{"name":"Piloxa","description":"Piloxa is an online service for preparing and sending physical letters by USPS Certified Mail after human review and authorization. It prints the letter, envelopes it, pays the postage and hands it to USPS, and keeps the exact approved document with the mailing and tracking record.","operator":"Decentralized Publishing LLC, Irvine, California","updated":"2026-10-07","humanAuthorization":"Nothing is printed, mailed or charged until a person reviews the exact document, the recipient and the total, and approves and pays on the review page. An assistant can check, quote and prepare; it cannot send.","humanApprovalRequired":true,"accountRequiredToPrepare":false,"destinations":"United States addresses","currency":"USD","services":[{"id":"CERTIFIED","name":"Certified Mail","includes":"USPS Certified Mail with tracking: a mailing receipt and a USPS record of delivery or attempted delivery.","default":false,"pricesByPages":{"1":12.97,"2":13.07,"3":13.18,"4":13.58,"5":13.68,"6":13.78,"7":13.89,"8":13.99,"9":14.09,"10":14.2}},{"id":"CERTIFIED_ERR","name":"Certified Mail with Electronic Return Receipt","includes":"Certified Mail plus the USPS electronic return receipt: the delivery date, the name and signature of whoever accepted it, and the delivery address.","default":true,"pricesByPages":{"1":15.97,"2":16.07,"3":16.17,"4":16.58,"5":16.68,"6":16.78,"7":16.88,"8":16.99,"9":17.09,"10":17.19}},{"id":"CERTIFIED_EVIDENCE","name":"Evidence Pack","includes":"Certified Mail with Electronic Return Receipt, plus a certificate naming the document by its SHA-256 fingerprint with the authorization, the article number and every USPS scan, and a longer retention period.","default":false,"pricesByPages":{"1":24.21,"2":24.31,"3":24.41,"4":24.81,"5":24.92,"6":25.02,"7":25.12,"8":25.23,"9":25.33,"10":25.43}},{"id":"CERTIFIED_DEADLINE","name":"Deadline Notice","includes":"The Evidence Pack plus a second copy sent the same day by First-Class Mail, and an email to the sender if USPS reports the certified copy unclaimed, refused or undelivered.","default":false,"pricesByPages":{"1":50.1,"2":50.3,"3":50.51,"4":51.31,"5":51.52,"6":51.72,"7":51.93,"8":52.14,"9":52.34,"10":52.55}}],"pricesInclude":"Printing, the envelope, USPS postage and the USPS extra-service fees. Nothing is added at checkout.","priceSource":"The exact current price is returned by quote_certified_letter (GET /api/v1/quote). Prices follow the printer’s cost, so a typed figure can go stale.","capabilities":"https://piloxa.com/agent-capabilities.json","introductoryOffer":{"price":9.95,"maxPages":2,"service":"CERTIFIED","firstLetterOnly":true,"terms":"A person's first letter is $9.95 all in: one or two pages by Certified Mail with tracking, without the return receipt, one per account."},"uspsCounterFees":{"effective":"2026-07-12","postageOneOunceLetter":0.82,"certifiedMailFee":5.55,"electronicReturnReceipt":2.91,"greenCardReturnReceipt":4.65,"source":"https://pe.usps.com/text/dmm300/Notice123.htm"},"notOffered":["Restricted Delivery","paper green-card return receipt","Registered Mail","Priority Mail","international destinations"],"evidence":["The exact approved document (a PDF byte for byte, or the laid-out pages of a pasted letter) and its SHA-256 fingerprint","The recipient and sender addresses as printed, after a postal address check","The words and time of the person's authorization, and the amount paid","The printing partner's acceptance of the job and its reference","Each USPS tracking event as reported, and the electronic return receipt when bought and released by USPS","Where USPS has reported nothing, the record says \"no record yet\" rather than assuming"],"uspsFactsNote":"USPS records the mailpiece, not its contents. Certified Mail does not prove what was inside the envelope.","tools":{"mcp":"https://piloxa.com/mcp","openapi":"https://piloxa.com/openapi.json","actions":{"check":"check_certified_letter: Read only. Checks a draft letter or document before mailing: page count, recipient and sender address completeness, missing fields, placeholders, a deadline in the text, the recommended service and its exact price. Stores nothing.","quote":"compare_certified_mail_services: Read only. Every service Piloxa offers, what it includes, when to use it and its exact current price for a page count.","prepare":"prepare_certified_letter: Creates an unsent letter and returns the review link where the person reads it, pays and authorizes. Never prints, mails or charges.","track":"explain_certified_mail_status: Read only. A USPS tracking status or Piloxa state in plain words, with the next step and the guide that explains it.","learn":"fetch: Read only. The full text of one guide, with its URL and last-updated date."}},"pages":{"certifiedMailReference":"https://piloxa.com/certified-mail","legalNotices":"https://piloxa.com/legal-notice-certified-mail","costCalculator":"https://piloxa.com/certified-mail-cost-calculator","readinessCheck":"https://piloxa.com/certified-mail-readiness-check","forAiAgents":"https://piloxa.com/for-ai-agents","pricing":"https://piloxa.com/pricing"},"sources":[{"title":"USPS Domestic Mail Manual 503: Extra Services","url":"https://pe.usps.com/text/dmm300/503.htm"},{"title":"USPS Domestic Mail Manual 508: Recipient Services","url":"https://pe.usps.com/text/dmm300/508.htm"},{"title":"USPS Notice 123: Price List","url":"https://pe.usps.com/text/dmm300/Notice123.htm"}]}