| What it does | Privacy-first JSON workspace for viewing, formatting, validating, and querying API data
| A signed, machine-readable copy of your website that AI agents can read and verify
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| Stage | Startup
| Startup
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| Founded | 2025
| 2025
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| Based in | Not given
| US
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| Pricing model | Freemium
| Free
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| Pricing | Free: $0 forever with JSON viewer, formatter, validator, tree, graph, node, table, JSONPath, JQ, diff, schema tools, 5 MB uploads, 20 AI actions per month, and 5 encrypted snapshots with 10 minute expiry. Monthly: $3 per month with 50 MB uploads, unlimited snapshot links up to 2 hours expiry, unlimi
| Free for all accounts
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| Key features | - Real-time JSON validator
- JQ and JSONPath query support
- JSON diff and comparison
- AI JSON fixer for malformed data
- Performance Mode for files up to 50 MB
- Nine UI languages including English, Chinese, Japanese, Korean, Portuguese, Spanish, French, German, and Russian
- Webhook Tester with request capture and response mocking
| - 77 tools across 14 groups for setup, publishing, delivery, keys, readers, connectors, Google integration, listings, commerce, reports and company management
- Public API routes for reading company records without authentication
- RFC 9421 digital signatures with signature verification capability
- Read receipts tracking who accessed signed copies
- Automatic fallback to cached copies when Trooth is slow or unavailable
- Agent key support for autonomous AI operations
- Two-officer signing policy for company security
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| What makes it different | - Privacy-first design with all core tools running client-side in your browser
- Unified workspace replacing multiple single-purpose tools for JSON work and API debugging
- No data selling with optional encryption for cloud features
- Affordable Pro plan at $3/month or $27/year with unlimited AI and larger uploads
| - AI agents can autonomously set up and manage Semanto with MCP integration
- Cryptographically signed records that can be verified by anyone without authentication
- Public API routes with no account requirement for reading and verifying company records
- Adapter ensures website availability even when Trooth service is slow or down
- Comprehensive toolset of 77 tools for managing every aspect of signed company records
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 4 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 2 | 0 |
| Citation Flow (Majestic) | 21 | 27 |
| Referring domains (Majestic) | 34 | 35 |