The real catalog of tools for AI agents

Lead email decisions: keep / fix typo / review / drop, plus a ready-to-send list. Paid: RapidAPI

Email verification and domain intelligence for AI agents. MX, RDAP, SSL checks. 25 free credits.

Real-time RFC 5322 email verification, SPF/DMARC DNS audits & B2B leads (x402 Base USDC).

Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).

Email security and AI discoverability scores for any domain, with the exact record or tag to fix.

Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.

Find email addresses from name and company domain. x402 paid.

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

Search and enrich B2B companies and people: verified work emails, US phone numbers, job postings.

Audit email domain deliverability: SPF, DKIM, DMARC, MX. Score 0-100. x402.

Kanta Verify, Find, and Database: email verification, email finding, and B2B contact search.

Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.

Snov.io MCP — B2B email finder + contact enrichment + domain search (snov.io)

Apollo.io B2B Person Enrichment & Verified Work Email Finder via x402 on Base ($0.10 USDC/call).

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.

Fast email validation at the edge: syntax, MX records, disposable-domain detection.

Extracts verified emails, social links, 40+ tech stack signals, pricing tiers, and company summar.

Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay

Find companies and B2B contacts, enrich profiles, and look up work emails and business phones.