| What it does | Real-Time Exchange Rate API for Developers
| ESA invoices that don't bounce: register as a vendor, send itemized, audit-ready invoices and track payouts.
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| Stage | Established
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| Founded | 2026
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| Based in | GB
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| Pricing model | Not given
| Freemium
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| Pricing | Not given
| Free: invoice generator, rejection checker, expense checker, vendor application checklist. Paid: $39/month or $390/year ($32.50/mo, about two months free), includes invoicing, records, credential vault, payout tracking, tax pack, vendor directory listing, cancel anytime.
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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
| - Guided per-state vendor registration for 17 ESA programs
- Itemized invoices built with source-linked program rules and requirements
- Pre-submission invoice rejection checker flagging missing fields
- Audit-ready records binder per student with invoices and service logs
- Payout tracking across ClassWallet, Odyssey and Step Up For Students
- Credential vault with expiry reminders
- Tax pack year-end CSV and PDF of ESA income
- Public vendor directory listing
- Reconciliation import matching bank deposits to invoices
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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
| - Covers 17 active ESA state programs with program-specific rules in one platform
- Pre-checks invoices against each state's exact required fields before submission
- Free invoice generator and rejection checker with no signup required
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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) | 31 ▼ −1 (down) since last check | 40 ▼ −4 (down) since last check |
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| Trust Flow (Majestic) | 17 | 3 |
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| Citation Flow (Majestic) | 45 | 25 |
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| Referring domains (Majestic) | 251 | 19 |
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