For developers

A WhatsApp API you can call in minutes.

One HTTPS request sends a WhatsApp message through your connected number. No SDK, no new concepts.

Read the docs Quickstart

Endpoints

Seven endpoints, one pattern.

Every call takes your credentials and returns a clear JSON response.

/account-validity

Account validity

Check that your license is active before you send.

View docs /conversation-validity

Conversation validity

Find out whether the 24-hour reply window is open for a contact.

View docs /send-template

Send template

Send an approved template with variables, header media and a link button.

View docs /send-text

Send text

Send a plain text message inside the 24-hour window.

View docs /send-media

Send media

Send an image, video, audio file or document from a public URL.

View docs /send-button

Send buttons

Send a message with up to three quick-reply buttons.

View docs /send-list

Send list

Send a menu of up to ten options.

View docs

Authentication

License Number and API Key, as query parameters, body fields or headers. Regenerate the key any time.

Webhooks

Inbound messages and delivery status posted to your server and signed with HMAC-SHA256. Enterprise plan.

Errors and limits

Clear error codes and a per-licence rate limit of 120 requests a minute.

FAQ

Developer questions.

How do I authenticate?

Send your License Number and API Key as query parameters, in the request body, or as X-License-Number and X-API-Key headers.

Which message types can I send?

Templates with variables, header media and buttons, and inside the 24-hour window text, media, reply buttons and lists.

Is there a rate limit?

Yes. Each licence can make 120 requests per minute. Over the limit you receive a 429 response.

Are webhooks available on every plan?

Webhooks for inbound messages and delivery status are on the Enterprise plan. Requests are signed with HMAC-SHA256.

Do I need an SDK?

No. The API is plain HTTPS, so it works from any language, a no-code tool or a browser.

Get your API credentials

Create a workspace, connect your number and copy your License Number and API Key from the Developer API page.

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Free Forever plan · no credit card