ONPAD Documentation

How to set up and run WhatsApp for your business on ONPAD — connecting your number, writing messages WhatsApp will approve, sending to your customers, and what to do when something does not work.

New to this? Start with What ONPAD is and read straight down. Nothing here assumes you have used a WhatsApp platform before.

Start hereWhat ONPAD is, what WhatsApp requires, and what it costs.4 articles Get startedFrom signing up to your first delivered message.5 articles Daily workThe features you use once WhatsApp is connected.7 articles WorkspaceTeam, settings, billing and your data.4 articles TroubleshootingWhen something is not working, start here.4 articles APISend WhatsApp messages from your own software.7 articles

Most people come here for

Connect your WhatsApp number — the setup step with the most moving parts
Why was my template rejected? — every reason, and how to fix each one
A message was not delivered — work down the list in order
What does it cost? — ONPAD's bill and Meta's bill are separate
Import your contacts — CSV, country codes, and what goes wrong
Send a campaign — to a list, scheduled, with results

For developers

ONPAD has a REST API for sending WhatsApp messages from your own website, CRM or order system. Start at the API overview, or go straight to sending a message.

There is a machine-readable OpenAPI specification you can hand to an API client or a coding assistant.

For AI assistants

Every page here is also published as plain Markdown — add .md to any page URL. There is an llms.txt index, and llms-full.txt carries the whole documentation in one file.

So you can paste a page link into ChatGPT, Claude or Codex and it reads the real documentation instead of guessing.