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Subscriber ID / Custom field

  • April 20, 2025
  • 1 reply
  • 84 views
C

Hi,

my goal is to:

  1. Update a status on airtable 
  2. Send a whatsapp message to the particular contact (via tag automation)

My current idea is to search with phone number in custom field to get the subscriber ID first.
However I can’t seem to set user field with the phone number (although contact is already subscribed), it always shows {Invalid Variable}.


Any solutions or better idea to get the subscriber ID?

 

Best answer by Gustavo Boregio

​@coconutbaby you have 2 options through the API (https://api.manychat.com/swagger#/):

  • findBySystemField: in which case you need to search for the PHONE NUMBER (not the WhatsApp Number - they’re 2 different fields)
  • findByCustomField: in which case you search by a specific user field

Unfortunately, as of now there isn’t a way to search by WhatsApp ID (which is where the number is stored for WhatsApp subscribers).

 

My solution for this is to create a ‘mirror’ user field, and store the WhatsApp ID there.

Then, I have a rule setup on my bots that whenever a new WhatsApp subscriber is created, the rule triggers and sets the user field (let’s call it ‘whatsapp_id_user_field’) with the value of the WhatsApp ID.

With this, whenever I need to find a user ID to send a message, I can search using the findByCustomField endpoint (option 2).

Hope this makes sense!

    1 reply

    Gustavo Boregio
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    • Gustavo Boregio
    • Manychat Community Moderator
    • Answer
    • April 21, 2025

    ​@coconutbaby you have 2 options through the API (https://api.manychat.com/swagger#/):

    • findBySystemField: in which case you need to search for the PHONE NUMBER (not the WhatsApp Number - they’re 2 different fields)
    • findByCustomField: in which case you search by a specific user field

    Unfortunately, as of now there isn’t a way to search by WhatsApp ID (which is where the number is stored for WhatsApp subscribers).

     

    My solution for this is to create a ‘mirror’ user field, and store the WhatsApp ID there.

    Then, I have a rule setup on my bots that whenever a new WhatsApp subscriber is created, the rule triggers and sets the user field (let’s call it ‘whatsapp_id_user_field’) with the value of the WhatsApp ID.

    With this, whenever I need to find a user ID to send a message, I can search using the findByCustomField endpoint (option 2).

    Hope this makes sense!

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