{ "summary": "Add a suppression for an email address", "description": "Example request for the POST /suppression/add endpoint", "request": { "method": "POST", "url": "https://api.smtp2go.com/v3/suppression/add", "headers": { "Content-Type": "application/json", "X-Smtp2go-Api-Key": "api-key-here" }, "body": { "email_address": "unsubscribed@example.com", "block_description": "User requested removal from mailing list" } }, "response": { "status": 200, "body": { "request_id": "cc475686-2df2-689c-d46d-8371fdf9dg82", "data": { "added": true, "email_address": "unsubscribed@example.com", "block_description": "User requested removal from mailing list" } } } }