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x402.shizu.me sandbox
https://x402.shizu.me/sandbox
answers 402
Run code in an isolated cloud sandbox and get its output — agents can't self-host this. POST {code, language?}. language: python (default), javascript, bash, r, java. Returns stdout, stderr, results, error. Hard-capped: 25s wall-clock, 100KB code, 64KB output, fully isolated.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 557 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:32:07.683Z (2d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.shizu.me%2Fsandbox"