This appears to work for `pagebundle` in place of `wt`.

```
curl -s -H "Content-Type: application/json" -X POST -d @T75955.json localhost:8000/v2/en.wikipedia.org/pagebundle/Main_Page/1
```

```
{
    "data-parsoid": {
        "body": {
            "counter": 1,
            "ids": {
                "mwAA": {
                    "dsr": [
                        0,
                        949,
                        0,
                        0
                    ]
                },
                "mwAQ": {
                    "dsr": [
                        928,
                        949,
                        0,
                        0
                    ]
                }
            }
        },
        "headers": {
            "content-type": "application/json;profile=mediawiki.org/specs/data-parsoid/0.0.1"
        }
    },
    "html": {
        "body": "<!DOCTYPE html>\n<html prefix=\"dc: http://purl.org/dc/terms/ mw: http://mediawiki.org/rdf/\" about=\"http://en.wikipedia.org/wiki/Special:Redirect/revision/12345\"><head prefix=\"mwr: http://en.wikipedia.org/wiki/Special:Redirect/\"><meta property=\"mw:articleNamespace\" content=\"0\"/><link rel=\"dc:replaces\" resource=\"mwr:revision/12342\"/><meta property=\"dc:modified\" content=\"2002-02-16T19:00:49.000Z\"/><meta about=\"mwr:user/0\" property=\"dc:title\" content=\"210.55.230.17\"/><link rel=\"dc:contributor\" resource=\"mwr:user/0\"/><meta property=\"mw:revisionSHA1\" content=\"1ec7fece702a00b9d99c0e848eea8c524d12fe3f\"/><meta property=\"dc:description\" content=\"*\"/><meta property=\"mw:parsoidVersion\" content=\"0\"/><link rel=\"dc:isVersionOf\" href=\"//en.wikipedia.org/wiki/Main_Page\"/><title>Main_Page</title><base href=\"//en.wikipedia.org/wiki/\"/><link rel=\"stylesheet\" href=\"//en.wikipedia.org/w/load.php?modules=mediawiki.legacy.commonPrint,shared|mediawiki.skinning.elements|mediawiki.skinning.content|mediawiki.skinning.interface|skins.vector.styles|site|mediawiki.skinning.content.parsoid&amp;only=styles&amp;debug=true&amp;skin=vector\"/></head><body id=\"mwAA\" lang=\"en\" class=\"mw-content-ltr sitedir-ltr ltr mw-body mw-body-content mediawiki\" dir=\"ltr\"><p id=\"mwAQ\">the original wikitext</p></body></html>",
        "headers": {
            "content-type": "text/html;profile=mediawiki.org/specs/html/1.0.0"
        }
    }
}
```