HTTP payment, without signup.

toolvend uses the open x402 protocol. Requests receive a standard HTTP 402 payment challenge containing the exact USDC price and supported networks.

1 · RequestCall an endpoint with ordinary HTTP.

2 · PayYour x402 client signs the exact USDC payment.

3 · RetryReceive the result with no account or API key.

DMARC, VAT, DNS and web APIs

Examples below intentionally show the initial 402 challenge. Use any x402-compatible client to pay and retry automatically.

GET/dns

$0.005 USDC

dns API

DNS lookup over DoH. Common record types (A, AAAA, MX, TXT, NS, CAA, ...) as clean JSON.

dnsdomainsinfrastructure

curl -i 'https://toolvend.dev/dns?name=example.com&type=MX'

GET/email-auth/:domain

$0.01 USDC

email auth API

Email authentication posture for a domain: DMARC + SPF records fetched, parsed, scored 0-100, with findings and fix recommendations.

emaildmarcspfsecuritydeliverability

curl -i 'https://toolvend.dev/email-auth/example.com'

GET/rdap/:domain

$0.005 USDC

rdap API

Domain registration data (modern WHOIS) via RDAP: registrar, created/expiry dates, status, nameservers, DNSSEC.

domainswhoisrdap

curl -i 'https://toolvend.dev/rdap/example.com'

GET/lei/:lei

$0.008 USDC

lei API

Global legal-entity/KYB lookup by LEI: official identity, jurisdiction, addresses, registration and renewal standing, risk flags, and GLEIF data freshness.

leikybcompliancefinancecompanies

curl -i 'https://toolvend.dev/lei/5493001KJTIIGC8Y1R12'

GET/parse/sitemap

$0.005 USDC

sitemap API

Fetch and parse sitemap XML or gzip into JSON. For an index, follow the first N children with ?follow=N. Caps merged output at 500 URLs.

seocrawlingsitemap

curl -i 'https://toolvend.dev/parse/sitemap?url=https%3A%2F%2Fexample.com%2Fsitemap.xml&follow=3'

GET/parse/robots

$0.005 USDC

robots API

Fetch and parse robots.txt (+ llms.txt if present) into structured JSON, including which AI crawlers are blocked.

seocrawlingrobotsai

curl -i 'https://toolvend.dev/parse/robots?url=https%3A%2F%2Fexample.com'

POST/extract

$0.01 USDC

extract API

Fetch a web page and return structured content: title, meta/OpenGraph, canonical, headings, links, readable text (boilerplate stripped). Add ?render=true for JavaScript-rendered pages ($0.03).

scrapingcontentextractionweb

curl -i -X POST 'https://toolvend.dev/extract' \
  -H 'content-type: application/json' \
  --data '{"url":"https://example.com/article"}'

POST/text/clean

$0.003 USDC

text clean API

Clean text: strip HTML, normalise unicode/whitespace, dedupe lines. Returns cleaned text plus stats.

textcleaningpreprocessing

curl -i -X POST 'https://toolvend.dev/text/clean' \
  -H 'content-type: application/json' \
  --data '{"text":"Hello   <b>world</b>\nHello   <b>world</b>","options":{"stripHtml":true,"dedupeLines":true}}'

GET/vat

$0.002 USDC

vat API

VAT calculator for EU-27 + UK: net→gross or gross→net at standard or reduced rate. Includes rates table snapshot date.

financevattaxeurope

curl -i 'https://toolvend.dev/vat?amount=100&country=DE&direction=net_to_gross'

GET/qr

$0.003 USDC

qr API

QR code generator. Returns a crisp SVG for text/URL payloads up to 2,048 UTF-8 bytes that fit the selected error-correction level.

qrimagesutility

curl -i 'https://toolvend.dev/qr?data=https%3A%2F%2Fexample.com&size=256'

Machine discovery included.

Agents can read the JSON catalogue, llms.txt, and agent manifest. Humans and search crawlers get this page.