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Mailfloss

Email verification service for validating single addresses and batch lists.

2 searches4 actionsPollingAuth: API key

AI-assisted documentation3 min read

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

Open Mailfloss on WEXTL →

To use Mailfloss on WEXTL you need an active account and an API access token from your account settings.[3]

  1. Log in to your WEXTL account, add the Mailfloss 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 Mailfloss 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 →
Connecting Mailfloss to WEXTL®
Video slide demonstrates how to integrate Mailfloss in the WEXTL visual workflow builder.[4]

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 Mailfloss node module the integration supports. You will be able to pick any of them on the workflow canvas while building automations.

Open any Mailfloss node module below to inspect its input parameters, outputs, and connection requirements.

Get a Batch Verification Task StatusAction
Input fields[3]
FieldType
Verification Task IDRequired
text
Output fields[3]
FieldType
IDtext
Processedboolean
Statustext
Number Importednumber
Emails Processednumber
Number Passednumber
Number Failednumber
Number Undeliverablenumber
Number Unknownnumber
Number Riskynumber
List Batch Verification ResultsSearch
Input fields[3]
FieldType
Verification Task IDRequired
text
Limitnumber
Output fields[3]
FieldType
Processedboolean
Passedboolean
Statustext
Reasontext
Emailemail
Domaintext
Completed Atdate
Suggestiontext
Cancel a Batch TaskAction
Input fields[3]
FieldType
Verification Task IDRequired
text
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
Verify an EmailAction
Input fields[3]
FieldType
EmailRequired
email
Output fields[3]
FieldType
Emailemail
Suggestiontext
Statustext
Reasontext
Roleboolean
Disposableboolean
Freeboolean
Passedboolean
Domaintext
Metatext
Verify EmailsAction
Input fields[3]
FieldType
EmailsRequired
array
Emailemail
Webhook URLurl
Output fields[3]
FieldType
Verification Task IDtext

Look for Mailfloss 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® Mailfloss Source Code connector implementation.
  2. Our users use cases and automations.
  3. Official API Documentation for Mailfloss.
  4. WEXTL® visual workflow builder data.

Last updated: Jul 24, 2026 18:12

How we write our apps documentation

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