Write it once. Peg it everywhere.

curl https://api.postpeg.com/v1/posts \
  -H "Authorization: Bearer $POSTPEG_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: changelog-2026-10-01" \
  -d '{
    "account_ids": [
      "acc_mfz1x0k27d4q8vbn3c5s0a1p9e",
      "acc_mfz1y4r9h2c6t0wqk8e3m7ld5f",
      "acc_mfz20b5n1s8f4j7xv2p9r6hu1c"
    ],
    "content": "Scheduled posts now retry on their own when a network has a bad minute. Changelog: https://example.com/changelog #buildinpublic",
    "media": [
      {
        "url": "https://example.com/changelog.png",
        "type": "image"
      }
    ],
    "scheduled_at": "2026-10-01T09:00:00Z"
  }'

The post is scheduled; every target is pending.

{  "id": "post_mfz2k3v8q1w5e9r4t7y0u2i6o3",  "content": "Scheduled posts now retry on their own when a network has a bad minute. Changelog: https://example.com/changelog #buildinpublic",  "media": [    {      "url": "https://example.com/changelog.png",      "type": "image"    }  ],  "platform_options": {},  "status": "scheduled",  "scheduled_at": "2026-10-01T09:00:00.000Z",  "targets": [    {      "account_id": "acc_mfz1x0k27d4q8vbn3c5s0a1p9e",      "platform": "x",      "status": "pending",      "platform_post_id": null,      "url": null,      "error": null,      "attempts": 0,      "published_at": null    },    {      "account_id": "acc_mfz1y4r9h2c6t0wqk8e3m7ld5f",      "platform": "linkedin",      "status": "pending",      "platform_post_id": null,      "url": null,      "error": null,      "attempts": 0,      "published_at": null    },    {      "account_id": "acc_mfz20b5n1s8f4j7xv2p9r6hu1c",      "platform": "instagram",      "status": "pending",      "platform_post_id": null,      "url": null,      "error": null,      "attempts": 0,      "published_at": null    }  ],  "created_at": "2026-09-24T14:02:11.418Z"}