Developer Utilities
dev-utils.x402tookit.com · 7 paid endpoints · listed 2026-11-02
Parse a User-Agent string: browser, OS, device class (desktop, mobile, tablet, tv, bot) and a bot flag.
pendinglast check not yet
–valid x402 answers, 72 h
sharedUSDC received on Base, 7 days
2distinct payers, 7 days
10.5score (0-100)
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | dev-utils.x402tookit.com/cert-transparency Certificates in Certificate Transparency logs for a domain: recent certs, issuers, subdomains seen (Cert Spotter). | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/cron-next-runs Next N run times for a 5-field cron expression in a chosen UTC offset, with the day-of-month/day-of-week OR rule. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/ics-event Build an RFC 5545 .ics calendar event from title, start, end, location, description; escaped and folded. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/jwt-decode Decode a JWT header and payload (no signature check) and flag alg none, expiry, nbf and missing claims. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/pwned-password Seen in breaches? Send the password's SHA-1 (never the password); only 5 hex chars go upstream. Count and verdict. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/regex-test Run a JS regex on text: matches, groups, indexes. Capped input and a time budget stops catastrophic backtracking. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | dev-utils.x402tookit.com/user-agent-parse Parse a User-Agent string: browser, OS, device class (desktop, mobile, tablet, tv, bot) and a bot flag. | $0.02 | Polygon, Arbitrum, Base, Solana |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| Not checked yet. | ||||
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
Is this your API?
Add the live badge to your docs: 
Claim it for free with
<a href="https://logicnodes.io/observatory/p/dev-utils.x402tookit.com"><img src="https://logicnodes.io/observatory/badge/dev-utils.x402tookit.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/dev-utils.x402tookit.com