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It carries no 12 month change; GET /v1/trends/categories/{l1}/{l2} has that."},"category":{"slug":"authentication-identity","label":"Authentication and Identity","technologies_total":72,"companies_with_any":2209246,"companies_with_any_est":2209246},"meta":{"verified_at":"2026-09-10T00:00:00.000Z","freshness":"fresh","taxonomy_release":"tax-2026.10","request_id":"1fb1e0ba-de00-4284-91ff-c99d41bcf9cc","scope":"universe","sample_multiplier":1,"history_claim":"verified since 2020","attribution":"Data by Veridion","credits_spent":0}},"figure":{"id":"companies.facebook-login-button","value":998638,"unit":"companies run Facebook Login Button","denominator":"54,527,857 companies in the index (1.8%)","date":"12 Sept 2026","dateLabel":"landing","method":"companies-live"},"canonical":"https://stacklookup.ai/tech/facebook-login-button"}