{"uid":"cap_a6Lai802DVL2eFllvPNz5","slug":"halowerk-speech-coach-a3571d80","name":"HALOWERK Speech Coach","description":"Takes a recording of a talk, pitch, lesson or rehearsal of up to 30 minutes and returns delivery metrics computed from word timestamps: words per minute overall and for every minute, filler words (uh, um, äh, ähm) and hedge words (basically, actually, eigentlich, sozusagen) per minute with their most frequent forms, pauses over one second with position, average and longest sentences, and phrases of three or more words that recur.","url":"https://medien.halowerk.com/v1/speech-coach?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 file."},"filename":{"type":"string","maxLength":260},"content_base64":{"type":"string","maxLength":12000000,"description":"The file inline, base64. Larger files by url."}},"description":"The recording. Either url or content_base64.","additionalProperties":false},"language":{"type":"string","maxLength":12,"description":"Spoken language (BCP-47). Omit to detect."},"skip_tips":{"type":"boolean","default":false},"duration_minutes":{"type":"integer","maximum":30,"minimum":1,"description":"Length in started minutes — this is what you are billed for."},"feedback_language":{"enum":["de","en","es","fr","it","nl","pt","pl","tr","sv","da","cs","ru","uk","ja","zh","ko","ar"],"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MUyjfaV6UyjWL1g2LIKaE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes an audio recording of a talk or pitch and returns detailed delivery metrics including speaking rate, filler/hedge words, pauses, sentence length, and recurring phrases.","exampleAgentPrompt":"Analyze this 12-minute pitch recording for me — I want to know my words per minute, how often I say 'uh', 'um', or 'basically', any pauses longer than a second, and phrases I repeat too much. The audio is at https://my-recordings.example.com/pitch-v3.mp3 and I'd like the feedback in English.","exampleUseCases":[{"title":"Startup pitch rehearsal feedback","prompt":"I just recorded a 15-minute run-through of my startup pitch — can you analyze it for filler words, speaking pace per minute, and any phrases I keep repeating? The file is at https://drive.example.com/pitch-rehearsal.mp3 and I want the feedback in English."},{"title":"University lecture delivery review","prompt":"I recorded a 25-minute lecture in German — can you check how fast I'm speaking, how often I use hedge words like 'eigentlich' or 'sozusagen', and flag any pauses over a second? Here's the URL: https://uni-recordings.example.com/vorlesung7.mp3. Please give me the report in German."},{"title":"Sales presentation coaching","prompt":"Here's a base64 of my 8-minute sales demo recording — I want to see my words-per-minute breakdown, filler word counts, my longest sentences, and any phrases I repeat more than twice. Feedback in Spanish please, and bill me for 8 minutes."}],"resultDescription":"Returns a structured report with: overall and per-minute words-per-minute rate, filler word (uh, um, äh, ähm) and hedge word (basically, actually, eigentlich, sozusagen) counts per minute with their most frequent forms, a list of pauses exceeding one second with their positions in the recording, average and longest sentence lengths, and a list of three-or-more-word phrases that recur across the talk. Optionally includes coaching tips.","failureModes":["Audio file exceeds 30-minute duration limit — billing and processing rejected","Invalid or inaccessible URL for the audio source — returns fetch error","base64 payload too large — use URL instead for files over ~9MB","Unsupported audio format — transcription fails","duration_minutes mismatch causes incorrect billing","Language detection fails for unclear or multilingual audio","Payment of 0.025 USDC not fulfilled — x402 payment required error"],"whenToPreferThis":"Choose this endpoint when you need quantitative, timestamped delivery metrics for a spoken recording — especially filler/hedge word counts, per-minute pacing, and pause detection. It is ideal for coaching workflows, rehearsal feedback loops, or pre-presentation self-assessment. Prefer it over generic transcription services when the goal is behavioral speech analytics rather than just a transcript.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:06.419Z","isFirstParty":false,"canonicalSlug":"halowerk-speech-coach-a3571d80"}