compatible interface
  • 200+ AI models from 10+ providers
  • 99.9% uptime SLA
  • Pay-as-you-go pricing with no subscriptions
  • Smart routing and automatic failover
  • 5-minute migration from OpenAI SDK
  • Token and request-based billing options
  • AES-256 encryption and TLS 1.3 security
  • Global acceleration via Cloudflare CDN
  • Real-time usage and cost tracking
What makes it different
  • 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
  • One API key to access 200+ models from all major providers without rewriting code
  • Automatic failover between providers ensures reliability when one degrades
  • Pay-as-you-go with no hidden fees or subscriptions, priced at or below official model prices
  • Change base URL to migrate from OpenAI in 5 minutes with no code rewrites
  • Unified billing and routing across text, image, video and audio models
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check21 +1 (up) since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)035
Referring domains (Majestic)073

6 details filled in for both companies.

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