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Developers

The same numbers, in your own tools

Every account can create API keys for a read-only JSON API, and install a browser toolbar that checks whatever page you are looking at in one click.

API endpoints

JSON over HTTPS. Authenticate with the X-Api-Key header. Keys have a daily request allowance and can be revoked at any time.

RequestReturns
GET /api/v1/site-strength?domain=Site Strength, link graph position, and with details=true spam signals and registration date.
GET /api/v1/page-check?url=&keyword=On-page score, title, description, H1, word count and every check with its fix.
GET /api/v1/ai-crawlers?domain=Which AI answer engines, AI training crawlers and search engines robots.txt blocks.
GET /api/v1/keyword-ideas?seed=&market=Keyword ideas from live search suggestions, grouped by intent.
GET /api/v1/usageRequests used today by the key.
curl -H "X-Api-Key: YOUR_KEY" "https://your-server/api/v1/site-strength?domain=bbc.co.uk"

{ "domain": "bbc.co.uk", "siteStrength": 76, "linkGraphPosition": 86, ... }
Browser extension

An SEO toolbar for Chrome and Edge

  • Site Strength of the site you are on
  • On-page score and the checks that fail, with fixes
  • Whether AI answer engines and search engines can crawl it
  • Reads the page address only when you open it; nothing runs in the background

Install

  1. Log in and open API & Extension.
  2. Download the extension and create a key.
  3. Load it in your browser and paste the key into its settings.