Hello,

I can view all the url with mimeType as video/mp4 in my browser. Please check it carefully before posting something.
https://prnt.sc/FbKGPuaTT1w6

Regards.

<Error>
<Code>InvalidKey</Code>
<Message>Unknown Key</Message>
</Error>

this is what showing while it browsing it through the browser

{
"@meta": {
“operation”: “GetVideoV2Playback”,
“requestId”: “bdaed337-f5ea-4f19-a7a6-8371f9f179ed”,
“serviceTimeMs”: 16.203591
},
“resource”: {
"@type": “imdb.api.video.v2.playback”,
“adUrl”: “https://prod.entry.video-ads.a2z.com/2018-01-01/ads?tkws={“tt”%3A"tv"%2C"clientId"%3A"imdb"%2C"vi"%3A"_PLAYLISTINDEX_"%2C"resp"%3A"vast3"%2C"u"%3A"_CLIENT_SIDE_ATTRIBUTE_"%2C"vl"%3A"_PLAYLISTID_"%2C"g"%3A"an"%2C"android_app"%3A"8.2.4"%2C"id"%3A"tt28134793|vi2025375513"%2C"vt"%3A"_PLAYERTYPE_"}&pj={“CustomMacroContext”%3A{“PriorityVideoSource”%3A"true"}}&adUnit=imdb.us.android&mind=6&slot=preroll_android&ptner=imdb&slots=[{“s”%3A"1080x2016"%2C"mt"%3A"v"}]&geoc=US&lp=987266a8-448b-4bbe-8770-4805fdb695d4&ip=23.236.247.189&dplat=android&maxd=30&lobexp=6&rt=vast3&maxc=1&vid=vi2025375513&bp=preroll&pt=all&prid=imdb-app&uagent=Mozilla%2F5.0 (Linux%3B Android 8.1.0%3B Mi MIX 2 Build%2FOPM7.181205.001%3B wv) AppleWebKit%2F537.36 (KHTML%2C like Gecko) Version%2F4.0 Chrome%2F72.0.3626.121 Mobile Safari%2F537.36 IMDb%2F8.2.4.108240602 (Xiaomi|Mi MIX 2%3B Android 27%3B Xiaomi) IMDb-flg%2F8.2.4 (1080%2C2016%2C403%2C403) IMDb-var%2Fapp-andr-ph”,
“encodings”: [
{
“definition”: “AUTO”,
“mimeType”: “application/x-mpegurl”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/hls-1687290569545-master.m3u8?Expires=1698478907&Signature=sgBlgZTwX4Rf7WgDg0oz8SSqjyQ4W8PW_{dXcxfk1Y12z4GGknRiNRPV1xAa8I8LsxG0P2gRQzkRu9s9o6}yOPXQtYutqgHO5kdVgijMFeLihya9gVYZze-U-vm4Caf44JbAZ_{jvpW5zj3p6JC1pH5Hk9JAqs9f0dgOBRDv}98I0epgImBdC44Au8HJ7ydNbHEagjNSiuI5ko1U2-sWNU6mhXuvPlP_{cu-XWVPVLj2JzmQQdWZ9veG4izMsnWDy4sRtzjWZjXvg3lb-c7WQzzvMfpuUVWi86e9QOOLLOMez-WRipZg97LBGq1i6U6-rL7cq0xymZsbt4}pdsQ-o-R9Q__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
},
{
“definition”: “1080p”,
“mimeType”: “video/mp4”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/1434659529640-260ouz-1687290569545.mp4?Expires=1698478907&Signature=JAca6sp1rPGm9q4XbZanhK0VNKmDtPXOuRkFD_{1GKMUQ3qrnW5eiWp}-QDqBJ-Mpd3YvdJZdcwyMel1hfgMLsh-DALmoZB91_{jgSTdLVKe7F3rQFlV063iEEzNkKCVCeQGsrtWECNBSZg9658Z7EaODgTn}sgcZ7aVkG3V5-RlILHZY7W9qWJhxzxLjvTAr_{La26pCrlOUuSYPun8QN7H3y5Dw7IFNUf5sCllLeixtiB0x}~SXzWN9q9TybPRIAk-YMfip1Dbbdz9C9am5gVqlbO7SUCpO519jbvTJfdYbLXrnCqW4n9Pb5ainmYClWzRGhpzimQ1ONlrDzX-OkUVg__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
