Send bulk SMS to Agile CRM contacts using automation

Connect my tools2 min readUpdated 2026-03-14

Reach a group of contacts at once by triggering bulk SMS or MMS messages from Agile CRM. When you add a specific tag to contacts, JustCall automatically sends your message to each one.

Available on: Team plan or higher


Set up the automation in Agile CRM

  1. Open the Agile CRM dashboard and click Automations.
  2. Click the Go button next to the Tag Added automation trigger.
  3. Set the condition to Tag is Added and choose your tag name.
  4. Add a JSON IO (Input/Output) element to the workflow.

Configure the JSON IO element

Use these settings for the JSON IO element:

FieldValue
URLhttps://justcall.io/api/agilecrm_sendmessage.php
Method TypePOST

Parameters:

ParameterValue
To{{phone}}
FromYour JustCall phone number
BodyYour message content
SecretYour API secret (found in JustCall developer settings)
mms_urlImage link (MMS only)
mime_typeimage/png (MMS only)

Headers:

KeyValue
Acceptapplication/json

Save and activate

  1. Click Save to store the JSON IO element configuration.
  2. Click Save Automation to finalize the workflow.

Any contact that receives the specified tag will now get your SMS or MMS automatically.

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