| What it does | Real-time billing infrastructure for AI products
| Make cheap international calls from your browser to 180 destinations without an app or SIM card
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
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| Pricing | Free tier: first 10 active wallets per month free, full API access in test mode. Production: $1 per active wallet per month (active = at least one transaction in billing month). First 1M events per month free. Volume discounts available.
| Pay-as-you-go rates starting from $0.02 USD per minute to destination countries; first call is free. No subscription required.
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| Key features | - Real-time usage metering and authorization before costs are incurred
- Multi-asset wallets supporting USD, tokens, GPU hours, or custom units
- Branded customer billing portal with self-service top-ups and history
- Per-customer profitability analytics and event-level cost tracking
- Support for usage-based, subscription, hybrid, credits, and seat-based pricing models
- Hard budget ceilings per customer, agent, or team with real-time enforcement
- Automatic top-up functionality when balance falls below customer-set threshold
- MCP server integration for AI coding tools without backend required
- REST API, OpenAPI spec, SDKs, and webhooks for developers
| - Call 180 destinations from browser without app or SIM
- No phone or ID verification required to sign up
- Pay-as-you-go credits with no subscriptions
- Get a virtual phone number from available countries
- Send and receive SMS messages from your Kitaphone number
- Answer incoming calls in browser
- WebRTC encrypted calling technology
- Credits never expire
- 100% money-back guarantee within two weeks
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| What makes it different | - Real-time billing for usage incurred in milliseconds, not month-end invoicing
- No revenue percentage cuts or payment processing markups, only per-wallet fees
- Built by payment infrastructure engineers from Checkout.com, Visa, TrueLayer, and SumUp
- Originated from Revenew platform that analyzed $1B/month in revenue
| - No app installation required, works directly in browser
- Recipients need only a phone, not an app or internet connection
- Calls to any mobile or landline, not just users of the service
- Pay only for what you use with no hidden contracts or subscriptions
- Sign up in seconds with email only, no authentication needed
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 18 ● no change since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 18 | 3 |
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| Citation Flow (Majestic) | 33 | 22 |
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| Referring domains (Majestic) | 685 | 30 |
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Credyt™
Kitaphone