{"uid":"cap_SaOBfdX1KwM8W6xKX5632","slug":"pixo-pdf-password-protect-aes-256-ec452cce","name":"Pixo PDF Password Protect (AES-256)","description":"Password-protect a PDF (AES-256) — priced per page","url":"https://api.pixo.tools/v1/pdf/protect","method":"POST","headers":{},"bodySchema":{"type":"object","required":["file","password"],"properties":{"file":{"type":"string"},"password":{"type":"string","description":"1-256 chars; used as both user and owner password"}}},"responseSchema":{"type":"string","format":"binary"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nsUFEOepLWtfWvFk51kGO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Applies AES-256 password protection to a PDF file, billed per page","exampleAgentPrompt":"Can you password-protect this PDF with AES-256 encryption? I'll upload the file — set the password to 'Str0ngP@ss2024' so only authorized recipients can open it.","exampleUseCases":null,"resultDescription":"A password-protected PDF file encrypted with AES-256, returned as a binary payload. The resulting file requires the specified password to open and cannot be read without it.","failureModes":["Invalid or corrupted PDF input — returns error indicating file cannot be processed","File too large or page count exceeds limits — returns quota/size error","Missing file in request body — returns 400 bad request","Payment failure or insufficient USDC balance — returns 402 Payment Required","Unsupported PDF version or encryption conflict — returns processing error"],"whenToPreferThis":"Use this endpoint when you need to add AES-256 password protection to a PDF programmatically, especially in automated workflows where document security is required before distribution. Prefer this over client-side solutions when you need a reliable, server-side encryption step integrated into an agent pipeline. It is priced per page, making it cost-effective for smaller documents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:40.459Z","isFirstParty":false}