# MailCheck.ai integrations Connect MailCheck.ai to any other app, or use it from your AI client over MCP. MailCheck.ai detects disposable and temporary email addresses so they can be blocked at signup. Callers submit a full email address or just a domain and get back whether it is a known throwaway or blocklisted provider, plus basic validity signals such as MX presence. Useful for registration forms, lead validation and list hygiene. No credentials required. No account needed[mailcheck.ai](https://mailcheck.ai/) **4** triggers **2** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want to automate with MailCheck.ai? Give your AI client this address. `https://mcp.apiant.ai` Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Popular ## MailCheck.ai with the apps people pair it with most - [ **HubSpot to MailCheck.ai** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailcheck-ai) - [ **MailCheck.ai to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailcheck-ai-to-salesforce) - [ **MailCheck.ai to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailcheck-ai-to-slack) - [ **Google Sheets to MailCheck.ai** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailcheck-ai) - [ **Gmail to MailCheck.ai** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailcheck-ai) - [ **Google Calendar to MailCheck.ai** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailcheck-ai) - [ **Google Drive to MailCheck.ai** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailcheck-ai) - [ **MailCheck.ai to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailcheck-ai-to-mailchimp) Pair it ## Connect MailCheck.ai with another app - [ **Caspio to MailCheck.ai** ](https://apiant.ai/connect/caspio-to-mailcheck-ai) - [ **HubSpot to MailCheck.ai** ](https://apiant.ai/connect/hubspot-to-mailcheck-ai) - [ **MailCheck.ai to Salesforce** ](https://apiant.ai/connect/mailcheck-ai-to-salesforce) - [ **MailCheck.ai to Slack** ](https://apiant.ai/connect/mailcheck-ai-to-slack) - [ **Google Sheets to MailCheck.ai** ](https://apiant.ai/connect/google-sheets-to-mailcheck-ai) - [ **Gmail to MailCheck.ai** ](https://apiant.ai/connect/gmail-to-mailcheck-ai) - [ **Google Calendar to MailCheck.ai** ](https://apiant.ai/connect/google-calendar-to-mailcheck-ai) - [ **Google Drive to MailCheck.ai** ](https://apiant.ai/connect/google-drive-to-mailcheck-ai) - [ **MailCheck.ai to Mailchimp** ](https://apiant.ai/connect/mailcheck-ai-to-mailchimp) - [ **MailCheck.ai to Stripe** ](https://apiant.ai/connect/mailcheck-ai-to-stripe) - [ **MailCheck.ai to Shopify** ](https://apiant.ai/connect/mailcheck-ai-to-shopify) - [ **MailCheck.ai to QuickBooks Online** ](https://apiant.ai/connect/mailcheck-ai-to-quickbooks-online) - [ **MailCheck.ai to Pipedrive** ](https://apiant.ai/connect/mailcheck-ai-to-pipedrive) - [ **ActiveCampaign to MailCheck.ai** ](https://apiant.ai/connect/activecampaign-to-mailcheck-ai) - [ **MailCheck.ai to Notion** ](https://apiant.ai/connect/mailcheck-ai-to-notion) - [ **Airtable to MailCheck.ai** ](https://apiant.ai/connect/airtable-to-mailcheck-ai) - [ **MailCheck.ai to Trello** ](https://apiant.ai/connect/mailcheck-ai-to-trello) - [ **Asana to MailCheck.ai** ](https://apiant.ai/connect/asana-to-mailcheck-ai) - [ **JIRA to MailCheck.ai** ](https://apiant.ai/connect/jira-to-mailcheck-ai) - [ **ClickUp to MailCheck.ai** ](https://apiant.ai/connect/clickup-to-mailcheck-ai) - [ **MailCheck.ai to Zoom** ](https://apiant.ai/connect/mailcheck-ai-to-zoom) - [ **Discord to MailCheck.ai** ](https://apiant.ai/connect/discord-to-mailcheck-ai) - [ **MailCheck.ai to Twilio** ](https://apiant.ai/connect/mailcheck-ai-to-twilio) - [ **MailCheck.ai to SendGrid** ](https://apiant.ai/connect/mailcheck-ai-to-sendgrid) - [ **MailCheck.ai to Outlook** ](https://apiant.ai/connect/mailcheck-ai-to-outlook) - [ **Intercom to MailCheck.ai** ](https://apiant.ai/connect/intercom-to-mailcheck-ai) - [ **Freshdesk to MailCheck.ai** ](https://apiant.ai/connect/freshdesk-to-mailcheck-ai) - [ **Brevo to MailCheck.ai** ](https://apiant.ai/connect/brevo-to-mailcheck-ai) - [ **MailCheck.ai to Typeform** ](https://apiant.ai/connect/mailcheck-ai-to-typeform) - [ **JotForm to MailCheck.ai** ](https://apiant.ai/connect/jotform-to-mailcheck-ai) - [ **Calendly to MailCheck.ai** ](https://apiant.ai/connect/calendly-to-mailcheck-ai) - [ **MailCheck.ai to PandaDoc** ](https://apiant.ai/connect/mailcheck-ai-to-pandadoc) - [ **MailCheck.ai to Webflow** ](https://apiant.ai/connect/mailcheck-ai-to-webflow) - [ **MailCheck.ai to Wix** ](https://apiant.ai/connect/mailcheck-ai-to-wix) - [ **MailCheck.ai to LinkedIn** ](https://apiant.ai/connect/mailcheck-ai-to-linkedin) - [ **MailCheck.ai to Facebook** ](https://apiant.ai/connect/mailcheck-ai-to-facebook) - [ **Instagram to MailCheck.ai** ](https://apiant.ai/connect/instagram-to-mailcheck-ai) - [ **MailCheck.ai to OpenAI** ](https://apiant.ai/connect/mailcheck-ai-to-openai) - [ **MailCheck.ai to Anthropic** ](https://apiant.ai/connect/mailcheck-ai-to-anthropic) - [ **MailCheck.ai to OneDrive** ](https://apiant.ai/connect/mailcheck-ai-to-onedrive) - [ **Google Docs to MailCheck.ai** ](https://apiant.ai/connect/google-docs-to-mailcheck-ai) - [ **MailCheck.ai to Ontraport** ](https://apiant.ai/connect/mailcheck-ai-to-ontraport) - [ **Freshworks CRM to MailCheck.ai** ](https://apiant.ai/connect/freshworks-crm-to-mailcheck-ai) - [ **MailCheck.ai to GoHighLevel** ](https://apiant.ai/connect/mailcheck-ai-to-gohighlevel) - [ **Capsule CRM to MailCheck.ai** ](https://apiant.ai/connect/capsule-crm-to-mailcheck-ai) - [ **Copper to MailCheck.ai** ](https://apiant.ai/connect/copper-to-mailcheck-ai) - [ **MailCheck.ai to Streak** ](https://apiant.ai/connect/mailcheck-ai-to-streak) - [ **MailCheck.ai to NetHunt CRM** ](https://apiant.ai/connect/mailcheck-ai-to-nethunt-crm) - [ **MailCheck.ai to MINDBODY** ](https://apiant.ai/connect/mailcheck-ai-to-mindbody) - [ **MailCheck.ai to Supabase** ](https://apiant.ai/connect/mailcheck-ai-to-supabase) - [ **MailCheck.ai to PostgreSQL** ](https://apiant.ai/connect/mailcheck-ai-to-postgresql) - [ **MailCheck.ai to MySQL** ](https://apiant.ai/connect/mailcheck-ai-to-mysql) - [ **MailCheck.ai to Vercel** ](https://apiant.ai/connect/mailcheck-ai-to-vercel) - [ **MailCheck.ai to ElevenLabs** ](https://apiant.ai/connect/mailcheck-ai-to-elevenlabs) - [ **MailCheck.ai to PagerDuty** ](https://apiant.ai/connect/mailcheck-ai-to-pagerduty) - [ **MailCheck.ai to Pushover** ](https://apiant.ai/connect/mailcheck-ai-to-pushover) - [ **Gravity Forms to MailCheck.ai** ](https://apiant.ai/connect/gravity-forms-to-mailcheck-ai) - [ **HubSpot Enterprise to MailCheck.ai** ](https://apiant.ai/connect/hubspot-enterprise-to-mailcheck-ai) - [ **Google Forms to MailCheck.ai** ](https://apiant.ai/connect/google-forms-to-mailcheck-ai) - [ **MailCheck.ai to monday.com** ](https://apiant.ai/connect/mailcheck-ai-to-monday-com) What your agent can do with MailCheck.ai ## Triggers and actions 4 triggers · 2 actions - Trigger **Domain added to blocklist (instant)** Fires when a domain is added to the account's blocklist. - Trigger **Domain flagged as relay (instant)** Fires when a previously-looked-up domain is newly flagged as a relay/forwarding domain. - Trigger **Domain flagged as spam (instant)** Fires when a previously-looked-up domain is newly flagged as a spam domain. - Trigger **Domain unflagged as spam (instant)** Fires when a previously-looked-up domain changes from spam to non-spam. - Action **Get domain** Check a domain for disposable/relay/spam status, MX configuration, age, SPF/DMARC posture, and blocklist status. - Action **Get email** Check an email address for disposable/relay/role-account status, normalized form, and its domain's signals. ## Related apps - [ **MailCheck.ai to Benchmark Email** Benchmark Email is an email marketing platform that anyone can use to send emails in a jiff.](https://apiant.ai/connect/mailcheck-ai-to-benchmark-email) - [ **BigMailer to MailCheck.ai** BigMailer is email marketing software for agencies and developers.](https://apiant.ai/connect/bigmailer-to-mailcheck-ai) - [ **Buttondown to MailCheck.ai** Buttondown is an easy way to start and grow your newsletter.](https://apiant.ai/connect/buttondown-to-mailcheck-ai) - [ **Cakemail to MailCheck.ai** Cakemail provides all the tools you need to deliver the emails people want.](https://apiant.ai/connect/cakemail-to-mailcheck-ai) - [ **Campaign Refinery to MailCheck.ai** Campaign Refinery is an email marketing platform for broadcasts, contact management & automated sequences...](https://apiant.ai/connect/campaign-refinery-to-mailcheck-ai) - [ **MailCheck.ai to Disify** Disify checks email addresses for disposable and temporary providers.](https://apiant.ai/connect/mailcheck-ai-to-disify) - [ **MailCheck.ai to Emailit** Transactional and marketing email delivery API with SMTP support, domain verification, and open/click...](https://apiant.ai/connect/mailcheck-ai-to-emailit) - [ **MailCheck.ai to Emailr** Emailr is an email infrastructure platform that lets you receive and send emails programmatically.](https://apiant.ai/connect/mailcheck-ai-to-emailr) [More in Email](https://apiant.ai/apps/email) Reviews ## What our customers say Questions ## MailCheck.ai, answered ### ### Is there a MailCheck.ai MCP server? APIANT's MCP server at https://mcp.apiant.ai works with MailCheck.ai. Add that address to any AI client that takes a remote MCP server, sign in once in your browser, and your client can build, test and run automations that use MailCheck.ai. Nothing to install. ### ### What can start an automation from MailCheck.ai? Any of MailCheck.ai's 4 triggers in the catalog, including Domain added to blocklist (instant), Domain flagged as relay (instant), Domain flagged as spam (instant) and Domain unflagged as spam (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailCheck.ai? Any of MailCheck.ai's 2 actions, including Get domain and Get email. Your agent maps the data both ways and tests every scenario before it ships. ### ### Which apps can MailCheck.ai connect to? Any app in the catalog; the list on this page pairs MailCheck.ai with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.