Click2Mail API: Click2Mail Mail API
Print and mail letters, postcards and certified mail through USPS.
Notes. Docs page did not return 200 to a plain fetch on 2026-11-02 (got 403); details are from prior knowledge (check).
Connect
This is an API, not an MCP server. Call it over HTTP. Setup steps are in its source .
Endpoints
The endpoints are in its docs .
Facts on this page come from the project's README, registry record or docs, read on the date shown. Transport and auth are read from the text, so confirm them before you rely on them. Something wrong? See Get listed.
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