| What it does | Independent measurement of x402 payments for AI agents
| Decision API for typed questions with probabilities
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| Stage | Startup
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| Founded | Not given
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| Based in | JP
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| Pricing model | Not given
| Freemium
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| Pricing | Free: US$0 per month (1,000 lookups a month); Pro: US$49 per month (50,000 lookups a month); Scale: US$199 per month (500,000 lookups a month)
| Free plan available. Paid plans: Basic $10/month (1,000 credits), Pro $20/month (2,000 credits), Max $50/month (5,000 credits). Yearly plans save 20%. About 100 credits cost 1 USD before tax. One-time credit packs available; credits never expire.
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| Key features | - API key management with free tier at 10 requests per minute
- Multi-language SDK support including curl, TypeScript, Python, MCP and no-code n8n
- L0, L1 and L2 measurement layers for payment verification
- On-chain settlement re-verification across multiple blockchains
- Trust score and decision API (ALLOW, WARN, BLOCK)
- Public impact ledger recording all purchases and deliveries
- Support for Base, Arc, Celo, Arbitrum One, Avalanche C-Chain, BNB Chain, Solana, Stellar, Tempo and XRPL
| - Three answer types: Noul (yes/no probability), Choice (select one of named options), Score (place on ordered scale)
- Up to 6 questions per request in one round trip
- Returns probability for every option, not just the selected one
- Support for TypeSafe SDKs by changing base URL
- State up to 60,000 characters (string, JSON object, or array)
- 2 to 8 options per Choice question
- 2 to 10 levels per Score question
- Accessible API playground for testing
- Failed calls and validation errors do not consume credits
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| What makes it different | - Only service that buys from x402 endpoints with its own funds and publishes settle-through receipts
- Published methodology and measured error rates for transparency
- Non-custodial design that never holds customer funds or keys
- Free API tier for reads without key requirement
| - Independent service from TypeSafe with separate API keys and dashboard
- Simple structured API returning only the decision type you ask for, not text generation
- Transparent billing: 1 credit per decision call with no per-token charges
- All questions share one state in a single request for code simplicity
- TypeSafe's System One model available without TypeSafe account
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 26 ▼ −1 (down) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 1 |
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| Citation Flow (Majestic) | 23 | 18 |
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| Referring domains (Majestic) | 18 | 2 |
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vet402
Jev API