{"uid":"cap_nMCYF3xo_ovaVUxgbJtmc","slug":"apexapi-ai-embeddings-4babcf1f","name":"ApexAPI AI Embeddings","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/ai/embeddings","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_PqLMlXxdAwb1iG9uYZSgm","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, suitable for semantic search and similarity tasks","exampleAgentPrompt":"Generate a vector embedding for the text 'The quick brown fox jumps over the lazy dog' so I can use it for semantic similarity search.","exampleUseCases":null,"resultDescription":"Returns an API response object containing the vector embedding (numerical array) representing the semantic content of the input text query.","failureModes":["Empty or missing query field returns validation error","Query string too long may exceed token limits","Payment of 0.172356 USDC not sent results in 402 Payment Required","Network timeout if model inference is slow","Malformed JSON body returns 400 error"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call text embeddings with no API key setup, paying in USDC on Base via x402 protocol. Suitable for agents needing on-demand semantic embeddings without managing API credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:03:20.648Z","isFirstParty":false}