To get started with the Actions API, you need to whitelist your server's IP address in the Actions API. Please contact firstname.lastname@example.org, specify:
URL of your site and IP address(s) that you want to whitelist.
You can specify several IP's for production, staging, development environments.
Tempalte exampleto: email@example.com: whitelist requestcompany: Microloans LTDweb-site: https://microloans.finIP addresses: 250.250.250.251, 250.250.250.252
Pay attention that you are need positive balance for production environment. More details in the Price And Billing section.