{"uid":"cap_aozJaYllp91lodgb_38C4","slug":"x402-server-sandy-vercel-app-fc3ed8d2","name":"NFT Newsletter Issue Generator","description":"Email newsletter issue: subject line, inbox preview text, and full markdown body. Collector-first voice, email-optimized.","url":"https://x402-server-sandy.vercel.app/content/newsletter","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"nft":{"type":"object","description":"NFT metadata object"},"config":{"type":"object","description":"Optional: { tone }"},"analysis":{"type":"object","description":"Research analysis from /research"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_u5zd8o6sjiKY2hW7Z4czP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a complete email newsletter issue about an NFT — including subject line, inbox preview text, and full markdown body — written in a collector-first voice optimized for email delivery.","exampleAgentPrompt":"Write me a collector-voiced email newsletter issue about this NFT — I'll pass you the metadata and research analysis — and give me a punchy subject line, preview text, and a full markdown body I can send to my list.","exampleUseCases":null,"resultDescription":"Returns a complete email newsletter issue including: a subject line optimized for open rates, inbox preview text, and a full markdown-formatted newsletter body written from a collector-first perspective covering the NFT's story, context, and appeal.","failureModes":["Missing or malformed NFT metadata object returns a validation error","Missing research analysis may produce thin or generic content","Invalid tone config value may be ignored or cause a 400 error","Payment failure via x402 protocol returns 402 Payment Required","Overly sparse NFT metadata results in low-quality generic output"],"whenToPreferThis":"Choose this endpoint when you need a fully email-optimized newsletter issue — complete with subject line and preview text — written specifically from a collector's point of view. Prefer this over the Paragraph.xyz article endpoint when you need email-format output rather than a long-form web article, and over the Twitter/Farcaster endpoint when the target channel is email rather than social media.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:48:33.246Z","isFirstParty":false}