
Step 1: Create and verify a Google Search Console property
Create and verify a Google Search Console property (URL-prefix or Domain) so gsc-indexer can inspect your URLs without 403 errors.
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Create and verify a Google Search Console property (URL-prefix or Domain) so gsc-indexer can inspect your URLs without 403 errors.

Create a Google service account, grant it Full access to your Search Console property, and point gsc-indexer at its JSON key to stop 403 errors.
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Track which URLs Google has indexed over time with gsc-indexer's -report and -diff flags, and watch coverage shift between runs.

Fix every gsc-indexer error: 403, 401, 429/5xx, sitemap fetch failures, 'no URLs given', and the 'unexpected argument' flag-order trap.

Read gsc-indexer output: indexed vs not, coverage state, fetch state, robots state, and last crawl time, and what each one tells you.

What is gsc-indexer? A command-line tool that asks Google to crawl and re-index your URLs through the Search Console URL Inspection API.