Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and standalone address verification at POST /v1/verify. Integration flow: POST /v1/documents to upload, POST /v1/quotes to lock a fixed USDC price for a recipient, then pay the returned per-quote x402 URL to create and mail the piece. Price is fixed per quote.
postagent-api.interpretai.techmailprintlettersuspsfulfillmentTrust score is global for the provider. Latency, price and uptime are measured per endpoint (last 24h).
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