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Mailcheck

Validates email addresses for deliverability, disposable domains, and social profile hints.

3 searches2 actionsPollingAuth: API key

AI-assisted documentation3 min read

This documentation is compiled from our integration source code, internal specs for Mailcheck, its official API documentation and anonymized requests logs we collect from our support team[2].

Open Mailcheck on WEXTL →

Mailcheck requires an active account and an API access token from your account settings to connect — both are set up on its own site.[3]

  • API KeypasswordRequired

    API key from the API section of your dashboard. Sent as a Bearer token. Treat it like a password.

    [1]
  1. Log in to your WEXTL account, add the Mailcheck node module to your workflow, and click Create new credential.
  2. Optional: In the Credential name field, enter a name for the credential.
  3. Enter the authentication credentials you copied from your Mailcheck account, or follow the on-screen instructions to create the credential.
  4. If prompted, authenticate your account and confirm access.
  5. If you want to make changes to your credential in the future, follow the steps in Manage credentials →

Notes

Credentials are org-scoped; share them with teammates from the Credentials picker on any of its nodes.For detailed information on connecting an application, see Connect an application →

The list below is a reference of every Mailcheck node module the integration supports. You will be able to pick any of them on the workflow canvas while building automations.

Browse every Mailcheck node module below — each one opens to show its input parameters, outputs, and connection requirements.

Get Batch Email CheckSearch
Input fields[3]
FieldType
OperationRequired
choice
Output fields[3]
FieldType
Nametext
Doneboolean
Resultobject
List Batch Email ChecksSearch
Input fields[3]
FieldType
Limitnumber
Output fields[3]
FieldType
Nametext
Doneboolean
Metadataobject
Verify EmailSearch
Input fields[3]
FieldType
EmailRequired
email
Output fields[3]
FieldType
emailtext
trustRatenumber
mxExistsboolean
smtpExistsboolean
isNotSmtpCatchAllboolean
isNotDisposableboolean
gravatartext
githubUsernametext
facebooktext
Create Batch Email CheckAction
Input fields[3]
FieldType
EmailsRequired
array
Output fields[3]
FieldType
Nametext
Doneboolean
Metadataobject
Make an API Calluniversal
Input fields[3]
FieldType
URLRequired
text
MethodRequired
choice
Headersarray
Headerobject
Query Stringarray
Parameterobject
Bodytext
Output fields[3]
FieldType
Bodytext
Headersobject
Status codenumber

Look for Mailcheck templates in the WEXTL template library.

Browse templates →
  1. Arpoone[2]Business SMS messaging platform for sending and managing text campaigns.
  2. Benchmark EmailEmail marketing platform for campaigns, lists, automations, and subscriber engagement.
  3. Bland AIAI phone-calling platform that places and handles automated voice conversations at scale.
  4. CallbellShared inbox for WhatsApp, Messenger, Instagram, and Telegram support.
  5. BatchDialerCloud predictive dialer for sales and collections teams with contacts and campaigns.
More apps in Communication category →
  1. WEXTL® Mailcheck Source Code connector implementation.
  2. Our users use cases and automations.
  3. Official API Documentation for Mailcheck.
  4. WEXTL® visual workflow builder data.

Last updated: Sep 3, 2026 08:04

How we write our apps documentation

How we compile these docs — sources, AI's role, and how we verify.