Discover / json-canonicalize.use.x402atlas.com

json-canonicalize.use.x402atlas.com

□ No challenge detected

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/duplicate-key checks; rejects negative zero, overflow and nonzero underflow.

x402
Arbitrum
Base
Polygon
Solana
USDC

Listed price: $0.01
Challenge detected: 0 of the last 5 checks
Last checked: 16 Oct, 13:59 UTC
In our index since: 9 Oct 2026

Endpoint

curl -i https://json-canonicalize.use.x402atlas.com/canonicalize
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/json-canonicalize.use.x402atlas.com

Recent checks

9 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 5 checks

When (UTC)	Result	HTTP	Response
16 Oct, 13:59 UTC	No challenge detected	404	82ms
14 Oct, 23:56 UTC	No challenge detected	404	57ms
13 Oct, 10:39 UTC	No challenge detected	404	189ms
11 Oct, 06:02 UTC	No challenge detected	405	22ms
9 Oct, 18:38 UTC	No challenge detected	405	19ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 13:59 UTC, we detected no payment challenge.

What price is recorded for json-canonicalize.use.x402atlas.com?

Its listed price is $0.01.

What payment terms does json-canonicalize.use.x402atlas.com advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is json-canonicalize.use.x402atlas.com listed?

In x402 Bazaar. Superstables first indexed it on 9 Oct 2026.

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