You should find that the Tweet objects contain an additional extended_tweet object. Here’s an example. The top-level truncated field is set to true so there’s an extended_tweet object lower down, which contains a full_text field with the full value.
{
"created_at": "Wed Nov 15 23:40:51 +0000 2017",
"id": 930943709205749761,
"id_str": "930943709205749761",
"text": "@andypiper I was being chased by a giant dinosaur, but I think I've managed to give it the slip. Oh, you've got a d\u2026 https:\/\/t.co\/kCFrM13o4v",
"display_text_range": [11, 140],
"source": "\u003ca href=\"http:\/\/wibble.org\" rel=\"nofollow\"\u003esimpletester123\u003c\/a\u003e",
"truncated": true,
"in_reply_to_status_id": 720316051825762304,
"in_reply_to_status_id_str": "720316051825762304",
"in_reply_to_user_id": 786491,
"in_reply_to_user_id_str": "786491",
"in_reply_to_screen_name": "andypiper",
"user": {
"id": 54931584,
"id_str": "54931584",
"name": "Evil Piper",
"screen_name": "evilpiper",
"location": null,
"url": null,
"description": "mwah-ha-haaaaa (aka, squirrel!)",
"translator_type": "none",
"protected": false,
"verified": false,
"followers_count": 31,
"friends_count": 22,
"listed_count": 0,
"favourites_count": 39,
"statuses_count": 668,
"created_at": "Wed Jul 08 15:40:42 +0000 2009",
"utc_offset": 0,
"time_zone": "London",
"geo_enabled": true,
"lang": "en",
"contributors_enabled": false,
"is_translator": false,
"profile_background_color": "1A1B1F",
"profile_background_image_url": "http:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png",
"profile_background_image_url_https": "https:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png",
"profile_background_tile": false,
"profile_link_color": "91061F",
"profile_sidebar_border_color": "181A1E",
"profile_sidebar_fill_color": "949399",
"profile_text_color": "120312",
"profile_use_background_image": false,
"profile_image_url": "http:\/\/pbs.twimg.com\/profile_images\/860122276469116929\/k3npzTav_normal.jpg",
"profile_image_url_https": "https:\/\/pbs.twimg.com\/profile_images\/860122276469116929\/k3npzTav_normal.jpg",
"profile_banner_url": "https:\/\/pbs.twimg.com\/profile_banners\/54931584\/1400069736",
"default_profile": false,
"default_profile_image": false,
"following": null,
"follow_request_sent": null,
"notifications": null
},
"geo": null,
"coordinates": null,
"place": null,
"contributors": null,
"is_quote_status": false,
"extended_tweet": {
"full_text": "@andypiper I was being chased by a giant dinosaur, but I think I've managed to give it the slip. Oh, you've got a dinosaur too! Come on, Team Not Dead. It\u2019s a bit more exciting when you go the other way...",
"display_text_range": [11, 205],
"entities": {
"hashtags": [],
"urls": [],
"user_mentions": [{
"screen_name": "andypiper",
"name": "andy piper (pipes)",
"id": 786491,
"id_str": "786491",
"indices": [0, 10]
}],
"symbols": []
}
},
"quote_count": 0,
"reply_count": 0,
"retweet_count": 0,
"favorite_count": 0,
"entities": {
"hashtags": [],
"urls": [{
"url": "https:\/\/t.co\/kCFrM13o4v",
"expanded_url": "https:\/\/twitter.com\/i\/web\/status\/930943709205749761",
"display_url": "twitter.com\/i\/web\/status\/9\u2026",
"indices": [117, 140]
}],
"user_mentions": [{
"screen_name": "andypiper",
"name": "andy piper (pipes)",
"id": 786491,
"id_str": "786491",
"indices": [0, 10]
}],
"symbols": []
},
"favorited": false,
"retweeted": false,
"filter_level": "low",
"lang": "en",
"timestamp_ms": "1510789251029"
}