{"uid":"cap_K3z7rgXOo2Hwy9QBgj2q7","slug":"nexusapi-ai-text-embeddings-84c6967e","name":"NexusAPI AI Text Embeddings","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-peach-nine.vercel.app/api/ai/embeddings?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.172356","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":"$0.172356/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.172356","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.172356","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DpbwRTh7xvIs5vBfWdSW5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.172356","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates vector embeddings for a given text query or input string via a pay-per-call API on Base","exampleAgentPrompt":"Generate a vector embedding for this text: 'The quick brown fox jumps over the lazy dog' — I need it for a semantic similarity comparison.","exampleUseCases":null,"resultDescription":"Returns an object containing the vector embedding (array of floats) representing the semantic content of the input text, suitable for downstream similarity search, clustering, or retrieval-augmented generation tasks.","failureModes":["Empty or missing query string returns a validation error","Extremely long input text may be truncated or rejected","Payment failure in USDC on Base blocks the request","Server-side model error returns a generic 500 response","Malformed JSON body returns a 400 bad request"],"whenToPreferThis":"Use this endpoint when you need pay-per-call text embeddings with no API key setup, especially in agentic workflows on Base where USDC micropayments are preferred over subscription billing. Good for one-off embedding calls or prototyping semantic search pipelines without committing to a managed embedding provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T18:41:30.571Z","isFirstParty":false,"canonicalSlug":"nexusapi-ai-text-embeddings-84c6967e"}