Authentication

Obtain your API key

The Email API client requires one credential:

It is available in the Paubox dashboard under API Credentials.

Add your API key to a .env file at your project root:

PAUBOX_API_KEY=YOUR_API_KEY

The SDK reads these variables automatically on instantiation; no constructor arguments are needed:

$paubox = new Paubox\Paubox();

The SDK sets the Authorization header on every request:

Authorization: Token token=YOUR_API_KEY

Paubox\PauboxForms requires no credentials. Form submissions are associated with the form ID, not an API key.

$forms = new Paubox\PauboxForms();

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