Observed arrival · 2026-11-11
Courio mails PDFs as physical letters
It presents a no-account workflow for quoting and mailing PDFs to supported destinations, with separate instructions and API materials for AI agents.
- For
- People and AI agents sending documents by post
- Worth noticing
- The page lists standard, tracked, registered, and registered-with-proof options, and shows an estimated-delivery-days field.
Field notes
Users select a destination country and postal service, then request a per-letter quote before payment. The page lists standard, tracked, registered, and registered-with-proof options, and includes an estimated-delivery-days field. For integrations, it links GET /v1/coverage, POST /v1/letters/quote, API reference, OpenAPI, and llms.txt materials; it says authorization is not required. The extract does not establish actual delivery times or the live limits of destination coverage.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue