serpstat_google_keywords_ideas $0.001 per call

Related keyword ideas by seed keyword — search volume, CPC. Keywords semantically related to a seed, with volume, CPC, difficulty and weight (Serpstat · Google Keyword Data)

For AI agents: call serpstat_google_keywords_ideas
POST https://toll402.dev/v1/p/serpstat.google.keywords.ideas
{
 "method": "SerpstatKeywordProcedure.getRelatedKeywords",
 "id": "1",
 "params": {
  "keyword": "seo",
  "se": "g_us"
 }
}
Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server: npx -y toll402-mcp · remote https://toll402.dev/mcp.

Input schema

{
 "type": "object",
 "properties": {
  "method": {
   "type": "string",
   "examples": [
    "SerpstatKeywordProcedure.getRelatedKeywords"
   ]
  },
  "params": {
   "type": "object"
  },
  "id": {
   "type": "string",
   "description": "required by Serpstat's JSON-RPC envelope; any string, echoed back in the response",
   "examples": [
    "1"
   ]
  },
  "params.keyword": {
   "type": "string",
   "description": "the seed keyword",
   "examples": [
    "seo"
   ]
  },
  "params.se": {
   "type": "string",
   "description": "search database",
   "examples": [
    "g_us"
   ]
  },
  "params.withIntents": {
   "type": "boolean",
   "description": "default false"
  },
  "params.page": {
   "type": "integer",
   "description": "1-based; default 1"
  },
  "params.size": {
   "type": "integer",
   "description": "COST DIAL — rows per page, default 100, max 1,000",
   "examples": [
    10
   ]
  },
  "params.sort": {
   "type": "object",
   "description": "fields: region_queries_count, cost, difficulty, concurrency, weight, keyword"
  },
  "params.filters": {
   "type": "object",
   "description": "cost/volume/difficulty/concurrency ranges, keyword_length, right_spelling, geo_names (contain|not_contain), intents_contain, and weight / weight_from / weight_to for relevance strength"
  }
 },
 "additionalProperties": true,
 "required": [
  "method",
  "params",
  "id",
  "params.keyword",
  "params.se"
 ],
 "description": "`SerpstatKeywordProcedure.getKeywords` is the sibling that returns phrase-match (broad) keywords rather than semantically related ones, with nearly the same params object; `SerpstatKeywordProcedure.getSuggestions` returns search-suggestion keywords."
}

MCP

{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}

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