For the complete site index, see llms.txt. Docs index: llms-docs.txt. Marketing corpus: llms-full.txt. Docs corpus: llms-full-docs.txt. Prefer markdown URLs where available (append .md).. Product skill: skill.md. Pricing: pricing.md. Docs MCP: /docs/mcp. Site MCP: /mcp.

Email Validation

Verify addresses before you send. Reduce bounces, protect reputation, and keep your lists clean.

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Multi-layer validation

Catch invalid addresses at signup, import, and send time with fast, accurate checks.

Syntax Validation

RFC-compliant format checks catch typos and malformed addresses.

Domain Validation

Verify MX records and domain existence before you send.

Deliverability Check

Risk scoring for disposable, role-based, and catch-all addresses.

Clean lists, better delivery
Try validation free.

Validate in bulk via API or dashboard and keep bounce rates low from day one.

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