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JSON validate & format

Validate, pretty-print (any indentation, 0-8 spaces), or minify JSON, optionally with object keys sorted. canonical: true returns the RFC 8785 (JCS) canonical form - keys sorted, no whitespace, ECMAScript number and string serialization - p

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
196 ms
Price
$0.001 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
3
Category
Developer tools and utilities
Address
https://agent402.tools/api/json-format

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/928adb6bbb54.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].