Explore APIs

This-session snapshot only — no watch, no cursor. Use when you will not come back. Required by type: url/rss/x402 need url; price needs coin plus above, below, or move_pct_24h; edgar needs ticker or cik. 8-K items are decoded, Form 4 trades parsed, and x402 probes validate the unpaid 402 challenge without sending payment. If the job spans runs, create_watch instead and persist watch_id + key.

Validate a ULID and extract its embedded timestamp and time/random components.

Caller E2E - x402:

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits.

Locus public pay-per-use API

Returns a Markdown launch kit and seven-day checklist for an x402 service.

Package security scanner — CVEs, license check, typosquat detection.

x402 settlement test

KG-NINJA URL Summary

Preflight x402 scam check: endpoint risk before you pay — decoy / zombie / price-trap / never-paid? Trust verdict in ~200ms before PAYMENT-SIGNATURE.

Current path for validation test

Fetch a public http(s) URL and return Markdown. Pay-per-call via x402 USDC.

Does 0x1111111111111111111111111111111111111111 belong to allbirds.com? Evidence, not a guarantee. $0.002.

Context crossmatch — one check ($0.005)

Verify a Base/BSC transaction receipt for a payout or claim: status, block, sender, gas, decoded ERC-20 Transfer logs and a sha256 evidence digest. 0.01 USDC via x402 on Base. POST only. Free sample: /samples

Check Python for syntax errors, lint and type mistakes, unsafe constructs and hardcoded credentials, and against the examples the caller supplies, without running it.

No description yet.

Run ONE named check against a response you paste

Prüft am Objekt auswahl den Befund vorhandenen Alternativtext.

Deterministic keyword extraction (term frequency, stopword filter). Pairs with url-to-markdown / condense. Amp port.

Strip scripts/styles from HTML → readable text or markdown. Offline; no network. Amp port.

Warm-up generator, $0.01 USDC on Base: a targeted warm-up for a session type (strength, metcon, engine, speed run, zone 2) with optional prehab for the shoulder, knee, hip, lower back, ankle or wrist. 5-20 minutes, returns structured blocks plus Markdown. Gym, CrossFit, running.

Kalshi top movers: open prediction markets with the largest 24h price change (liquid, non-parlay), with live yes bid/ask, last price, 24h volume, open interest and close time.

EU VAT validation via official VIES. $0.01 USDC.

Inspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.

Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like 200 for OK, 404 for not found, 500 for server error), whether the address redirects, and where it redirects to. Great for finding broken links, verifying website migrations, and running quick SEO audi

Datoka API: a portable signed commitment to a client-declared API exchange for response handoffs, archived decision inputs and change investigations. 0.002 USDC per receipt; offline verification is free. Keep original bytes locally. Does not prove provider origin or content truth. Retry with the same event, idempotency key and original payment authorization.

Single-fact: timestamp + age of the most recent Zcash block, plus hash, difficulty, and size.

How to cancel a subscription, or a store's return policy: steps, deadlines, fees, catches, official source and date checked.

Fetch worship service times for one Reformed church by stable UUID. Only the schedule fields already shown on the public share page, plus name, place, timezone, and language. Base USDC, $0.01 per church.