{ "opencollection": "1.0.0", "info": { "name": "Lob Ltr_id API", "version": "1.20.2" }, "request": { "auth": { "type": "basic", "username": "{{username}}", "password": "{{password}}" } }, "items": [ { "info": { "name": "Ltr_id", "type": "folder" }, "items": [ { "info": { "name": "Retrieve", "type": "http" }, "http": { "method": "GET", "url": "https://api.lob.com/v1/letters/:ltr_id", "params": [ { "name": "ltr_id", "value": "", "type": "path", "description": "id of the letter" } ] }, "docs": "Retrieves the details of an existing letter. You need only supply the unique letter identifier that was returned upon letter creation." }, { "info": { "name": "Cancel", "type": "http" }, "http": { "method": "DELETE", "url": "https://api.lob.com/v1/letters/:ltr_id", "params": [ { "name": "ltr_id", "value": "", "type": "path", "description": "id of the letter" } ] }, "docs": "Completely removes a letter from production. This can only be done if the letter has a `send_date` and the `send_date` has not yet passed. If the letter is successfully canceled, you will not be charged for it. Read more on [cancellation windows](#section/Cancellation-Windows) and [scheduling](#section/Scheduled-Mailings). Scheduling and cancellation is a premium feature. Upgrade to the appropriate Print & Mail Edition t" } ] } ], "bundled": true }