Mailboxlayer
Mailboxlayer is an AI-powered Email AI tool — Validate email addresses and detect disposable email providers. Best for: Email AI. Pricing: Freemium (GateOnAI Score: 48/100).
Validate email addresses and detect disposable email providers
Provides real‑time email address validation through a RESTful endpoint that returns a JSON payload indicating syntax correctness, domain MX record presence, and SMTP verification result. The service distinguishes between role‑based addresses, catch‑all domains, and known disposable providers. It supports IPv4 and IPv6 lookups, and can be called from any language that can issue HTTPS requests. Responses include a confidence score and detailed error codes, allowing developers to handle failures programmatically. It also returns the domain’s reputation score based on historical bounce data. Key capabilities include syntax checking against RFC 5322, MX record lookup to confirm the domain can receive mail, and live SMTP handshake to verify the mailbox exists without sending a message. The API flags temporary and permanent failures, identifies free‑email services like Gmail or Yahoo, and maintains an updated list of over 10,000 disposable email domains. Rate‑limit headers inform callers of remaining quota, and batch validation lets users submit up to 100 addresses per request. Documentation provides example code snippets for PHP, Python, and Node.js. Typical users are developers building sign‑up forms, marketers cleaning lead lists, and SaaS platforms needing to reduce bounce rates. The free tier allows 250 validations per month, suitable for testing or low‑traffic sites; paid plans start at $19 per month and raise limits to millions of requests, add HTTPS‑only endpoints, and include SLA guarantees. Integration requires only an API key, and no client‑side libraries are mandatory. Because validation occurs server‑side, it avoids exposing raw email data to browsers, enhancing privacy compliance.
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Works Well With
Tools that Mailboxlayer genuinely connects with, based on real input/output compatibility data (not just shared category):
- Bing AI - Microsoft AI-powered search with Copilot
- Aisera - AI service management for IT and customer support
- Structurely - AI real estate assistant for lead nurturing
- Yellow.ai - Enterprise AI platform for customer service automation
- Compose AI - AI autocomplete and text generation for emails
- Forethought AI - AI support automation with workflow intelligence