Validate campaign numbers with HLR
Use one campaign event to confirm which supplied numbers are reachable enough for your next step.
Trigger
Campaign Trigger
Triggered when a campaign is sent or experiences an event in Mailchimp
Action
Get Phone Number Information
Tool to retrieve detailed information about a specific phone number, including reputation, business and carrier details, and ftc complaints. use when the number is in e.164 format and set hlr=true to include hlr data (adds 1-3 seconds to response).
Why this helps
Unclear number quality creates avoidable follow-up and wasted outreach.
- Add carrier context to campaign reviews
- Separate usable numbers from missing data
- Create a repeatable validation habit
Setup
Build it in a few focused steps.
- 1Connect Mailchimp and Callerapi in Notis once.
- 2Create an automation named Campaign HLR validation.
- 3Describe that Notis should call Callerapi with hlr=true for each E.164 number in the campaign event and report the result.
- 4Pick Campaign Trigger as the trigger and choose where reports are delivered.
- 5Test with one real campaign event.
Questions about this workflow
Does HLR run for every value?
Only values in E.164 format should be sent to Callerapi; Notis can report other values as needing cleanup.
Will this run instantly?
Callerapi HLR data can add about 1 to 3 seconds per lookup.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Mailchimp to Callerapi. A trigger fires from one place; an action lands in another.
Mailchimp triggers
Callerapi actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Get Phone Number Information
Tool to retrieve detailed information about a specific phone number, including reputation, business and carrier details, and ftc complaints. use when the number is in e.164 format and set hlr=true to include hlr data (adds 1-3 seconds to response).
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get User Information
Tool to retrieve information about the authenticated user, including email and credit usage details. use after authentication to fetch credits spent, monthly allocation, and credits left.
Campaign Trigger
Triggered when a campaign is sent or experiences an event in Mailchimp
Profile Update Trigger
Triggered when a subscriber's profile is updated in Mailchimp
Subscribe Trigger
Triggered when a subscriber subscribes to Mailchimp
Unsubscribe Trigger
Triggered when a subscriber unsubscribes from Mailchimp
Connect any two apps with Notis in the middle.
Mailchimp and Callerapi, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Callerapi.