Connect any WhatsApp number to WA Hero and start sending automated messages from your website, CRM, or software โ while you keep using WhatsApp normally on your phone.
No credit card required to connect your first number.
One connected number, unlimited use across every tool you build or already run.
Messages go out through a persistent connection to your WhatsApp number โ no queues, no waiting on approvals.
Your WhatsApp stays fully usable on your own device at the same time your API is sending messages.
No cap on contacts or daily messages โ build order updates, reminders, alerts, or support flows freely.
Plug your key into any website, plugin, or backend. Reuse it across as many integrations as you like.
Every account's WhatsApp session is kept separate and encrypted at rest on our servers.
A single endpoint to send a message. No SDK required โ works from cURL, Postman, or any backend language.
No approval process, no waiting period โ you're sending your first message right after you scan a code.
Sign up with your name and email โ takes about thirty seconds.
Open WhatsApp on your phone, go to Linked devices, and scan the code from your dashboard.
Your unique key appears instantly on your dashboard once connected.
Call the send-message endpoint with a number and text โ that's it.
Authenticate with your API key in a header, send a JSON body with a number and message, done. Full documentation with error codes and examples is available from your dashboard once you're signed in.
Get your API keyWA Hero is free to use right now. Paid plans with higher limits and priority support are coming soon โ early accounts will get the best rate.
No. WA Hero connects to WhatsApp the same way WhatsApp Web does. It's a fast way to automate messaging without going through Meta's official Business API approval process, but it means your number should follow normal WhatsApp usage rules to stay in good standing.
No, your phone doesn't need to stay online constantly, but it should connect to the internet at least once every couple of weeks โ otherwise you'll need to reconnect by scanning the QR code again.
Both work. You can connect a regular personal WhatsApp number or a WhatsApp Business number.
There's no hard limit set by WA Hero. That said, sending unsolicited bulk messages can get a number flagged or restricted by WhatsApp itself, so we recommend only messaging customers who expect to hear from you.
Each account connects one WhatsApp number at a time. You can switch numbers whenever you like, but a separate account is needed to run two numbers at once.
Yes. Your API key isn't limited to a single integration โ use it in as many projects as you need.
Create an account and scan your first QR code in the next two minutes.
Get started free