{"uid":"cap_uYlSZV1FY6rxpMvcWbOXg","slug":"amanchain-keyword-entity-extraction-06970664","name":"AmanChain Keyword & Entity Extraction","description":"Keyword & Entity Extraction: extract keywords, entities and topics from text Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {\"serviceId\":\"aman-keywords\",\"request\":\"<input>\"}. No account, no API key.","url":"https://preview-chat-701ec510-82d7-4ee3-ae9d-8fdb8c4f421b.space-z.ai/api/x402/aman-keywords","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"request":{"type":"string","description":"service input (see body example)"},"serviceId":{"type":"string","description":"the service id, \"aman-keywords\""}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.00311","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.00311/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00311","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00311","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2ygw0U6qnOGsmw3gE145m","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.00311","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts keywords, named entities, and topics from input text, paid per call via x402 in USDC on Base.","exampleAgentPrompt":"Can you pull out all the keywords, named entities, and main topics from this text: 'Apple CEO Tim Cook announced a new partnership with OpenAI at the Cupertino headquarters last Tuesday, sending AAPL stock up 3%.'?","exampleUseCases":[{"title":"Tag news article for content indexing","prompt":"Extract all the keywords, entities, and topics from this news paragraph so I can index it: 'The European Central Bank raised interest rates by 25 basis points on Thursday, citing persistent inflation across the eurozone. President Christine Lagarde said further hikes are possible.'"},{"title":"Enrich product reviews with key terms","prompt":"Pull out the main keywords and any named entities from this customer review: 'The Sony WH-1000XM5 headphones have incredible noise cancellation but the carrying case feels cheap compared to Bose.'"},{"title":"Identify topics in research abstract","prompt":"What are the key entities and topics in this abstract? 'Researchers at MIT and Stanford have developed a novel CRISPR-based therapy targeting BRCA1 mutations, showing a 40% reduction in tumor growth in murine models.'"}],"resultDescription":"A structured response containing extracted keywords (important terms), named entities (people, organizations, locations, products, etc.), and identified topics found within the input text.","failureModes":["Empty or very short input text may yield few or no results","Non-English text may produce lower-quality extractions","Payment failure via x402 will block the call","Malformed JSON body or missing serviceId field returns an error","Extremely long inputs may be truncated or cause timeouts"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call keyword and entity extraction without managing API keys or subscriptions. Ideal for agents processing arbitrary text in automated pipelines where cost predictability (fixed USDC micro-payment) matters. Best suited for single-document NLP enrichment tasks rather than bulk batch processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:34:11.593Z","isFirstParty":false}