I’ve tried to post only an image without further text, but the api/v1/statuses endpoint returns an HTTP status code 422 and the post is not saved. The image is uploaded successfully, though.
*snip* - - [24/Apr/2025:18:43:33 +0000] "POST /api/v2/media HTTP/2.0" 200 235 "-" "Mozilla/5.0 *snip*"
*snip* - - [24/Apr/2025:18:43:33 +0000] "POST /api/v1/statuses HTTP/2.0" 422 97 "-" "Mozilla/5.0 *snip*"