{"slug": "ahrefs-free-dr-api-authentication-starting-august-10-2026", "title": "Ahrefs free DR API Authentication starting August 10 2026", "summary": "Ahrefs will require authentication for its free Domain Rating API endpoint starting August 10, 2026, after which unauthenticated requests will receive a 401 Unauthorized error. The endpoint remains free and does not consume API units, but all requests must include a free API key from an Ahrefs account. Ahrefs advises users to migrate now by signing up for a free account, generating an API key, and adding it to requests via the Authorization header.", "body_md": "[Public](/en/api/reference/public)Crawler\n\n# Domain rating free\n\nAPI + MCP\n\nAuthentication required starting August 10th, 2026This endpoint currently works without authentication, but from August 10th, 2026 all requests must include an API key. API keys are free. The endpoint remains completely free and does not consume API units. Unauthenticated requests will receive 401 Unauthorized after this date.\n\nYou can migrate now — there's no need to wait for the switch date:\n\n[Sign up]for a free Ahrefs account (if you don't have one)- Generate an API key in\n[Account settings → API keys]- Add it to your requests:\n`Authorization: Bearer <token>`\n\nRequests to this endpoint are free and do not consume any API units.\n\nUse of this data is subject to the Domain Rating License at [http://ahrefs.com/legal/domain-rating-license](http://ahrefs.com/legal/domain-rating-license). Attribution required: \"Domain Rating by Ahrefs\" ([https://ahrefs.com/](https://ahrefs.com/)).\n\n## Query parameters\n\nThe target of the search: a domain or a URL.\n\nThe output format.\n\n## Responses\n\nCurrent strength of your target's backlink profile compared to the other websites in our database on a 100-point logarithmic scale.\n\nURL of the license terms that apply to use of Domain Rating data.\n\nWarning about unauthenticated access.", "url": "https://wpnews.pro/news/ahrefs-free-dr-api-authentication-starting-august-10-2026", "canonical_source": "https://docs.ahrefs.com/en/api/reference/public/get-domain-rating-free", "published_at": "2026-07-20 14:04:05+00:00", "updated_at": "2026-07-20 14:26:00.199230+00:00", "lang": "en", "topics": ["developer-tools"], "entities": ["Ahrefs"], "alternates": {"html": "https://wpnews.pro/news/ahrefs-free-dr-api-authentication-starting-august-10-2026", "markdown": "https://wpnews.pro/news/ahrefs-free-dr-api-authentication-starting-august-10-2026.md", "text": "https://wpnews.pro/news/ahrefs-free-dr-api-authentication-starting-august-10-2026.txt", "jsonld": "https://wpnews.pro/news/ahrefs-free-dr-api-authentication-starting-august-10-2026.jsonld"}}