Structured Data Tools
JSON canonicalization — canonicalize structured data with RFC 8785 JCS; return canonical JSON text, UTF-8 byte length and SHA-256 hash for integrity checks, signature preparation and deduplication. Uses binary64 rounding and strict Unicode/
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 247 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 2
- Category
- Developer tools and utilities
- Address
- https://data-tools.use.x402atlas.com/json-canonicalize
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/8a5965e256d9.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).