Templates & Content

Message Templates Engine

Create, manage, and test high-converting email, SMS, WhatsApp, and Push templates with dynamic {{variable}} placeholders, category tagging, and deliverability optimization.

1. Message Templates Console & Setup

Access Developer Console → Templates at https://app.hubnest.io/developer/templates. Review registered email, SMS, WhatsApp, and Push templates with instant category filter buttons (Marketing, Utility, Authentication, Service). Click + Create Template to launch the template editor modal.

Step 1: Message Templates Console Overview & Create Template Action

Click + Create Template button to register new template

Filter by channel: Email, SMS, WhatsApp, Push Notification.
Filter by category: Marketing, Utility, Authentication, Service.
View approval status and template ID keys.

2. Category Tagging & HTML Deliverability Score

Define your template key identifier (e.g. __product_launch__feature_anno) and assign a strict category. The built-in HTML analyzer evaluates your message body and displays a live Deliverability Score (100/100 EXCELLENT).

Step 2: Category Tagging & Deliverability Score (100/100 EXCELLENT)

Select category (Marketing/Utility/Auth/Service) & check deliverability score

Categories: Marketing (Sales/Newsletters), Utility (Receipts/Orders), Authentication (OTP Codes), Service (Support Replies).
Live HTML syntax validator with 100/100 Deliverability Score check.
Instant template registration.

3. Multi-Channel Routing & Dynamic Payload Variables {{user_name}}

Pick the Notification Channel (Email, SMS, WhatsApp, Push Notification). Embed dynamic {{user_name}}, {{action_url}}, and {{unsubscribe_url}} placeholders into the body. Variables are automatically extracted upon saving.

$Step 3: Channel Dropdown & Dynamic Payload Variables {{user_name}}$

Select channel (Email/SMS/WA/Push) & insert {{user_name}} variables

One-Click Preset Injection

Use preset templates for Order Confirmations, OTP Verification Codes, and Welcome Onboarding Emails to start dispatching notifications instantly.

templates/create.sh

bash

1# Create template via REST API

2curl -X POST "https://api.hubnest.io/developer/templates" \

3 -H "Authorization: Bearer hn_live_8f3a91b2c4e567890abcdef123456789" \

4 -H "Content-Type: application/json" \

5 -d '{

6 "name": "Order Confirmation Receipt",

7 "type": "order_confirmation__receipt",

8 "channel": "EMAIL",

9 "category": "UTILITY",

10 "subject": "Order Confirmed! Order #{{order_id}}",

11 "body": "<h1>Order Confirmed!</h1><p>Hi {{user_name}}, thank you for your purchase.</p>",

12 "variablesSchema": ["order_id", "user_name", "item_name", "total_price"]

13 }'

Supports Email, SMS, WhatsApp, and Push Notification channels.
Click + {{user_name}}, + {{action_url}}, + {{unsubscribe_url}} to insert dynamic tags.
One-click preset injection for Order Confirmations and OTPs.

Next steps

AWS SES Email

Configure AWS SES IAM keys, verified domains, and sending rate limits.

SendGrid Email

Connect SendGrid API Keys and verified sender identities.

Twilio SMS Provider

Connect Twilio Account SID, Auth Token, and phone numbers.

WhatsApp Business

Connect Meta WhatsApp Cloud API access tokens and phone number IDs.

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