{
  "slug": "stripe-trial-offers-expand-end-behavior-transition-price-72e8a0994b6e",
  "title": "Stripe Trial Offers expand end_behavior.transition.price",
  "tools": [
    "stripe"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-05-27T00:00:00.000Z",
  "announced_at": "2026-05-27T00:00:00.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When creating or retrieving a Trial Offer and you need its transition pricing details, include `end_behavior.transition.price` in the request’s `expand` parameter to receive the full Price object.",
    "gotchas": [
      "expand[]: end_behavior.transition.price: Expands the nested transition price ID into a full Price object in the response. `expand` accepts multiple entries; the docs do not say entries are mutually exclusive.",
      "expand: Request parameter that expands an expandable ID into an object in that request’s response.",
      "The full Price object is returned only when `end_behavior.transition.price` is included in the `expand` parameter; otherwise the field returns the price ID as a string."
    ]
  },
  "why_it_matters": "When retrieving or creating a Trial Offer and you need its transition pricing details, retrieve the full Price object in the response.",
  "before": "The transition price property returned the Price object’s ID as a string.",
  "sources": [
    "https://docs.stripe.com/changelog/dahlia/2026-05-27/trial-offer-prices-expansion",
    "https://docs.stripe.com/api/expanding_objects?api-version=2026-05-27.preview"
  ],
  "rank": 0.94025,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "wave1b-tools-20261017",
    "verdict_id": "wave1b-tools-20261017:wave1b-tools-20261017-293996dd24f6ef90-0:gate",
    "evidence_hash": "4fdd160b56fb52170e76567ca8063b1385ee26b76527834ec57cc713ac8e8eb6"
  },
  "review": {
    "draft_hash": "874b25f907617abd79a44360ef6ac8cd17e2405a1d55f130a7fdea091658ffc5",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave1b-tools-20261017:gate",
    "reason": "2 of 3 judge runs approved with p_yes >= 0.9 (mean 0.94 >= 0.9; 2 needed) and Jev gave 0.71 (>= 0.6 needed)."
  }
}