{"id":"b067ad43-c071-4349-b429-822be737dd91","shortId":"xFqWhb","kind":"x402","title":"AI content strategy agent powered by Gemini Pro, paid per call via x402 on Base.","tagline":"AI content strategy agent powered by Gemini Pro, paid per call via x402 on Base.","description":"The Content Marketing Strategist endpoint at marketing.402box.io is one of 69 specialized AI agents in the 402box AI Agent Suite. It generates comprehensive content strategies including blog ideas, editorial calendars, topic clusters, and content distribution plans. The agent is powered by Google Gemini Pro and accepts a single text prompt via a JSON POST body.\n\nPayment is handled through the x402 micropayment protocol on the Base (Coinbase L2) network. Each call costs $0.02 in USDC (contract 0x8335…2913), settled on-chain to the provider's wallet. The endpoint returns a JSON object containing a success flag, the agent name, the Gemini Pro response text, and an ISO 8601 timestamp.\n\nThe broader 402box suite covers marketing, finance, compliance, token/DeFi strategy, localization, and global expansion categories — all at the same $0.02 per-call price point (with a few exceptions for higher-tier agents). No dedicated API documentation, OpenAPI spec, or usage examples are published; the outputSchema embedded in the x402 challenge is the only formal contract available.","tags":[],"capabilities":["content-strategy","editorial-calendar","topic-clustering","blog-ideation","content-distribution-planning","gemini-pro-llm","x402-micropayment","base-l2-usdc"],"categories":["llm","marketing"],"synonyms":["content strategy generator","editorial calendar planner","blog idea generator","topic cluster builder","content marketing planner","content distribution advisor","402box content strategist"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README all return 404","No OpenAPI or ai-plugin manifest published","Output quality depends entirely on Gemini Pro; no guarantees or SLAs documented","The outputSchema is the only formal contract; no versioning or changelog exists"],"endpointUrl":"https://marketing.402box.io/content_strategist","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x7362B94B23Ce9F6Cf9ec8E08d0f00582b048b696","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://marketing.402box.io/content_strategist","description":"Create comprehensive content strategies including blog ideas, editorial calendars, topic clusters, and content distribution plans","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"message":{"type":"string","required":true,"description":"Your prompt/query for the agent"}},"discoverable":true},"output":{"type":"object","properties":{"data":{"type":"object","properties":{"response":{"type":"string","description":"Agent response from Gemini Pro"}}},"agent":{"type":"string","description":"Agent name"},"success":{"type":"boolean","description":"Whether the request was successful"},"timestamp":{"type":"string","description":"ISO 8601 timestamp"}}}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.550","qualityRationale":"The x402 challenge is live and includes an outputSchema describing both input and output. However, there is no OpenAPI spec, no dedicated docs page, and no usage examples beyond what can be inferred from the schema and landing page. Pricing is clear ($0.02 USDC per 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'0x8335':107 '2913':108 '402box':47,143 '402box content strategist' '69':41 '8601':139 'accept':76 'agent':4,19,44,49,68,129,174 'ai':1,16,43,48 'api':177 'avail':198 'base':15,30,96 'base-l2-usdc' 'blog':57 'blog idea generator' 'blog-ideation' 'bodi':85 'broader':142 'calendar':60 'call':11,26,101,163 'categori':155 'chain':112 'challeng':192 'cluster':62 'coinbas':97 'complianc':148 'comprehens':53 'contain':124 'content':2,17,32,54,64 'content distribution advisor' 'content marketing planner' 'content strategy generator' 'content-distribution-planning' 'content-strategy' 'contract':106,197 'cost':102 'cover':145 'dedic':176 'distribut':65 'document':178 'editori':59 'editorial calendar planner' 'editorial-calendar' 'embed':188 'endpoint':35,119 'exampl':183 'except':169 'expans':154 'financ':147 'flag':127 'formal':196 'gemini':7,22,73,132 'gemini-pro-llm' 'generat':52 'global':153 'googl':72 'handl':88 'higher':172 'higher-ti':171 'idea':58 'includ':56 'iso':138 'json':83,122 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Developer Productivity ...\n2. 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