# SEO Authority API

> Open-web domain authority from Common Crawl graph metrics, on-page SEO checks, query correction and expansion, and customer-supplied SEO intelligence. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.

- **Domain**: `seo.forgemesh.io`
- **Provider**: ForgeMesh Labs (https://forgemesh.io)
- **A2A protocol version**: 1.0
- **Kind**: paid_api
- **Category**: data
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 80%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.01
- **Wallet**: `0xcc73d69a4d04fa41afa3727c45140d51d71f615c`

## Skills
- **v1 domain-authority** — Open-web domain authority from Common Crawl graph metrics ($0.01 per call, x402)
- **v1 authority-compare** — Compare open-web authority for 2 to 20 domains ($0.02 per call, x402)
- **v1 url-seo-score** — Deterministic on-page SEO checks for supplied HTML; does not claim page authority ($0.01 per call, x402)
- **v1 query-correct** — Correct likely spelling errors in an SEO query ($0.005 per call, x402)
- **v1 query-expand** — Generate deterministic related SEO query variants ($0.01 per call, x402)
- **v1 keyword-opportunity** — Generate and prioritize long-tail keyword opportunities without fabricated volume metrics ($0.05 per call, x402)
- **v1 competitor-gap** — Find content gaps across customer-supplied competitor sites ($0.10 per call, x402)
- **v1 content-brief** — Create an evidence-tagged SEO content brief from a keyword and supplied competitor pages ($0.10 per call, x402)
- **v1 site-audit** — Audit supplied site HTML for on-page, duplication, and internal-link problems ($0.15 per call, x402)
- **v1 internal-link-opportunities** — Find missing contextually relevant internal links in supplied pages ($0.05 per call, x402)
- **v1 placement-vet** — Vet a directory, publication or sponsor pitch before paying: domain age (RDAP), Tranco rank, Google News presence, outbound-link dilution, badge and pay-to-play

## URLs
- Agent card: https://seo.forgemesh.io/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/seo.forgemesh.io
- Documentation: https://seo.forgemesh.io/llms.txt