Coinslot
Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email } or { emails: [...] } (max 20).
- Category
- Developer tools
- Starting price
- $0.002
- Paid calls · 30 days
- 21
- Unique payers · 30 days
- 20
Paid endpoints
5 endpoints, sorted by usage. Prices are per request.
- POST/api/email-verify
Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email } or { emails: [...] } (max 20).
$0.003Base6calls / 30d - POST/api/convert
Convert an array of JSON objects to CSV (nested keys become dot-path columns) or CSV back to JSON. POST { direction: 'json-to-csv'|'csv-to-json', data }.
$0.002Base6calls / 30d - POST/api/markdown-to-html
Render Markdown (GitHub-flavored: tables, fenced code, task lists) to clean HTML with raw inline HTML stripped. POST { markdown } (max 500KB).
$0.003Base3calls / 30d - POST/api/qr
Generate a QR code as standalone SVG. POST { text, ecLevel?: 'L'|'M'|'Q'|'H', margin?: 0-8, dark?, light? } (text max 2KB).
$0.005Base3calls / 30d - POST/api/timezone
Convert a timestamp between IANA timezones with DST handled correctly. Returns local times, UTC offsets, weekday, and hour-of-day per zone. POST { time?, from?, to } — to is a zone or array (max 20).
$0.002Base3calls / 30d