},
{
“definition”: “720p”,
“mimeType”: “video/mp4”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/1434659379400-8cjq25-1687290569545.mp4?Expires=1698478907&Signature=CSH6YFjALI5QNB1NYEY9cdI9xFtDbijgELJ5JjqBPEdM7guFeSOriKRMwdDdg-PgTlzIh1D9oa6dTtv696FYZUH-pSK0m8qpFrfHteV_{c0DdtnKVJXtAx81LP7g0M-PT7BdpZrmhf5KQ5uErB5F4QXn16r}r-qwQ1On_{gmlOb6IT2OAoPJroV0}x85KfsjKnNg3vkKyk0MGpelBMF_{ahUP5H8dFDij5WIWON}jsbFZvE2y_{k-xAJvW1N1aIq4N1t6CX0vmjPXXCeYm-Jc7Jpp9J-Lb1rl5}ad8RYMRWqUBfGKaJXtXlWTRfkJv91W2w8SfR6-C~2wp3nrNZlJcmcqw__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
},
{
“definition”: “480p”,
“mimeType”: “video/mp4”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/1434659607842-pgv4ql-1687290569545.mp4?Expires=1698478907&Signature=JgyaLoJNezOS-FHUTnRxRUn3smZzVlIwG3UwHiVh8b4AFavZx5GNVsF-olmx09sL-TVCjTpns3Qg5CK0ez81f4Mqr02OEa8dSmGaS4UQRokzqM8qglnZ1F-nrgCvBb3YK3VRDeQk-T4QSoumhbev0Q9dBzg2skAdjig6k5F7wdl9tc0p5yDKEWhsL3gSeaeEQwEtKhKIQIq6rDlWMdtmP_{sAe5vXKMp-Z3hkfe50KBWAQe0jEQg}PKu64USG3H0Ad5_{AFQDOFNbDUkHUTSVc0fFIhUDRWDCQwNq1fZhdnvz-krYY}i3z3ohOP5rEbIWh1oLz8JXqm~ZqB-wh4wLJ9Q__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
},
{
“definition”: “SD”,
“mimeType”: “video/mp4”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/1434659454657-dx9ykf-1687290569545.mp4?Expires=1698478907&Signature=vRArxllUds4YiqjTdi6W1qd5Zv2-V5dmOij5Z4hMKd3DbhXbOZHgKxEVWJfIqvuWO7PjD7j1vF85L7YD8ruC3S8cpjXyPSDNoXZY_{U5AwsvMoynW62273X5DA9qDNyjfZHwNwXkFCJ8n99j}dHu9PW_dAADx1dX2QJBypSPQCFKqzW3G639mckHp3h-npQYwnFo2dQtQxIlJraaSFCTTUlpYNA3CFaGX-JYLrXS1jekBHY4Cj-Wm3tIPGJ76y-RDK1Ei-Sb9uLTgzN-y_{nVr-Gh0H4DMm2}ix_{WMjc8SZUraX0yb7hJaKQJcryDlGJ-DQiW}U88AGgFwloRY3SrMw__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
}
],
“id”: “/videoV2/vi2025375513”,
“previews”: [
{
“definition”: “AUTO”,
“mimeType”: “application/x-mpegurl”,
“playUrl”: “https://imdb-video.media-imdb.com/vi2025375513/hls-preview-2aa63d1d-fd65-498c-87b9-35febb3837ef.m3u8?Expires=1698478907&Signature=ElZcpoWRhc1hmpQCum8-cstiGyzki9AVfe8VU5pBSzLqGTxwjpM1POeviCQtsLBYjrXaNwiiiZH52gkmJgAXsUqSD33xAL-udfU1G7Cl-MNL467FpSmhyytGSTpGLXHKHUUAYmk1WqhCo54iD188OYHw2wCbrxYwR-R8hZx3_{8rMs7kLbJKGd1kZRXVChW3ufHcW-hNeAJnZYoxAFbDlyF24sRz88ANKP1x44ELFS2kpAcMhKA2gaHMw41Ns2TX1kq0eOx3hhT-oy593gQfGTeuU}95VZA-PVOAMbWLzbp06w46s4wgItTiM6G3zcbg61qczBa0oCc5pHHfD1vW5~Q__&Key-Pair-Id=APKAIFLZBVQZ24NQH3KA”
}
]
}
}
this is what i got

Hello,

Please manually make a call with an HTTP client such as : postman.com and paste the response data here to get further help.

Regards.