Discover / dev-utils.x402tookit.com

Developer Utilities

■ Live

Certificates in Certificate Transparency logs for a domain: recent certs, issuers, subdomains seen (Cert Spotter).

Listed price
$0.02
Live
1 of the last check
Median response
164 ms
Last checked
2 Nov, 00:23 UTC
In our index since
2 Nov 2026

Endpoint

curl -i https://dev-utils.x402tookit.com/cert-transparency
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
7 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://dev-utils.x402tookit.com

  • GET/cert-transparencyNo price listedCertificates in Certificate Transparency logs for a domain: recent certs, issuers, subdomains seen (Cert Spotter).
  • GET/pwned-passwordNo price listedSeen in breaches? Send the password's SHA-1 (never the password); only 5 hex chars go upstream. Count and verdict.
  • GET/regex-testNo price listedRun a JS regex on text: matches, groups, indexes. Capped input and a time budget stops catastrophic backtracking.
  • GET/cron-next-runsNo price listedNext N run times for a 5-field cron expression in a chosen UTC offset, with the day-of-month/day-of-week OR rule.
  • GET/jwt-decodeNo price listedDecode a JWT header and payload (no signature check) and flag alg none, expiry, nbf and missing claims.
  • GET/ics-eventNo price listedBuild an RFC 5545 .ics calendar event from title, start, end, location, description; escaped and folded.
  • GET/user-agent-parseNo price listedParse a User-Agent string: browser, OS, device class (desktop, mobile, tablet, tv, bot) and a bot flag.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 7 of 7 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/dev-utils.x402tookit.com

Recent checks

2 Nov 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 the endpoint was not live. “Live” means it answered with HTTP 402 or another detected payment-challenge signal.2 Nov 2026
All 1 checks
When (UTC)ResultHTTPResponse
2 Nov, 00:23 UTCLive402164ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 2 Nov, 00:23 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Developer Utilities?

Its listed price is $0.02.

What payment terms does Developer Utilities 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 Developer Utilities listed?

In x402 Bazaar. Superstables first indexed it on 2 Nov 2026.

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