API是指应用程序编程接口，我们通过API接口可以实现特定的功能，而不需要了解其内部实现细节。可以把API接口理解为是特定服务的一种封装，将服务封装起来提供给他人调用，这样一来很多功能不需要从新开发。
API接口工具
获取抖音视频详情接口详情：
API 返回结果：
{
"item": {
"num_iid": "7129166156107238669",
"detail_url": "https://www.iesdouyin.com/share/video/7129166156107238669/?region=&mid=7129166189791611662&u_code=0&did=MS4wLjABAAAANwkJuWIRFOzg5uCpDRpMj4OX-QryoDgn-yYlXQnRwQQ&iid=MS4wLjABAAAANwkJuWIRFOzg5uCpDRpMj4OX-QryoDgn-yYlXQnRwQQ&with_sec_did=1&titleType=title",
"title": "不要笑挑战#",
"type": "video",
"nick": "七度空间",
"signature": "肥宅",
"uid": "1821214592991854",
"short_id": "47002479286",
"video": {
"url": "https://aweme.snssdk.com/aweme/v1/playwm/?video_id=v0200fg10000cbnu3k3c77udofu26l90&ratio=720p&line=0",
"url_raw": "https://aweme.snssdk.com/aweme/v1/play/?video_id=v0200fg10000cbnu3k3c77udofu26l90&ratio=720p&line=0",
"pic_url": "https://p26-sign.douyinpic.com/tos-cn-p-0015/5753e861f36244df973684a8dec5887d~c5_300x400.jpeg?x-expires=1661472000&x-signature=RsQBCmQxGu6BlqClLlzN8hL1dic%3D&from=4257465056_large&s=PackSourceEnum_DOUYIN_REFLOW&se=false&sc=cover&l=202208120858430102080380950631B57D"
},
"music": {
"title": "@七度空间创作的原声一七度空间",
"nick": "七度空间",
"url": "https://sf3-cdn-tos.douyinstatic.com/obj/ies-music/7129166188243995406.mp3",
"pic_url": "https://p26.douyinpic.com/aweme/1080x1080/aweme-avatar/tos-cn-avt-0015_da2b3f548623e683b0ff5f146c84e048.jpeg?from=116350172"
},
"item_imgs": []
},
"error": "",
"reason": "",
"error_code": "0000",
"cache": 0,
"api_info": "today:0 max:10100 all[8=0+1+7];expires:2030-12-31",
"execution_time": "0.277",
"server_time": "Beijing/2022-08-12 08:58:43",
"client_ip": "106.6.34.3",
"call_args": [],
"api_type": "douyin",
"translate_language": "zh-CN",
"translate_engine": "google_new",
"server_memory": "3.07MB",
"request_id": "gw-1.62f5a5c39cbe2",
"last_id": "1146197951"
}