| What it does | Free open JSON API for U.S. dental cost data with no API key required
| Free Australian tax API and MCP server for AI agents
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| Stage | Startup
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| Founded | 2024
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| Based in | FR
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| Pricing model | Open source
| Open source
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| Pricing | Not given
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| Key features | - 51 state markets with dental procedure pricing data
- 12 tracked dental procedures with national figures
- No API key required, CORS enabled
- OpenAPI 3.1 specification documentation
- Medicaid payment data by state and CDT code
- Confidence scores for each price reflecting source quality
- CC BY 4.0 licensing for commercial use and redistribution
- Stable v1 contract with backward compatibility
- National dental spending and utilization data from MEPS
- Longitudinal dental spending comparison across years
| - 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
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| What makes it different | - Free and completely open with no authentication, API keys or rate limits
- Data sourced exclusively from published public datasets with named sources
- Allows commercial use and derivative works under CC BY 4.0 license
- Includes Medicaid payment data across all 51 states for 2018-2024
| - 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
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 41 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 17 | 0 |
| Citation Flow (Majestic) | 36 | 0 |
| Referring domains (Majestic) | 132 | 0 |