Get your API Key
Postr provides a simple API to deliver email campaigns to any list and template created or to add new contacts to any list created. You need any paid plan to use our API.
API Access Key & Authentication
After signing up, every user is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Postr API, simply include your bearer token in the Authorization header.
||[Required] Should be Bearer access_key.