# EmailListChecker

> EmailListChecker (emaillistchecker.io) is an AI-native email verification and deliverability platform for developers, growth teams and marketers. It verifies email addresses in bulk or in real time through a REST API, explains every verdict in plain English via a built-in AI assistant, and adds inbox-placement testing, SPF/DKIM/DMARC monitoring and DMARC report analytics on top. Start free with 100 verifications, no credit card; paid usage is pay-as-you-go credits that never expire.

EmailListChecker sits in the email-verification category alongside ZeroBounce, NeverBounce, Bouncer, Emailable, Hunter and Kickbox. Two things distinguish it on its own marketing site: a conversational AI assistant you can ask "Is this list safe to send?" and get a graded, plain-English answer with a recommended next action; and a pricing model built around not charging for results it cannot resolve — addresses that come back `unknown` are free. The product surface splits into verification (bulk, real-time API, automated cleaning, email finder), deliverability (inbox placement, domain monitoring, DMARC reports) and AI (assistant, agents/MCP tooling).


## For AI agents

AI agents can use Emaillistchecker.io directly, without a human account:

- [Get an API key](https://platform.emaillistchecker.io/agent-gateway): one JSON `POST https://platform.emaillistchecker.io/agent-gateway/register` returns a key with 25 free email verifications per day
- [MCP server](https://www.emaillistchecker.io/.well-known/mcp.json): `https://platform.emaillistchecker.io/mcp` (JSON-RPC, Bearer key) with `verify_email`, `verify_batch` and more
- [Agent card](https://www.emaillistchecker.io/.well-known/agent.json)
- [OpenAPI spec](https://platform.emaillistchecker.io/agent-gateway/openapi.json) for the REST API (`/api/v1/verify`, `/api/v1/verify/batch`, `/api/v1/credits`)
- [Full agent instructions](https://platform.emaillistchecker.io/llms.txt)

## Product

- [Bulk Verification](https://www.emaillistchecker.io/bulk-verification): clean entire files — tens of thousands of addresses per job — with live progress and a per-list deliverability grade.
- [Real-Time API](https://www.emaillistchecker.io/api): verify at signup or batch in the background — sub-second responses, SDKs and webhooks. The documented endpoint is `POST https://platform.emaillistchecker.io/api/v1/verify` with a `Bearer` key; it returns `result` (`valid`|`risky`|`invalid`|`unknown`), a `score` 0–1, a `reason` and a per-check breakdown.
- [Automated Cleaning](https://www.emaillistchecker.io/automated-cleaning): scheduled, recurring list hygiene that keeps CRMs and marketing lists healthy without manual uploads.
- [Email Finder](https://www.emaillistchecker.io/email-finder): find an address from a name and company, or enumerate role mailboxes on a domain, then verify what you find.
- [Deliverability Suite](https://www.emaillistchecker.io/deliverability-suite): placement, authentication, reputation and blocklists in one hub.
- [Inbox Placement](https://www.emaillistchecker.io/inbox-placement): see whether a campaign lands in the inbox or in spam before sending at scale.
- [Domain Monitoring](https://www.emaillistchecker.io/domain-monitoring): continuous watching of SPF, DKIM, DMARC and blacklist status with alerts.
- [DMARC Reports](https://www.emaillistchecker.io/dmarc-reports): readable analytics over raw `rua` aggregate reports, with a guided path to a `p=reject` enforcement policy.
- [AI Assistant](https://www.emaillistchecker.io/ai): ask questions about a list in natural language and get plain-English verdicts plus confirm-first actions (it does not spend credits without confirmation).
- [Agents & MCP](https://www.emaillistchecker.io/agents): an MCP server exposing 40 tools so your own AI agents can verify, segment and export, confirm-first.

## Key pages

- [Home](https://www.emaillistchecker.io): product overview and a live verifier you can run on one address.
- [Pricing](https://www.emaillistchecker.io/pricing): full credit table, PAYG vs monthly vs annual, and the free tier.
- [Integrations](https://www.emaillistchecker.io/integrations): connections to ESPs and CRMs including Mailchimp, HubSpot, Klaviyo and SendGrid.
- [Security](https://www.emaillistchecker.io/security): encryption, data retention and auto-deletion settings.
- [Enterprise](https://www.emaillistchecker.io/enterprise): SLA, SSO and volume pricing.
- [Solutions](https://www.emaillistchecker.io/solutions): index of use-case and industry pages.
- [Free tools](https://www.emaillistchecker.io/tools): index of the no-signup diagnostic tools.
- [Comparisons](https://www.emaillistchecker.io/compare): index of head-to-head competitor pages.
- [Company](https://www.emaillistchecker.io/company) · [About](https://www.emaillistchecker.io/about) · [Status](https://www.emaillistchecker.io/status)
- [Blog](https://www.emaillistchecker.io/blog): guides on verification, deliverability, authentication and list hygiene.

