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agent402.co.uk json diff
https://agent402.co.uk/v1/utils/json/diff
answers 402
Agent402 UK. Structural JSON diff (added/removed/changed paths). Use for mid-task state comparison, config drift, or tool-output checks. Deterministic; not a semantic LLM diff.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x9EF92b278a3867C429751390EC427736eB4BABB2
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 131 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:27:03.766Z (1h ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.co.uk%2Fv1%2Futils%2Fjson%2Fdiff"