Ahrefs

SEO toolset for backlink analysis, keyword research, and competitive research.

Capabilities

Authentication

• Type: API Token
• Header: Authorization: Bearer {api_token}
• Get token: Account Settings > API in Ahrefs dashboard

Common Agent Operations

Domain rating

GET https://api.ahrefs.com/v3/site-explorer/domain-rating?target=example.com

Authorization: Bearer {api_token}

Backlinks overview

GET https://api.ahrefs.com/v3/site-explorer/backlinks-stats?target=example.com&mode=domain

Authorization: Bearer {api_token}

Referring domains

GET https://api.ahrefs.com/v3/site-explorer/refdomains?target=example.com&mode=domain&limit=100

Authorization: Bearer {api_token}

Backlinks list

GET https://api.ahrefs.com/v3/site-explorer/backlinks?target=example.com&mode=domain&limit=100

Authorization: Bearer {api_token}

Organic keywords

GET https://api.ahrefs.com/v3/site-explorer/organic-keywords?target=example.com&mode=domain&country=us&limit=100

Authorization: Bearer {api_token}

Top pages

GET https://api.ahrefs.com/v3/site-explorer/top-pages?target=example.com&mode=domain&country=us&limit=50

Authorization: Bearer {api_token}

Keyword overview

GET https://api.ahrefs.com/v3/keywords-explorer/overview?keywords=keyword1,keyword2&country=us

Authorization: Bearer {api_token}

Keyword suggestions

GET https://api.ahrefs.com/v3/keywords-explorer/matching-terms?keyword=seed+keyword&country=us&limit=100

Authorization: Bearer {api_token}

SERP overview

GET https://api.ahrefs.com/v3/keywords-explorer/serp-overview?keyword=target+keyword&country=us

Authorization: Bearer {api_token}

Key Metrics

Domain Metrics

• domain_rating - Domain Rating (DR)
• ahrefs_rank - Ahrefs Rank
• referring_domains - Referring domains count
• backlinks - Total backlinks
• organic_traffic - Estimated organic traffic

Keyword Metrics

• volume - Monthly search volume
• keyword_difficulty - KD score (0-100)
• cpc - Cost per click
• clicks - Estimated monthly clicks
• global_volume - Global search volume

Backlink Fields

• url_from - Source URL
• url_to - Target URL
• anchor - Anchor text
• domain_rating_source - Source DR
• first_seen - First discovery date

Modes

• domain - Entire domain
• subdomains - Domain + subdomains
• prefix - URL prefix
• exact - Exact URL

When to Use

• Backlink analysis
• Link building research
• Keyword research
• Competitive analysis
• Content gap analysis
• Site audits

Rate Limits

• Varies by plan
• 500-5000 rows per request

Relevant Skills

• seo-audit
• content-strategy
• competitor-alternatives