{"uid":"cap_OstYeoxjTNMsgEhNA_ApP","slug":"medien-halowerk-com-speech-to-text-stt-22257e66","name":"medien.halowerk.com Speech-to-Text (STT)","description":"HALOWERK medienwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://medien.halowerk.com/v1/stt?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"source":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"description":"Public http(s) URL of the audio or video file."},"filename":{"type":"string","maxLength":260},"content_base64":{"type":"string","maxLength":12000000,"description":"The file inline, base64. Larger files must come by url."}},"description":"The recording. Either url or content_base64.","additionalProperties":false},"language":{"type":"string","maxLength":12,"description":"BCP-47 code such as de, en, es. \"multi\" enables multilingual recognition and is billed at the provider's higher rate. Omit to let the recogniser detect the language."},"include_words":{"type":"boolean","default":true,"description":"Return every word with its timestamp. Off returns only the text, paragraphs and utterances."},"duration_minutes":{"type":"integer","maximum":30,"minimum":1,"description":"Length of the recording in started minutes — this is what you are billed for. A longer file is refused with its real length and nothing is charged; a shorter one costs what you declared, and the answer says how much less it would have been."},"confidence_threshold":{"type":"number","default":0.7,"maximum":1,"minimum":0,"description":"Words below this confidence are listed separately as the passages worth checking."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":3,"rating":{"score":"0.97","successRate":"1.00","reviews":3,"stars":"4.9","state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"2.0000","medianCents":"4.0000","p90Cents":"6.0000","minCents":"2.0000","maxCents":"6.0000","p95Cents":"6.0000","sampleCount":39,"varies":true,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02–$0.06/call (observed)","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hmtvyT6d-2EL2jXF7U2_e","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Transcribes an audio or video file (by URL or base64) into full text with per-word timestamps, confidence scores, utterances, paragraphs, and detected language.","exampleAgentPrompt":"Can you transcribe the audio at https://example.com/meeting.mp3 and give me the full text along with word-by-word timestamps and confidence scores? I didn't specify a language, so please auto-detect it.","exampleUseCases":[{"title":"Podcast episode transcript generation","prompt":"Transcribe this podcast episode for me — the audio is at https://cdn.mypodcast.com/ep42.mp3 — I need the full transcript broken into paragraphs and each word with its start time and end time so I can add a searchable transcript to our website."},{"title":"Meeting recording with speaker turns","prompt":"I have a recorded Zoom call at https://storage.example.com/team-meeting.mp4 — can you transcribe it and give me the text with timestamps for every word so our project manager can review what was said and when?"},{"title":"Auto-detect language in foreign audio","prompt":"I have this audio file in base64 — I don't know what language it's in — can you transcribe it and tell me what language was detected and how confident the recogniser is, along with the full transcript text?"}],"resultDescription":"Returns the full transcript as plain text, a word-level array with each word's start time, end time, and confidence score, the utterances and paragraphs the recogniser identified, and (when no language was specified) the detected language with its confidence score.","failureModes":["Unreachable or invalid file URL returns an error with no transcript","Unsupported audio/video format may result in a processing failure","Very long files may time out or exceed size limits","Corrupted base64 payload causes decoding errors","Silent or near-silent audio may yield an empty or low-confidence transcript","Non-speech audio (music only) may produce garbled or empty output"],"whenToPreferThis":"Choose this endpoint when you need a detailed, word-level transcript with timestamps and confidence scores from an audio or video file — especially when you also want automatic language detection. It is particularly useful for pipelines that need structured transcript data (utterances, paragraphs) beyond a plain text dump, and it accepts both remote URLs and inline base64, making it flexible for various file sources.","instructions":null,"reviewSummary":"HALOWERK Medien delivers reliable transcription with word-level timestamps, earning perfect scores across value and reliability in all three reviews. Accuracy is consistently high, though informal speech and uncommon technical names may occasionally require manual verification against source audio. Overall sentiment is strongly positive with no reported failures.","reviewSummaryHighlights":["Word-level timestamps included in transcripts","Perfect reliability and value scores across all reviews","Consistently accurate output for standard spoken content"],"reviewSummaryConcerns":["Informal speech and technical proper nouns may need spot-checking against the original recording"],"reviewSummaryGeneratedAt":"2026-10-29T22:15:06.785Z","activationCount":39,"lastUsedAt":"2026-10-29T21:22:22.157Z","lastSuccessfullyRanAt":"2026-10-29T21:22:22.157Z","lastHealthCheckAt":"2026-10-30T21:21:00.082Z","isFirstParty":false,"canonicalSlug":"medien-halowerk-com-speech-to-text-stt-22257e66"}