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Heygen · v2 · Translate · Speed

Integrate

Model id heygen/v2/translate/speed
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/heygen/v2/translate/speed?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "output_language": "English"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Files like the example: $0.50 500 API credits your files are measured before the run Run it on this page

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HeyGen Lipsync & Avatars Lipsync #video-to-video

Speed-oriented video translation into one of 178 languages, for videos up to 8 minutes

HeyGen · Video

Your first result goes here

Build a request below and run it with your API key. Outputs are copied to our storage, kept forever or 7 days for free.

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Controls are generated from the model schema. The code and the price update as you change them.

•required video_url
Drop a file, or

Source video URL for translation; video duration must not exceed 8 minutes.

•required

Destination language for the video translation.

Advanced srt_role · brand_glossary_id · srt_url · speaker_num · translate_audio_only · enable_dynamic_duration · enable_caption
srt_role

Specifies whether the supplied SRT belongs to the original video or its translation.

Identifier selecting a HeyGen brand glossary to customize translations of terms.

Optional custom subtitle file URL in SRT format.

Count of speakers present in the video.

POST /run/heygen/v2/translate/speed?wait=20 quote → $0.50
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/heygen/v2/translate/speed?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "output_language": "English"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About Heygen · v2 · Translate · Speed

Translates a video's speech into the chosen `output_language`, with 178 languages available. The source video may be up to 8 minutes. Options include audio-only translation, a speaker count, dynamic duration for languages with different speaking rates, a brand glossary ID, a custom SRT file and an SRT caption output. This is the faster variant.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
video_urlrequired video
Typeurl · video
Source video URL for translation; video duration must not exceed 8 minutes.
output_languagerequired
Typeenum
EnglishSpanishFrenchHindiItalianGermanPolishPortugueseChineseJapaneseDutchTurkishKoreanDanishArabicRomanian
+162 moreMandarinFilipinoSwedishIndonesianUkrainianGreekCzechBulgarianMalaySlovakCroatianTamilFinnishRussianAfrikaans (South Africa)Albanian (Albania)Amharic (Ethiopia)Arabic (Algeria)Arabic (Bahrain)Arabic (Egypt)Arabic (Iraq)Arabic (Jordan)Arabic (Kuwait)Arabic (Lebanon)Arabic (Libya)Arabic (Morocco)Arabic (Oman)Arabic (Qatar)Arabic (Saudi Arabia)Arabic (Syria)Arabic (Tunisia)Arabic (United Arab Emirates)Arabic (Yemen)Armenian (Armenia)Azerbaijani (Latin, Azerbaijan)Bangla (Bangladesh)BasqueBengali (India)Bosnian (Bosnia and Herzegovina)Bulgarian (Bulgaria)Burmese (Myanmar)CatalanChinese (Cantonese, Traditional)Chinese (Jilu Mandarin, Simplified)Chinese (Mandarin, Simplified)Chinese (Northeastern Mandarin, Simplified)Chinese (Southwestern Mandarin, Simplified)Chinese (Taiwanese Mandarin, Traditional)Chinese (Wu, Simplified)Chinese (Zhongyuan Mandarin Henan, Simplified)Chinese (Zhongyuan Mandarin Shaanxi, Simplified)Croatian (Croatia)Czech (Czechia)Danish (Denmark)Dutch (Belgium)Dutch (Netherlands)English (Australia)English (Canada)English (Hong Kong SAR)English (India)English (Ireland)English (Kenya)English (New Zealand)English (Nigeria)English (Philippines)English (Singapore)English (South Africa)English (Tanzania)English (UK)English (United States)Estonian (Estonia)Filipino (Philippines)Finnish (Finland)French (Belgium)French (Canada)French (France)French (Switzerland)GalicianGeorgian (Georgia)German (Austria)German (Germany)German (Switzerland)Greek (Greece)Gujarati (India)Hebrew (Israel)Hindi (India)Hungarian (Hungary)Icelandic (Iceland)Indonesian (Indonesia)Irish (Ireland)Italian (Italy)Japanese (Japan)Javanese (Latin, Indonesia)Kannada (India)Kazakh (Kazakhstan)Khmer (Cambodia)Korean (Korea)Lao (Laos)Latvian (Latvia)Lithuanian (Lithuania)Macedonian (North Macedonia)Malay (Malaysia)Malayalam (India)Maltese (Malta)Marathi (India)Mongolian (Mongolia)Nepali (Nepal)Norwegian Bokmål (Norway)Pashto (Afghanistan)Persian (Iran)Polish (Poland)Portuguese (Brazil)Portuguese (Portugal)Romanian (Romania)Russian (Russia)Serbian (Latin, Serbia)Sinhala (Sri Lanka)Slovak (Slovakia)Slovenian (Slovenia)Somali (Somalia)Spanish (Argentina)Spanish (Bolivia)Spanish (Chile)Spanish (Colombia)Spanish (Costa Rica)Spanish (Cuba)Spanish (Dominican Republic)Spanish (Ecuador)Spanish (El Salvador)Spanish (Equatorial Guinea)Spanish (Guatemala)Spanish (Honduras)Spanish (Mexico)Spanish (Nicaragua)Spanish (Panama)Spanish (Paraguay)Spanish (Peru)Spanish (Puerto Rico)Spanish (Spain)Spanish (United States)Spanish (Uruguay)Spanish (Venezuela)Sundanese (Indonesia)Swahili (Kenya)Swahili (Tanzania)Swedish (Sweden)Tamil (India)Tamil (Malaysia)Tamil (Singapore)Tamil (Sri Lanka)Telugu (India)Thai (Thailand)Turkish (Türkiye)Ukrainian (Ukraine)Urdu (India)Urdu (Pakistan)Uzbek (Latin, Uzbekistan)Vietnamese (Vietnam)Welsh (United Kingdom)Zulu (South Africa)English - Your AccentEnglish - American Accent
Destination language for the video translation.
translate_audio_onlyoptional
Typeboolean | null
Defaultfalse
Restricts translation to the voice track, leaving faces unchanged.
speaker_numoptional
Typeinteger | null
Count of speakers present in the video.
enable_dynamic_durationoptional
Typeboolean | null
Defaulttrue
Allow duration to adjust dynamically so differences in speaking rate across languages do not disrupt conversational flow.
brand_glossary_idoptional
Typestring | null
Identifier selecting a HeyGen brand glossary to customize translations of terms.
srt_urloptional
Typestring | null
Optional custom subtitle file URL in SRT format.
srt_roleoptional
Typeenum
inputoutput
Specifies whether the supplied SRT belongs to the original video or its translation.
enable_captionoptional
Typeboolean
Defaultfalse
Controls creation of a separate SRT caption file accompanying the translated video.
required Canonical name, also accepted

File parameters take a public https:// URL, a data: URI up to 10 MB, or the file_url of an upload. Files

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "heygen/v2/translate/speed",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 500,
    "usd": "0.50",
    "charged": 500,
    "refunded": 0
  },
  "input": {
    "video_url": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4",
    "output_language": "English"
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    },
    "caption_file": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    }
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
video
object {url, content_type, file_name, file_size}Video file containing the translation.
caption_file
object {url, content_type, file_name, file_size} | nullSRT captions produced when `enable_caption` is true.

More models: Lipsync & Avatars

For AI agents: this page as Markdown is at https://doitong.com/developers/models/heygen/v2/translate/speed.md. All models and guides: https://doitong.com/developers/llms.txt