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Coinslot

Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email } or { emails: [...] } (max 20).

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Host	coinslot.dev
Price	$0.002–$0.005 per call
Network	Base
Paid endpoints listed	5
Calls, last 30 days*	17
Most unique payers on one endpoint (30 days)*	4
Last paid call*	2026-10-15
Tags	utilities, data, coinslot

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://coinslot.dev/api/email-verify` Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email…	POST	$0.003
`https://coinslot.dev/api/convert` Convert an array of JSON objects to CSV (nested keys become dot-path columns) or CSV back to JSON. POST { direction:…	POST	$0.002
`https://coinslot.dev/api/qr` Generate a QR code as standalone SVG. POST { text, ecLevel?: 'L'\|'M'\|'Q'\|'H', margin?: 0-8, dark?, light? } (text max…	POST	$0.005
`https://coinslot.dev/api/markdown-to-html` Render Markdown (GitHub-flavored: tables, fenced code, task lists) to clean HTML with raw inline HTML stripped. POST {…	POST	$0.003
`https://coinslot.dev/api/timezone` Convert a timestamp between IANA timezones with DST handled correctly. Returns local times, UTC offsets, weekday, and…	POST	$0.002

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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