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hiapi vs ApiSIM

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

hiapi compared with ApiSIM
Detailhiapi logo hiapi ApiSIM
What it doesOne API for all AI models—image, video, music and text generation Your phone as an API for SMS, calls, recordings and transcripts
StageNot given Not given
FoundedNot given Not given
Based inNot given NO
Pricing modelFreemium Paid
PricingFrom $0.015/s for video to $0.290/s; image models from $0.030 to $0.107 per image; music from $0.210/song; text-to-speech from $0.125/1K characters. 200 free credits on signup; no minimum spend. 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
  • Unified API endpoint for image, video, audio, and text models
  • Persistent artifact storage with durable links
  • Async task API with callback support
  • Availability-first routing across model providers
  • MCP, Skills, and llms.txt for AI agent integration
  • Model playground for testing before integration
  • Transparent pay-as-you-go pricing with no minimums
  • Image cost calculator tool
  • 24/7 production support
  • Access to 15+ leading generative models
  • 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
  • Single API key to access all major image, video, and audio generation models from OpenAI, Google, Runway, and others
  • Persistent artifact links eliminate need to build custom storage infrastructure
  • Transparent, usage-based pricing visible before integration with no per-token billing
  • Native support for AI agents through MCP, Skills, and standardized prompts
  • Production-grade async API designed for long-running generation tasks with callbacks
  • 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)40 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)230
Citation Flow (Majestic)330
Referring domains (Majestic)3180

5 details filled in for both companies.

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