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WhatsScale integration

Send WhatsApp messages, manage contacts, and automate conversations via WAHA

Actions
41
Triggers
5
Auth
API key
License
MIT, open source
Updated
September 2026

About the WhatsScale integration

Add the WhatsScale piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine WhatsScale with 760+ other apps in the same flow.

Triggers

Start a flow the moment something happens in WhatsScale

Each trigger below can start a flow on its own, either instantly or on a schedule.

  • Watch Channel Messages

    Triggers when a new message is posted to any WhatsApp Channel (includes own posts).

    1 field

  • Watch Group Messages

    Triggers when a new message is received in any WhatsApp group.

    1 field

  • Watch Incoming Messages

    Triggers when a new 1-on-1 WhatsApp message is received.

    1 field

  • Watch Specific Group Messages

    Triggers when a new message is received in a specific WhatsApp group.

    2 fields

  • Watch Specific Channel Messages

    Triggers when a new message is posted to a specific WhatsApp Channel.

    2 fields

Actions

Everything Activepieces can do in WhatsScale

Drop any of these into a flow and fill in the fields. No code is required.

  • Send a Message to a Contact

    Send a text message to a WhatsApp contact selected from your contact list

    3 fields

  • Send a Message to a Group

    Send a text message to a WhatsApp group selected from your group list

    3 fields

  • Send a Text to a Channel

    Send a text message to a WhatsApp Channel

    3 fields

  • Send a Message to a CRM Contact

    Send a text message to a contact from your WhatsScale CRM

    3 fields

  • Send an Image to a Contact

    Send an image to a WhatsApp contact selected from the dropdown.

    4 fields

  • Send an Image to a Group

    Send an image to a WhatsApp group selected from the dropdown.

    4 fields

  • Send an Image to a Channel

    Broadcast an image to a WhatsApp Channel selected from the dropdown.

    4 fields

  • Send an Image to a CRM Contact

    Send an image to a WhatsScale CRM contact selected from the dropdown.

    4 fields

  • Send a Video to a Contact

    Send a video to a WhatsApp contact selected from the dropdown.

    4 fields

  • Send a Video to a Group

    Send a video to a WhatsApp group selected from the dropdown.

    4 fields

  • Send a Video to a Channel

    Broadcast a video to a WhatsApp Channel selected from the dropdown.

    4 fields

  • Send a Video to a CRM Contact

    Send a video to a WhatsScale CRM contact selected from the dropdown.

    4 fields

  • Send a Document to a Contact

    Send a document to a WhatsApp contact selected from the dropdown.

    5 fields

  • Send a Document to a Group

    Send a document to a WhatsApp group selected from the dropdown.

    5 fields

  • Send a Document to a CRM Contact

    Send a document to a WhatsScale CRM contact selected from the dropdown.

    5 fields

  • Get a CRM Contact

    Retrieve a CRM contact by ID

    1 field

  • Update a CRM Contact

    Update the name or tags of an existing CRM contact

    3 fields

  • Delete a CRM Contact

    Permanently delete a contact from your WhatsScale CRM

    1 field

  • Add Tags to a CRM Contact

    Add one or more tags to an existing CRM contact

    2 fields

  • Remove a Tag from a CRM Contact

    Remove a single tag from a CRM contact

    2 fields

  • Create a CRM Contact

    Add a new contact to your WhatsScale CRM

    3 fields

  • Find a CRM Contact by Phone

    Look up a CRM contact using their phone number

    1 field

  • List CRM Contacts

    Retrieve a paginated list of CRM contacts with optional filters

    4 fields

  • List CRM Tags

    List every unique tag currently used across CRM contacts.

  • Send an Audio Message (By ID)

    Send an audio file to a contact, group, channel, or CRM contact by ID rather than picking from a list.

    7 fields

  • Send a Location (By ID)

    Send GPS coordinates to a contact, group, channel, or CRM contact by ID rather than picking from a list.

    6 fields

  • Send a Poll (By ID)

    Send an interactive poll to a contact, group, channel, or CRM contact by ID rather than picking from a list.

    6 fields

  • Add Participants to a Group

    Add contacts to a WhatsApp group, both selected from dropdowns.

    3 fields

  • Remove Participants from a Group

    Remove members from a WhatsApp group, both selected from dropdowns.

    3 fields

  • Promote Group Admins

    Grant admin rights to members of a WhatsApp group, both selected from dropdowns.

    3 fields

  • Demote Group Admins

    Revoke admin rights from members of a WhatsApp group, both selected from dropdowns.

    3 fields

  • Leave a Group

    Make the connected session leave a WhatsApp group selected from the dropdown.

    2 fields

  • List Group Participants

    List the members of a WhatsApp group selected from the dropdown, and their roles.

    4 fields

  • Post a Text Status

    Post a text-only WhatsApp Status (story) with an optional background color.

    3 fields

  • Post an Image Status

    Post an image WhatsApp Status (story) with an optional caption.

    3 fields

  • Post a Video Status

    Post a video WhatsApp Status (story) with an optional caption.

    3 fields

  • Check WhatsApp Number

    Check if a phone number has WhatsApp

    2 fields

  • List WhatsApp Sessions

    List every WhatsApp session (device) connected to this account, and its status.

  • List WhatsApp Contacts

    List the raw WhatsApp contacts synced to a session. Not the same as the WhatsScale CRM contacts.

    2 fields

  • List WhatsApp Groups

    List the WhatsApp groups a session belongs to.

    1 field

  • Custom API Call

    Make a custom API call to a specific endpoint

    10 fields

Use WhatsScale in a flow

Connect WhatsScale once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

WhatsScale, answered.

Yes. Activepieces is open source and free to start, and the WhatsScale piece is included on every plan, from the free cloud tier to any self-hosted deployment.

Add the WhatsScale piece to a flow, then authenticate with API key. Once connected, its 5 triggers and 41 actions are available anywhere in the builder.

"Watch Channel Messages" can start a flow that runs "Send a Message to a Contact", and you can chain WhatsScale together with any of 760+ other apps and AI steps in between.

Yes. Activepieces is fully self-hostable, so you can run the WhatsScale piece on your own infrastructure with your connections and your data staying in your environment.

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call WhatsScale actions as tools.