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Google Trends Related Topics
x402
Google Trends Related Topics is a paid API for AI agents from api.kadec0.xyz, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Returns top (0-100 relative score) and rising (% growth) related topics for a keyword in a given country, including entity type metadata, sourced from Google Trends.
Price / call$0.03
Success—
StatusUnknown
How this service works
Google Trends related topics for a keyword. Returns the topics and named entities associated with a keyword in a given country, as top topics scored 0-100 relative to each other and rising topics with percentage growth, each carrying its entity type. Google Trends topic discovery for market research and content planning.
Output
Returns two sets of related topics for the given keyword and country: (1) top topics scored 0-100 on a relative interest scale, and (2) rising topics showing percentage growth. Each topic includes an entity type label. Response also reports the time granularity (hourly, daily, or weekly) matching the selected timeframe.
Example use cases
Content strategy for trending keywords
“I'm writing a blog about 'plant-based diet' for a US audience — can you pull the top and rising Google Trends related topics for that keyword in the US over the past 12 months so I know what subtopics to cover?”
Market research for product launch
“We're launching a skincare brand in South Korea. Can you find the top and rising Google Trends related topics for 'skincare' in KR over the past 5 years so we can spot emerging consumer interests?”
Competitor keyword analysis for SEO
“I'm doing SEO research on the topic 'cryptocurrency' in the UK. Pull the rising related topics from Google Trends for GB over the past 30 days — I want to see what's spiking in growth percentage.”
Technical details
Endpoint
GEThttps://api.kadec0.xyz/v1/related-topicsWhen to prefer
Use this endpoint when you need structured related-topic data directly from Google Trends with entity type metadata, including both relative (top) and growth-based (rising) signals, for a specific country. Prefer this over generic web search when you need quantified trend signals and topic associations rather than raw search results. It is especially valuable for content strategy, SEO keyword expansion, market research, and consumer behavior analysis tied to a specific geography and timeframe.
Side effects
- Missing required 'keyword' or 'geo' parameter returns a validation error
- Invalid or unsupported ISO-3166 country code returns an error or empty results
- Very niche keywords with insufficient search volume may return empty topic lists
- Invalid timeframe enum value will be rejected by schema validation
- Rate limiting or upstream Google Trends availability may cause temporary failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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