[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"api-page:lsi-keyword-extractor":3},{"status":4,"api":5,"seo":133},"success",{"blocked":6,"description":7,"about":8,"stats":9,"name":11,"title":12,"slug":13,"logo":14,"created_at":15,"agent":16,"user":28,"endpoint_groups":31,"faqs":87,"features":94,"periodic_plans":95,"payasyougo_plans":132},false,"Extract high-converting LSI n-gram phrases (2-3 word co-occurrences) for Google Helpful Content optimization.","## LSI Keyword & Phrase Extractor API\n\nAutomatically analyze text and extract Latent Semantic Indexing (LSI) n-gram phrases (2-word and 3-word co-occurrences) for SEO content optimization.\n\n### Key Capabilities:\n- **N-Gram Extraction:** Detects 2-word (bigram) and 3-word (trigram) search intent patterns.\n- **Multi-Language Support:** Full support for English, Ukrainian, and Spanish content.\n- **Smart Noise Filter:** Built-in stop-word removal engine to eliminate non-meaningful words.\n- **Google Helpful Content Ready:** Helps copywriters and AI agents enrich articles with relevant semantic entities.",{"score":10},"2.71","LSI Keyword and Phrase Extractor","LSI Keyword and Phrase Extractor API","lsi-keyword-extractor","https://cdn.jojapi.com/api/a6e7a817-a57f-4af2-b710-0b31cceaab75","2026-09-16 20:00:01",{"enabled":17,"closed":18,"request_enabled":17,"catalog_url":19,"discovery_url":20,"directory_url":21,"rails":22,"networks":25,"docs":27},true,null,"https://kvvnj.jojapi.net/_jojapi/agent/plans","https://kvvnj.jojapi.net/.well-known/x402","https://agents.jojapi.net/apis/lsi-keyword-extractor",[23,24],"x402","mpp",[26],"eip155:8453","https://docs.jojapi.com/consumers/agents",{"nick":29,"name":30,"verified":6,"website":18},"user-ukqwxp","Назар Вишняк",[32],{"endpoints":33,"name":86,"description":41,"ungrouped":6,"open":6},[34],{"blocked":6,"hidden":6,"agent_price":35,"credits":18,"flexible_credits_description":18,"consumptions":36,"description":43,"method":44,"name":45,"url_path":46,"root_url":47,"parameters":48,"responses":64,"result_stats":82},0.01,[37],{"name":38,"slug":39,"cost":40,"label":41,"avg":42},"Requests","requests","1","",1,"Extract N-gram phrases (2-word and 3-word co-occurrences) for LSI Keyword Analysis.","POST","extract_lsi_keywords_v1_seo_lsi_keywords_post","/v1/seo/lsi-keywords","https://kvvnj.jojapi.net",{"url":49,"header":50,"post":57,"body":58,"path":63},[],[51],{"key":52,"is_auth":17,"example":53,"example_disabled":17,"example_type":54,"name":55,"description":53,"required":17,"always_error":56},"X-JoJAPI-Key","You must log in to get API key","string","JoJ API Key","Please log in to get API key",[],[59],{"key":18,"example":60,"schema":61,"example_disabled":6,"example_type":54,"value_type":54,"enum_values":18,"default_value":41,"required":6,"name":18,"description":62},"{\"text\":\"FastAPI is great for building high performance web APIs. High performance web applications use FastAPI.\",\"min_words\":2,\"max_words\":3,\"top_n\":10}","{\"properties\":{\"text\":{\"type\":\"string\",\"title\":\"Text\"},\"min_words\":{\"anyOf\":[{\"type\":\"integer\",\"maximum\":3,\"minimum\":2},{\"type\":\"null\"}],\"title\":\"Min Words\",\"default\":2},\"max_words\":{\"anyOf\":[{\"type\":\"integer\",\"maximum\":4,\"minimum\":2},{\"type\":\"null\"}],\"title\":\"Max Words\",\"default\":3},\"top_n\":{\"anyOf\":[{\"type\":\"integer\",\"maximum\":50,\"minimum\":1},{\"type\":\"null\"}],\"title\":\"Top N\",\"default\":10}},\"type\":\"object\",\"required\":[\"text\"],\"title\":\"LsiKeywordsRequest\"}","''",[],[65,74],{"status":66,"status_code":67,"description":68,"schema":69,"examples":70,"example":73},"200",200,"Successful Response","{\"properties\":{\"total_phrases_extracted\":{\"type\":\"integer\",\"title\":\"Total Phrases Extracted\"},\"top_ngrams\":{\"items\":{\"properties\":{\"phrase\":{\"type\":\"string\",\"title\":\"Phrase\"},\"count\":{\"type\":\"integer\",\"title\":\"Count\"}},\"type\":\"object\",\"required\":[\"phrase\",\"count\"],\"title\":\"NgramItem\"},\"type\":\"array\",\"title\":\"Top Ngrams\"}},\"type\":\"object\",\"required\":[\"total_phrases_extracted\",\"top_ngrams\"],\"title\":\"LsiKeywordsResponse\"}",[71],{"name":72,"summary":72,"description":41,"example":73},"Example_1","{\"total_phrases_extracted\":0,\"top_ngrams\":[{\"phrase\":\"\",\"count\":0}]}",{"status":75,"status_code":76,"description":77,"schema":78,"examples":79,"example":81},"422",422,"Validation Error","{\"properties\":{\"detail\":{\"items\":{\"properties\":{\"loc\":{\"items\":{\"anyOf\":[{\"type\":\"string\"},{\"type\":\"integer\"}]},\"type\":\"array\",\"title\":\"Location\"},\"msg\":{\"type\":\"string\",\"title\":\"Message\"},\"type\":{\"type\":\"string\",\"title\":\"Error Type\"},\"input\":{\"title\":\"Input\"},\"ctx\":{\"type\":\"object\",\"title\":\"Context\"}},\"type\":\"object\",\"required\":[\"loc\",\"msg\",\"type\"],\"title\":\"ValidationError\"},\"type\":\"array\",\"title\":\"Detail\"}},\"type\":\"object\",\"title\":\"HTTPValidationError\"}",[80],{"name":72,"summary":72,"description":41,"example":81},"{\"detail\":[{\"loc\":[],\"msg\":\"\",\"type\":\"\",\"ctx\":{}}]}",{"x2":83,"x3":84,"x4":84,"x5":84,"uptime":83,"avg_latency":85,"avg_credits":84},"100.00","0.00","526","v1",[88,91],{"question":89,"answer":90},"What does the LSI Keyword and Phrase Extractor API do?","The API analyzes plain text or HTML content to extract high-converting 2-word and 3-word Latent Semantic Indexing (LSI) n-grams and co-occurrences. It helps content creators, copywriters, and SEO specialists optimize articles for Google's Helpful Content System and semantic search without keyword stuffing.",{"question":92,"answer":93},"Can I connect this extractor to Claude Code, Cursor, or n8n workflows?","Yes. For AI agents (Claude Code, Cursor), you can connect instantly via our hosted Model Context Protocol (MCP) server at $0.01 per request. 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