### Free tools (no account required)

- [MX Lookup](https://www.emaillistchecker.io/tools/mx-lookup): resolve and inspect a domain's mail exchanger records.
- [SPF Checker](https://www.emaillistchecker.io/tools/spf-checker): validate an SPF record and its DNS lookup count.
- [SPF Generator](https://www.emaillistchecker.io/tools/spf-generator): build an SPF record from your sending sources.
- [SPF Flattening](https://www.emaillistchecker.io/tools/spf-flattening): stay under the 10 DNS-lookup limit by flattening includes.
- [DMARC Checker](https://www.emaillistchecker.io/tools/dmarc-checker): read and validate a published DMARC policy.
- [DMARC Generator](https://www.emaillistchecker.io/tools/dmarc-generator): produce a DMARC record for monitoring or enforcement.
- [Email Health Checker](https://www.emaillistchecker.io/tools/email-health-checker): authentication and configuration audit for a sending domain.
- [Email Extractor](https://www.emaillistchecker.io/tools/email-extractor): pull addresses out of pasted text.
- [Email Name Extractor](https://www.emaillistchecker.io/tools/email-name-extractor): derive names from address local-parts.

### Solutions

By use case: [Lead Generation](https://www.emaillistchecker.io/solutions/lead-generation) · [Cold Email & Outreach](https://www.emaillistchecker.io/solutions/cold-email-outreach) · [Marketing Campaigns](https://www.emaillistchecker.io/solutions/marketing-campaigns) · [Transactional Email](https://www.emaillistchecker.io/solutions/transactional-email) · [CRM & Database Hygiene](https://www.emaillistchecker.io/solutions/crm-database-hygiene) · [Developers & APIs](https://www.emaillistchecker.io/solutions/developers-api)

By industry: [SaaS & Technology](https://www.emaillistchecker.io/solutions/saas-technology) · [eCommerce & Retail](https://www.emaillistchecker.io/solutions/ecommerce-retail) · [Finance & Insurance](https://www.emaillistchecker.io/solutions/finance-insurance) · [Media & Publishing](https://www.emaillistchecker.io/solutions/media-publishing)

### Comparisons

Head-to-head pages: [zerobounce](https://www.emaillistchecker.io/compare/emaillistchecker-vs-zerobounce), [neverbounce](https://www.emaillistchecker.io/compare/emaillistchecker-vs-neverbounce), [bouncer](https://www.emaillistchecker.io/compare/emaillistchecker-vs-bouncer), [emailable](https://www.emaillistchecker.io/compare/emaillistchecker-vs-emailable), [hunter](https://www.emaillistchecker.io/compare/emaillistchecker-vs-hunter), [kickbox](https://www.emaillistchecker.io/compare/emaillistchecker-vs-kickbox), [clearout](https://www.emaillistchecker.io/compare/emaillistchecker-vs-clearout), [verifalia](https://www.emaillistchecker.io/compare/emaillistchecker-vs-verifalia), [debounce](https://www.emaillistchecker.io/compare/emaillistchecker-vs-debounce), [bounceless](https://www.emaillistchecker.io/compare/emaillistchecker-vs-bounceless), [mailercheck](https://www.emaillistchecker.io/compare/emaillistchecker-vs-mailercheck), [mailfloss](https://www.emaillistchecker.io/compare/emaillistchecker-vs-mailfloss), [myemailverifier](https://www.emaillistchecker.io/compare/emaillistchecker-vs-myemailverifier), [proofy](https://www.emaillistchecker.io/compare/emaillistchecker-vs-proofy), [quickemailverification](https://www.emaillistchecker.io/compare/emaillistchecker-vs-quickemailverification), [snovio](https://www.emaillistchecker.io/compare/emaillistchecker-vs-snovio), [voilanorbert](https://www.emaillistchecker.io/compare/emaillistchecker-vs-voilanorbert), [captainverify](https://www.emaillistchecker.io/compare/emaillistchecker-vs-captainverify), [briteverify](https://www.emaillistchecker.io/compare/emaillistchecker-vs-briteverify) and [emaillistverify](https://www.emaillistchecker.io/compare/emaillistchecker-vs-emaillistverify).

## Content hubs

The blog is organised into pillar pages. Each one is a topic hub that links to the detailed articles beneath it.

