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Canonical URL Declarations — Adjacent Word-Pair Frequency
x402
Canonical URL Declarations — Adjacent Word-Pair Frequency is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).
Parses a webpage or supplied HTML to count the frequency of adjacent word pairs (bigrams) found in canonical URL declarations.
Price / call$0.01
Success—
StatusUnknown
How this service works
Canonical URL declarations — Adjacent word-pair frequency: Adjacent word-pair frequency for Canonical URL declarations. One public HTTPS page or supplied HTML; static parsing, no JavaScript rendering, login or access bypass. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded adjacent word-pair frequency result.
Output
Returns a bounded result containing the frequency count of adjacent word pairs (bigrams) found within canonical URL declaration elements on the specified page or HTML input, filtered or contextualized by the supplied term, attribute, and attribute value parameters.
Example use cases
SEO canonical tag bigram audit
“Parse the canonical URL tags on https://www.myblog.com/articles and count how often the word pair 'blog post' appears in those canonical declarations — look at the element with attribute id set to 'main-canonical'.”
Competitor page canonical text analysis
“I want to analyze the canonical URL declaration on https://shop.competitor.com/clothing and find the adjacent word-pair frequency for the term 'clothing sale' in the canonical link elements with class='seo-canonical'.”
Custom HTML snippet bigram extraction
“Here's some HTML I pasted — can you find the canonical URL declarations in it and count how many times the word pair 'help center' appears as adjacent words in those elements?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-bx-web-canonical-bigrams?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to perform static text frequency analysis specifically on canonical URL declaration elements in HTML pages, without requiring JavaScript rendering or authenticated access. Ideal for SEO audits, content pattern analysis, or verifying canonical tag text consistency at low cost ($0.01 USDC per call).
Side effects
- URL is unreachable or returns a non-200 HTTP status
- HTML content exceeds 100,000 character limit
- No canonical URL declarations found in the provided HTML or page
- JavaScript-rendered content not captured (static parsing only)
- Invalid attribute pattern causes schema validation failure
- Term parameter missing or too short (minLength 1)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | |
| html | string | |
| term | string | |
| attribute | string | |
| previous_texts | array | |
| attribute_value | string |
Tags
x402
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