Developers & API
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4Developers and API overview
Learn where to start with API access, event tracking, SMS sending, and custom integrations.
Integrate a custom store with Hellotext
Connect customer profiles, properties, products, historical orders, Hellotext.js, and server-side tracking in the right order.
API reference
The complete reference for all available resources, attributes, parameters, and endpoints.
Troubleshoot a custom integration
Diagnose authentication, validation, identity, duplicate data, delayed events, and safe retry problems.
API resources
6Send messages with the API
Send individual free-form or template messages, choose the channel and recipient, and verify the final delivery state.
Create and send templates with the API
Create reusable SMS and WhatsApp content, personalize it with customer data, and send it safely through the Messages API.
Sync products and understand inventory availability
Keep products and variants synchronized through the API and understand how Hellotext obtains live availability.
Create and track orders with the API
Synchronize an order once, connect it to the customer profile, and record each real lifecycle milestone.
Create and track coupons with the API
Represent an existing store coupon in Hellotext and record confirmed redemptions without duplicating them.
Send SMS with the API
Send individual SMS messages securely and verify their processing and delivery states.
Tracking & events
4Tracking events
Understand actions, events, objects, and the correct source for each customer signal.
Track campaign, route, and playbook links
Understand how tracked links preserve message, session, reporting, and attribution context after a click.
Tracking unidentified customers
Preserve anonymous browser activity and associate it safely with a known customer profile.
External tracking
Send trusted customer, product, order, and custom events from your backend or external systems.