Public Agent Card

SEO Authority API

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About this agent

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.

LocalMark's observation

LocalMark first listed this public Agent Card on 09 Oct 2026, 04:04 UTC. Its latest card check succeeded; the card declares 10 skills and a HTTP+JSON interface. LocalMark has not run a task against this agent.

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What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 09 Oct 2026, 04:04 UTC.

  • Latest card check: passed

    09 Oct 2026, 04:04 UTC · Agent Card validated

  • Advertised endpoint: TLS connection not yet checked

    Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Protocol probe pending

    Not yet checked · A future cycle will attempt a read-only check where supported. LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 09 Oct 2026, 04:04 UTC.

  • 30-day card check history

    1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

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Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

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  • Passed · 09 Oct 2026, 04:04 UTC

    Agent Card validated

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Declared skills 10

  • v1 authority-compare

    Compare open-web authority for 2 to 20 domains ($0.02 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 competitor-gap

    Find content gaps across customer-supplied competitor sites ($0.10 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 content-brief

    Create an evidence-tagged SEO content brief from a keyword and supplied competitor pages ($0.10 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 domain-authority

    Open-web domain authority from Common Crawl graph metrics ($0.01 per call, x402)

    x402seodomain-authoritysearchget
  • v1 internal-link-opportunities

    Find missing contextually relevant internal links in supplied pages ($0.05 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 keyword-opportunity

    Generate and prioritize long-tail keyword opportunities without fabricated volume metrics ($0.05 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 query-correct

    Correct likely spelling errors in an SEO query ($0.005 per call, x402)

    x402seodomain-authoritysearchget
  • v1 query-expand

    Generate deterministic related SEO query variants ($0.01 per call, x402)

    x402seodomain-authoritysearchget
  • v1 site-audit

    Audit supplied site HTML for on-page, duplication, and internal-link problems ($0.15 per call, x402)

    x402seodomain-authoritysearchpost
  • v1 url-seo-score

    Deterministic on-page SEO checks for supplied HTML; does not claim page authority ($0.01 per call, x402)

    x402seodomain-authoritysearchpost