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Factline · factline.dev

Use when you need to know if an email address is real and deliverable…

Use when you need to know if an email address is real and deliverable before signup, outreach or onboarding: syntax, live MX routing, 9,000+ disposable domains, role addresses, free providers, typo suggestions (gmial.com to gmail.com) and SPF/DMARC. One verdict: deliverable, risky or undeliverable.

Ready now6 calls · 3 buyers in 30 days

Input

Email address to verify, e.g. jan.jansen@example.nl

Sample response

Published by the provider. Your run returns a fresh response.

response13 keys
disposabletrue
domain"gmial.com"
domain_security2 keys
dmarc_policynull
spffalse
email"jan.jansen@gmial.com"
explain3 keys
disposable_list"disposable-email-domains blocklist (CC0), 2026-10-07"
limits"No SMTP mailbox probe: this confirms the domain can receive mail, not that this exact mailbox exists."
verdict"deliverable: domain receives mail and nothing suspicious; deliverable_role: same but a shared inbox; risky: disposable domain or likely typo; undeliverable: bad syntax or the domain cannot receive mail."
free_providerfalse
mail_routing5 keys
accepts_mailtrue
domain_existstrue
implicit_mxtrue
null_mxfalse
reasons2 items
0"disposable (throwaway) email domain"
1"possible typo of gmail.com"
role_accountfalse
source"DNS via Cloudflare 1.1.1.1 (DNS-over-HTTPS); disposable-email-domains (CC0)"
suggestion"jan.jansen@gmail.com"
syntax_validtrue
verdict"risky"
responseobject, 13 keys
Your agent can do this on its own
Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

Add one MCP URL and your agent can find and run this tool within its spending limits. Choose “Ask each time” if you want to approve every Call.

MCP URL

https://app.aecon.ai/mcp
Terminalbash
claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days
6
Buyers, last 30 days
3
Last paid call

Reported by the x402 directory.

A$0.0029 per call