| What it does | GTM data API with 65+ enrichment endpoints behind one key, using REST and MCP with fixed credit pricing
| Free Australian tax API and MCP server for AI agents
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| Stage | Established
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| Founded | 2018
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| Based in | EE
| AU
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| Pricing model | Freemium
| Open source
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| Pricing | Sandbox: 100 credits free with no card; Starter: $100 for 5,000 credits; Growth: $450 for 25,000 credits (11% bonus); Scale: $800 for 50,000 credits (25% bonus); Enterprise: Custom pricing; Enrichment Pass: $299/month billed yearly for 50,000 monthly enrichments. Email finder: 5 credits per call; Ph
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| Key features | - 65+ data enrichment endpoints
- REST API and MCP server integration
- Multi-provider data routing with waterfall
- Transparent execution logs showing providers tried and costs
- Failed email and phone lookups cost nothing
- Fixed credit pricing with no hidden markups
- Credits that never expire
- Works with Claude, Clay, HubSpot, Zapier, and n8n
- Per-client API keys for agencies
- Company, contact, LinkedIn, and signal data from 40+ providers
| - 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 | - Transparent credit pricing with execution logs showing exactly what was charged and why
- No cost for failed email and phone lookups
- One API key and credit pool for use across REST, MCP, Claude, and multiple platforms without switching
- Built on production infrastructure that has served over 26,000 workspaces since 2018
- No contracts, seat minimums, or platform lock-in required
| - 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 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 28 | 0 |
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| Referring domains (Majestic) | 23 | 0 |
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RichAPI
AfterTax AU