[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],["อัปเดตล่าสุด 2025-08-29 UTC"],[],[],null,["# Postmaster Tools API overview\n\nThe Postmaster Tools API allows you to gather metrics on bulk emails sent to\nGmail users and import data into, or merge that data with, other systems.\nMetrics include the percentage of your email marked as spam by the user and\ndelivery errors. For a full explanation of the metrics provided by the\nPostmaster Tools API, refer to Dashboards section of the\n[Postmaster Tools help center article](https://support.google.com/mail/answer/6227174).\n\nHigh-level implementation steps\n-------------------------------\n\nFollow these high-level steps to use this API:\n\n1. Set up an authentication domain, either the DKIM (d=) or SPF domain (Return-Path domain) that is used to authenticate your email.\n2. Set up the API:\n 1. Create a project.\n 2. Turn on the Postmaster Tools API.\n 3. Set up credentials for the API.\n 4. Create an OAuth2 token.\n3. Use the OAuth2 token and credentials to make API calls including verifying domains and retrieving metrics.\n\nNext steps\n----------\n\nTo set up the authentication domain, proceed to\n[Set up authentication domain](/workspace/gmail/postmaster/guides/domain)."]]
