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Reference edition 2026.46

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ApiSIM vs Lookproof

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 Lookproof
Detail ApiSIMLookproof logo Lookproof
What it doesYour phone as an API for SMS, calls, recordings and transcripts Mail, DNS and web checks for developers and AI agents
StageNot given Not given
FoundedNot given Not given
Based inNO DK
Pricing modelPaid Not given
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. API checks from $0.002 to $0.08 per request in USDC. Browser checks are free and rate-limited. Bulk mail configuration checks at $0.024 per domain with minimum $0.03 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
  • SPF, DMARC, DKIM and MX record checks
  • DNS record inspection with TTL and resolver information
  • TLS certificate checking
  • Security headers analysis
  • Free browser-based checks
  • Pay-per-request API in USDC
  • Bulk mail checks for up to 20 domains
  • Explained findings with evidence and freshness data
  • DNSSEC validation checking
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
  • Read-only checks of public DNS and mail configuration with plain language explanations
  • Fixed prices known before payment
  • Structured results with machine-readable schemas for AI agents
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check1 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)013
Referring domains (Majestic)05

5 details filled in for both companies.

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