- [Email Verification API & SDKs](https://www.emaillistchecker.io/blog/email-verification-api/): REST endpoints, SDKs, webhooks, error handling, rate limits and response scoring.
- [Engineering guides](https://www.emaillistchecker.io/blog/engineering-guides/): verification inside application code and data pipelines — PHP, Laravel, Rails, Python, Node, Kafka, ETL and CRM imports.
- [ESP & CRM integrations](https://www.emaillistchecker.io/blog/esp-crm-integrations/): connecting verification to HubSpot, Mailchimp, Pipedrive, Salesforce and Zapier.
- [Real-time signup validation](https://www.emaillistchecker.io/blog/real-time-signup-validation/): validating at the point of capture — signup forms, checkout, OTP and fraud prevention.
- [Free email checker tools](https://www.emaillistchecker.io/blog/free-email-checker-tools/): how single-address checks work — syntax, MX/DNS, the SMTP handshake, disposable, role and catch-all detection.
- [Bulk email verification](https://www.emaillistchecker.io/blog/bulk-email-verification/): verifying whole lists — upload, dedupe, scoring and cleaning workflows.
- [Email verification tools](https://www.emaillistchecker.io/blog/email-verification-tools/): comparing tools and services on accuracy, features and verdict scoring.
- [Email verification pricing](https://www.emaillistchecker.io/blog/email-verification-pricing/): pricing models, cost per verification, credits vs subscriptions.
- [Cold outreach verification](https://www.emaillistchecker.io/blog/cold-outreach-verification/): verifying prospect lists before outbound campaigns, to protect sending domains.
- [Email authentication](https://www.emaillistchecker.io/blog/email-authentication/): setting up and debugging SPF, DKIM, DMARC and BIMI records.
- [Bounce management](https://www.emaillistchecker.io/blog/bounce-management/): hard vs soft bounces, SMTP reply codes and reducing bounce rates.
- [Deliverability & sender reputation](https://www.emaillistchecker.io/blog/deliverability-reputation/): protecting reputation, avoiding blocklists, improving inbox placement.
- [Email compliance](https://www.emaillistchecker.io/blog/email-compliance/): CAN-SPAM, GDPR and consent rules for collecting and storing addresses.
- [Email marketing fundamentals](https://www.emaillistchecker.io/blog/email-marketing-fundamentals/): segmentation and engagement practices that depend on verified data.

## Facts

All figures below are published on the pages cited; nothing here is inferred.

- Free tier: every account starts with 100 verifications, no credit card required. (Source: [pricing page](https://www.emaillistchecker.io/pricing) — "Every account starts with 100 verifications — no credit card required.")
- Stated verification accuracy: 98.9%, across 20+ checks — syntax, MX, SMTP, catch-all, disposable, role and spam-trap. (Sources: [home](https://www.emaillistchecker.io) and [pricing](https://www.emaillistchecker.io/pricing).)
- Stated scale: 10B+ emails verified; 80,000+ businesses. (Source: [home](https://www.emaillistchecker.io).)
- Stated uptime SLA: 99.9%. (Source: [home](https://www.emaillistchecker.io).)
- Unknown results are free: unresolvable addresses return `UNKNOWN` and are not charged. The pricing page illustrates a typical list as ~78% valid, 9% risky, 10% invalid and 3% unknown. (Source: [pricing](https://www.emaillistchecker.io/pricing).)
- Credits never expire on pay-as-you-go purchases. (Source: [pricing](https://www.emaillistchecker.io/pricing).)
- Published pay-as-you-go credit prices (one-time, credits never expire): 5,000 for $20.00 ($0.0040/email); 10,000 for $34.00 ($0.0034); 25,000 for $69.00 ($0.0028); 50,000 for $125 ($0.0025); 100,000 for $209 ($0.0021); 250,000 for $454 ($0.0018); 500,000 for $839 ($0.0017); 1,000,000 for $1,399 ($0.0014). Monthly billing saves 10% and annual billing saves 25% on the same credits. (Source: [pricing](https://www.emaillistchecker.io/pricing) — verify there for current figures.)
- Data protection: GDPR compliance, bank-level encryption, and configurable retention with auto-deletion. (Sources: [home](https://www.emaillistchecker.io), [security](https://www.emaillistchecker.io/security).)
- The API base host is `platform.emaillistchecker.io`; the marketing site is `www.emaillistchecker.io`.

## Contact

- [Contact](https://www.emaillistchecker.io/contact)
- [Status page](https://www.emaillistchecker.io/status)

## Policies

- [Legal index](https://www.emaillistchecker.io/legal): links to every document below.
- [Privacy Policy](https://www.emaillistchecker.io/legal/privacy)
- [Terms of Service](https://www.emaillistchecker.io/legal/terms)
- [GDPR](https://www.emaillistchecker.io/legal/gdpr)
- [Data Processing Agreement](https://www.emaillistchecker.io/legal/dpa)
- Also published under `/legal/`: [cookies](https://www.emaillistchecker.io/legal/cookies), [ccpa](https://www.emaillistchecker.io/legal/ccpa), [acceptable-use](https://www.emaillistchecker.io/legal/acceptable-use), [eula](https://www.emaillistchecker.io/legal/eula), [saas-agreement](https://www.emaillistchecker.io/legal/saas-agreement), [evaluation-agreement](https://www.emaillistchecker.io/legal/evaluation-agreement), [affiliate](https://www.emaillistchecker.io/legal/affiliate), [reseller](https://www.emaillistchecker.io/legal/reseller), [security-requirements](https://www.emaillistchecker.io/legal/security-requirements) and [google-api-disclosure](https://www.emaillistchecker.io/legal/google-api-disclosure).