Recent posts from child categories are returned but not with the parent's posts. For example here is the output of the api with a child category and a post inside it.
{
...
"children": [
{
...
"posts": [
{
"pid": "13316",
"tid": "1902",
"content": "<p>child category post</p>\n",
"uid": "1",
"timestamp": "1417109315798",
"deleted": "0",
"index": 1,
"user": {
},
"topic": {
},
"category": {
},
"relativeTime": "2014-11-27T17:28:35.798Z"
}
]
}
],
"parent": null,
"posts": [
{
"pid": "13170",
"tid": "1757",
"content": "",
"uid": "246",
"timestamp": "1411514894553",
"deleted": "0",
"index": 10,
"user": {
},
"topic": {
},
"category": {
},
"relativeTime": "2014-09-23T23:28:14.553Z"
}
]
},