{"uid":"cap_7NwzJACN-47bWsqShHyOw","slug":"nexusapi-instagram-caption-generator-5c618c60","name":"NexusAPI Instagram Caption Generator","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/caption/instagram","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":"0.093609","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":"$0.093609/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.093609","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.093609","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__gaY5VR7M27BbQhqd1DzS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.093609","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates AI-written captions for Instagram posts based on a text query or topic input","exampleAgentPrompt":"Write me an engaging Instagram caption for a sunset beach photo from my vacation in Bali — something poetic and wanderlust-themed with relevant hashtags.","exampleUseCases":null,"resultDescription":"Returns an AI-generated Instagram caption tailored to the provided topic or description, likely including suggested hashtags and engaging copy suitable for posting on Instagram.","failureModes":["Empty or missing query returns a generic or error response","Query too vague may produce off-topic captions","Payment failure (402) if USDC not provided correctly","Rate limiting or server errors from the Vercel host"],"whenToPreferThis":"Use this endpoint when you need AI-generated Instagram-specific captions quickly without managing API keys, paying per call in USDC on Base via the x402 protocol. Prefer this over general text generators when you want copy optimized for Instagram tone and hashtag conventions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:52:27.991Z","isFirstParty":false}