Guide
WhatsApp & SMS (Twilio)
Connect Twilio to send and receive WhatsApp and SMS messages in Nero.
Prerequisites
- A Twilio account (sign up free)
- A phone number (Twilio provides one, or bring your own)
- For WhatsApp: a Meta Business account linked to Twilio
1
Get your Twilio credentials
- Go to your Twilio Console (console.twilio.com)
- On the dashboard, find:
- Account SID (starts with
AC...) - Auth Token (click to reveal)
- Account SID (starts with
- Copy both values
2
Get a phone number
For SMS
- In Twilio Console → Phone Numbers → Buy a Number
- Select a number with SMS capability
- Note down the number (e.g.
+31612345678)
For WhatsApp
- Go to Twilio Console → Messaging → Senders → WhatsApp Senders
- Follow the registration flow to connect your WhatsApp Business number
- For testing: you can use Twilio's sandbox under Messaging → Try it out → Send a WhatsApp message
3
Create a Messaging Service
- Go to Twilio Console → Messaging → Services
- Click Create Messaging Service
- Name it (e.g.
Nero) - Add your phone number(s) as Senders (Step 2 in the wizard)
- In Step 3 — Set up integration:
- Select Send a webhook
- Request URL:
https://nerops.ai/api/webhooks/twilio - HTTP Method: HTTP Post
- Complete the remaining steps
This ensures incoming WhatsApp and SMS messages are forwarded to Nero.
4
Connect in Nero
- Open Nero → Settings → Integrations
- Click Connect on the Twilio card
- Enter:
- Account SID — from Step 1
- Auth Token — from Step 1
- WhatsApp Number — your WhatsApp-enabled number (e.g.
+31612345678) - SMS Number — your SMS-enabled number (optional, can be the same)
- Click Save & Connect — Nero validates your credentials automatically
5
Test your connection
- Click Test on the Twilio card to verify your credentials are valid
- Send a WhatsApp message to your configured number from your phone — it should appear in Nero
Alternative: Webhook via Phone Number (without Messaging Service)
If you prefer not to use a Messaging Service:
- In Twilio Console → Phone Numbers → Manage → Active Numbers
- Click on your phone number
- Scroll to Messaging Configuration
- Under "A message comes in", set:
- Webhook URL:
https://nerops.ai/api/webhooks/twilio - HTTP Method: POST
- Webhook URL:
- Click Save
Pricing — Twilio charges per message: ~$0.005/SMS, ~$0.005/WhatsApp (conversation-based pricing). New accounts get trial credit.