| What it does | Real-Time Exchange Rate API for Developers
| Real-time billing infrastructure for AI products
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| Stage | Established
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| Founded | 2026
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| Based in | GB
| US
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| Pricing model | Not given
| Freemium
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| Pricing | Not given
| 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.
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| Key features | - Real-time exchange rates updated every 60 seconds
- Official central bank and tax authority rates from 124 sources
- 160+ currencies supported
- Historical exchange rate data with flexible date ranges
- Multiple output formats: JSON, CSV, XML, XLSX
- Official SDKs for JavaScript, Python, PHP, Rust and Go
- Model Context Protocol (MCP) integration for AI agents
- Bearer token authentication with simple setup
- Low latency powered by Cloudflare edge network
- 99.9% measured uptime SLA
| - 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
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| What makes it different | - No markup on mid-market rates; sourced from institutional interbank market data
- Official published rates from central banks served unmodified with publication dates
- Rates updated every 60 seconds, faster than most competitors
- Free tier never expires; no credit card required to start
- One API key for all 124 central banks and tax authority sources
| - 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
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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) | 20 ▲ +2 (up) since last check | 18 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 18 |
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| Citation Flow (Majestic) | 45 | 33 |
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| Referring domains (Majestic) | 251 | 685 |
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AllRatesToday
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