Choose a workflow
Start with a task guide when you know what you want to build. Each task guide explains what the feature does, prerequisites, how it works, a complete request, the response, final status, and common failure modes.Send a WhatsApp message
Choose between queued and direct sending.
Send an SMS
Send text messages and track delivery.
Send an email
Send HTML or plain-text email.
Handle inbound messages
Receive messages, mark them as read, and show typing indicators.
Send a voice code
Deliver a verification code through an automated call.
Build on WhatsApp
Business Accounts
Inspect connected WABAs, verification, restrictions, and messaging limits.
Phone numbers
Register senders and manage profiles, commerce, and calling settings.
WhatsApp message pricing
Understand pricing fields, charging rules, and when message prices become final.
Templates
Create and manage approved message structures.
Flows
Build, preview, publish, and deprecate structured experiences.
Media
Upload reusable media for WhatsApp messages.
Calling
Connect, accept, reject, and terminate calls.
Business-scoped user IDs
Send messages and calls without relying on a user’s phone number.
Manage customer data
Contacts
Create and maintain customer profiles.
Custom Events
Define and send customer activity events.
Unsubscribers
Record and enforce channel opt-outs.
Balance
Monitor available account funds and currency.
Understand the API
Authentication
Authenticate securely with an API key.
Errors
Handle failures and retries safely.
Pagination
Iterate through list endpoints.
Webhooks
Receive events from YCloud.
Adapt a working example
Annotated examples
Follow visual walkthroughs with instructions, requests, responses, and implementation notes.
WhatsApp template creation
Create template variants with screenshots and annotated request examples.
Webhook walkthroughs
Review prerequisites, event behavior, and scenario-specific payloads.
All webhook payloads
Explore every supported event type and named payload example.