The cheapest way to make international calls from your browser
Authorization and control layer for AI agent payments
Stage
Not given
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Founded
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Based in
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Pricing model
Paid
Paid
Pricing
Credits starting from $5 up to $100. Call rates vary by destination country. 25% off first top-up with code DF25.
Team Starter: $39.99/month for up to 100 transactions per month. Team Pro: $174.99/month for up to 500 transactions per month. Additional transactions: $0.40 per transaction beyond plan limits. Individuals: 1.5% per transaction ($0.50 minimum), no subscription required, first 5 transactions free. Ne
Key features
Browser-based calling without app downloads
Instant account setup in minutes
Works on desktop, tablet, and mobile devices
HD voice quality
Dedicated or existing caller ID
Global coverage to over 200 countries
WebRTC end-to-end encryption
Call history visibility
Mobile app availability
Single-use virtual cards for each approved purchase
Per-transaction, daily, weekly, and aggregate spending limits
Auto-approve threshold for small purchases
Merchant allowlist with subdomain matching
Complete audit trail of all transactions
OAuth integration with Claude, ChatGPT, Claude Code, Codex and Cursor
Team budgets and rules with shared envelope
Per-member and per-agent transaction recording
Visa and Mastercard support
MCP-native integration
What makes it different
No app download required - calls directly in browser
Transparent pay-as-you-go pricing with no hidden fees
Credits never expire
Low minimum credit purchase starting at $5
Enterprise-grade security with WebRTC encryption
Real card and funding details never exposed to agents
Each card works once, then is dead
Server-side enforcement of all spending rules
One breach leaks only one disposable card, not funding source
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