{"access":{"authentication":{"format":"L402 {macaroon}:{proof_of_payment}","header":"Authorization","protocols":["L402","MPP"],"format_mpp":"Payment <base64url_json>"},"endpoint":"https://sats4ai.com/api/l402/transcribe-translate","method":"POST"},"content_type":"api","description":"Compound endpoint: audio → transcript → translation, one payment. Transcribes the audio (auto-detects source language across 13 STT-supported languages) then translates to any of 119 target languages. Perfect for WhatsApp voice messages in a language you do not speak, or recording a meeting in another language and reading it in yours.\n\nAsync: returns jobId. Poll /api/l402/job-status?requestId={jobId}&jobType=transcribe-translate until status=COMPLETED.\n\nParameters (JSON):\n```\n{\n    \"file\": \"base64-encoded-audio\",\n    \"targetLanguage\": \"English\",\n    \"sourceLanguage\": \"Yoruba\",  // optional, auto-detected if omitted\n    \"names\": [\"Siobhan\", \"Tadhg\"]  // optional: the people and places spoken; it helps the speech model spell them right, free\n}\n```\n\nResult shape: { transcript, translation, sourceLanguage, targetLanguage, translated }\n\nMax file: 500 MB. Formats: mp3, wav, flac, ogg, m4a.\nPricing: STT per minute + a translation leg priced by the target language (the language picks the engine; min 5 sats) + 15% compound margin. GET /api/languages lists each language's engine and rate. Pay with Bitcoin Lightning — no API key or signup.","name":"Transcribe + Translate","supported_target_languages":["Afrikaans","Albanian","Amharic","Arabic","Armenian","Assamese","Azerbaijani","Basque","Belarusian","Bengali","Bosnian","Bulgarian","Burmese","Catalan","Cebuano","Chichewa","Chinese (Simplified)","Chinese (Traditional)","Corsican","Croatian","Czech","Danish","Dari","Dutch","English","Esperanto","Estonian","Farsi","Fijian","Filipino","Finnish","French","Frisian","Galician","Georgian","German","Greek","Guarani","Gujarati","Haitian Creole","Hausa","Hawaiian","Hebrew","Hindi","Hmong","Hungarian","Icelandic","Igbo","Indonesian","Irish","Italian","Japanese","Javanese","Kannada","Kazakh","Khmer","Kinyarwanda","Korean","Kurdish","Kyrgyz","Lao","Latvian","Lingala","Lithuanian","Luganda","Luxembourgish","Macedonian","Malagasy","Malay","Malayalam","Maltese","Maori","Marathi","Mongolian","Nepali","Norwegian","Occitan","Odia","Pashto","Polish","Portuguese","Punjabi","Romanian","Romansh","Russian","Samoan","Scots Gaelic","Serbian","Sesotho","Setswana","Shona","Sindhi","Sinhala","Slovak","Slovenian","Somali","Spanish","Sundanese","Swahili","Swedish","Tajik","Tamil","Tatar","Telugu","Thai","Tigrinya","Tongan","Turkish","Turkmen","Ukrainian","Urdu","Uzbek","Vietnamese","Welsh","Wolof","Xhosa","Yiddish","Yoruba","Zulu"],"supported_source_languages":["en","zh","hi","es","ar","fr","pt","ru","de","ja","ko","it","nl","auto-detect"]}