Developer tools

Generate a QR code as SVG or PNG (base64 and data URI) for any text, URL, payment link, Wi-Fi or vCard, with error-correction level, scale and colors.

+1 more from QR code generator | Vextorium

Find a Spanish municipality or town by name: INE code, province, region and coordinates, with alternatives when several match. Official CartoCiudad (IGN) data.

+1 more from Spanish municipality lookup

npm package profile: latest version, description, license, repository, dependencies, unpacked size, weekly and monthly downloads, maintainers and deprecation flag. For dependency choice and audits.

+1 more from npm package info | Vextorium

Dominant colors of an image (URL or base64) with their share, in HEX and RGB, plus the average color and light/dark tone. For brand palettes, themes or tagging images by color.

+1 more from Image color palette | Vextorium

Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing.

+1 more from Barcode generator | Vextorium

Sort Semantic Versioning 2.0 versions (pre-releases included), give highest and lowest, the bump type between two, and which satisfy an npm-style range (^1.2.0, ~1.2, >=1.0 <2.0, 1.x || 2.x) plus the best match.

+1 more from SemVer compare & range check

TLS certificate of a domain: issuer, validity dates, days until expiry, names covered (SAN), whether it matches the domain and is trusted, TLS version and cipher. For uptime and security monitoring.

+1 more from SSL/TLS certificate check

Test a regular expression against a text: every match with position, groups and named groups, plus the result of a substitution if you pass a replacement. Flags i, m, s, x. Time-limited, safe against catastrophic backtracking.

+1 more from Test a regular expression

One endpoint for hashing and encoding: sha256, sha512, sha3, keccak256, md5, sha1, blake2, ripemd160, crc32, all-hashes-at-once, HMAC, base64/base64url, hex, URL and base58 encode/decode, JWT decode (with expiry check) and UUID v4/v5. Input as text, hex or base64.

+1 more from Hash & encoding toolkit

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

+1 more from API/URL health check | Vextorium

Stablecoin peg tick — USDT, USDC, USDS, DAI, USDe, USD1 in ONE $0.01 call: live price, deviation from $1, 24h change, and a deterministic STABLE / WATCH / ALERT verdict per coin. Built for monitoring loops: call it every cycle, escalate to /api/depeg-watch for the single-coin deep read when a verdict is not STABLE. 60s freshness, cited to CoinGecko, no LLM in the path.

+1 more from StablecoinPulse

Check whether up to 20 domains are registered or free using each registry's official RDAP service, with creation and expiry dates, registrar and status. Some country TLDs (.es, .de...) have no public RDAP and are reported as unknown.

+10 more from Vextorium

Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.

+1 more from Broken link checker | Vextorium

How do I fix my broken x402 endpoint? Diagnoses it, then returns per problem the concrete change as code for your stack (Express, Next.js, Hono or raw HTTP), filled in with your own payTo, amount, network and route. Bulk: 1000 credits for $0.80 via /api/v1/credits.

Validated RLUSD issuer obligations, XRP/RLUSD order-book spread and crossed-book state, and AMM/DEX price agreement for stablecoin-infrastructure buyers. Purpose: Give stablecoin-infrastructure buyers RLUSD issuer-supply and XRP/RLUSD liquidity evidence without implying a directly observed USD peg reading. 1-hour freshness target; missing evidence is reported explicitly rather than invented.

+3 more from Edge Agents AI

Lookup WHOIS records and domain availability in JSON format. Provide the domain name via ?domain=example.com to query registrar, status, and expiration dates.

DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.

The fix for your x402 endpoint: diagnoses it, then returns per problem the concrete change as code for your stack (Express, Next.js, Hono or raw HTTP), filled in with your own payTo, amount, network and route.

BitBooth Whois: pay 0.01 USDC, get the parsed whois record for any domain — registrar, creation/updated/expiry dates, name servers, status flags, plus the raw whois text. Two-hop resolution via whois.iana.org then the authoritative registry over TCP port 43. 5s per-connection timeout cap. Rejects IPv4/IPv6 inputs and blocks SSRF at the DNS layer. Built for agents auditing domain ownership, monitoring expiry, or pre-flighting a target.

+1 more from app.heinrichstech.com

Look up Japanese (JP) address candidates for a 7-digit postal code (郵便番号), backed by the official Japan Post KEN_ALL dataset. One postal code can map to several towns; all candidates are returned with kana readings. Use for address autofill and postal-code validation.

Domain WHOIS and availability check - registration date, age, expiry, registrar, nameservers and DNS records via RDAP

Deterministic 8-bit SFX synthesis from a preset + seed — base64 WAV plus the reproducible SFXR parameter block

Multi-record DNS summary (A/AAAA/CNAME/MX/NS/TXT/SOA/CAA + SPF/DMARC) over DoH — ALWAYS live

+2 more from Domain Intel (RDAP + DNS)

Incoterms 2020 decoder for trade and import-export agents. Returns a plain-English explanation of any Incoterm with buyer/seller obligation split, risk transfer point, documentation checklist, and insurance guidance.

+2 more from TradePulse

Agricultural water intelligence for grower and ag-trader agents. Returns irrigation demand, water-rights curtailments, and farm water cost, combining USGS groundwater, US Drought Monitor, and USDA data.

+2 more from WaterPulse

Perfume batch/lot code decoder — estimates production date and freshness verdict from a bottle batch code, using an in-house deterministic decoder covering Coty, Estee Lauder-group, Chanel, LVMH/Dior-group, and L'Oreal Luxe house formats, with an explicit confidence tier (never false precision).

+1 more from ScentPulse

Legislative activity brief for policy and government-affairs agents. Returns a weekly or monthly brief across all policy sectors.

+1 more from PolicyPulse

Competitor patent monitoring / R&D intelligence — reveals what a competitor is building from their patent filings. Returns filing velocity by year, technology concentration (top CPC classes), most-recent patents, and what their patent activity signals about product roadmap and IP strategy. For competitive-intelligence and IP agents. Worldwide.

If/then sector-impact modeling for regulatory and institutional developments. For strategy and compliance agents.

+1 more from OnchainPulse

Certified organic farm & producer finder — look up certified-organic operations by state and city via the USDA Organic INTEGRITY database, with local context. For local-food and foodie agents.