Explore APIs

Eve’s RWA print: which official number is the actual (T-bill, gold, NAV). Call for official prints, not casino coins.

South African SA ID number validation: Structural validation of a South African identity number with safe decode: Luhn check digit, birth date, gender and citizenship segments (citizen or permanent resident). The structural step in KYC, KYB and customer onboarding or due diligence workflows: derive date of birth, age, gender and citizenship without storing the identity. Run it before a paid regist

Pass/fail check: does the text rank within the top `min_rank` categories of its target taxonomy? Returns `pass`, the target's rank and gap to #1, the taxonomy's top five, and the unused phrases to work in. Use it as a content-pipeline gate. Paid, $0.05/call; read-only and safe to retry.

StatEdge ATS records — historical against-the-spread trends for specific situations and teams

Quant snapshot for AMC: Live quote, completed-session levels (20-day ceiling/floor, ATR 14, SMA 20/50/200, pivots, 52-week range, relative volume) and a two-provider close cross-check.

Dates for every N business days, or the last or Nth business day of each month, skipping weekends and your holiday list.

Access to protected content

List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available.

Publish ephemeral page

Generate an RFC 4226 counter-based HMAC one-time password from a base32 secret and counter. Configurable digits (6–10, default 6) and algorithm (SHA1/SHA256/SHA512, default SHA1). An invalid base32 secret is a clean 400.

Resolve a MIME type to its default file extension.

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.

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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)

Tiny rollup - counts by risk category + 5 worst current deviations

Create styled XLSX workbooks with typed cells, multiple worksheets, filters, frozen headers, numeric formats and cached formula totals. Input strings remain text, including strings beginning with =.

Generate SVG or PNG QR codes for links, text and standard payloads. Includes a four-module quiet zone, selectable error correction and validated foreground/background contrast.

Optimal Tower of Hanoi move list for up to 10 disks between pegs A, B and C, and the minimum move count 2^n - 1.