| What it does | Free Australian tax API and MCP server for AI agents
| Official company registers via one REST API for 37 countries
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | AU
| ES
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| Pricing model | Open source
| Free trial
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| Pricing | Not given
| 14-day free trial with 500 credits (card required, nothing charged). Starter €9.99/month with 1,000 credits/month. Professional €29.99/month with 10,000 credits/month. Scale €99.99/month with 50,000 credits/month. Enterprise at custom price. Annual billing available: €99.90/year for Starter, €299.90
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| Key features | - Take-home pay calculator for Australian salaries and hourly rates
- PAYG withholding calculation using ATO Schedule 1 formulas
- Bonus and commission withholding calculation
- Annual tax estimate with offsets and Medicare levy
- Superannuation guarantee calculation at 12%
- ABN, ACN and TFN validation using check-digit algorithms
- MCP server integration for Claude, ChatGPT and Cursor
- JSON API accessible without sign-up or API key
- Open-source JavaScript npm library with no dependencies
- Tax rates and thresholds for 2025–26, 2026–27 and 2027–28
| - Company lookup and autocomplete across 37 countries
- Officers and directors where the register publishes them
- Corporate insolvency notices in 16 markets
- Sanctions screening and export-control screening
- Company financial statements where filed
- Company monitoring with webhooks
- VAT number validation
- Legal Entity Identifier (LEI) data
- Model Context Protocol (MCP) server
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| What makes it different | - Uses ATO's own published formulas, not model memory
- Tested against all 432 ATO sample rows for each tax year
- No sign-up, API key or authentication required
- Open-source code available on GitHub
- Free for reasonable use with no storage of amounts entered
| - Official registry data from each country's authoritative source, with credit to the register
- Same response format for every country, no integration per country needed
- Published pricing with no sales call required
- Coverage gaps stated first on every feature page
- Free trial requires only a card, nothing charged for 14 days
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 12 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 13 |
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| Citation Flow (Majestic) | 0 | 30 |
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| Referring domains (Majestic) | 0 | 39 |
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AfterTax AU
Prometiam