API REFERENCE

Audio

Tekst-naar-spraak, spraak-naar-tekst, muziek, geluidseffecten, stemverandering, nasynchronisatie en stemklonen: één API-sleutel, elke provider.

Endpoints in this section: /v1/audio/speech, /music, /sound-effects, /transcriptions, /audio-isolation, /voice-changer, /dubbing, /voices, plus /v1/voices/* for cloning.

Tekst-naar-spraak

Synthetiseer spraak uit tekst. Retourneert onbewerkte audiobytes met het overeenkomende inhoudstype (bijvoorbeeld audio/mpeg). PCM- en µ-law-formaten bevatten een WAV-header, zodat ze in elke browser kunnen worden afgespeeld.

POSThttps://api.airforce/v1/audio/speech

TTS-modellen

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Parameter	Type	Required	Description
model	string	Required	TTS model ID. See /v1/models for IDs with input_modalities containing "text" and output_modalities containing "audio".
input	string	Required	Text to synthesise. Long inputs are chunked automatically.
voice	string	Required	Voice ID. Use GET /v1/audio/voices to list options. Cloned voices appear here too.
response_format	string	Optional	"mp3" (default), "mp3_44100_128", "mp3_44100_192", "pcm_22050", "pcm_24000", "pcm_44100", "ulaw_8000".
speed	float	Optional	0.25 – 4.0. OpenAI-compatible. Some upstream providers ignore this.
voice_settings	object	Optional	ElevenLabs-shape: { stability: 0–1, similarity_boost: 0–1, style: 0–1, use_speaker_boost: bool }.
language_code	string	Optional	ISO-639-1 hint, e.g. "de", "en", "ja". Improves prosody for multilingual models.
seed	integer	Optional	Reproducibility seed where supported.

Voorbeeld

curl https://api.airforce/v1/audio/speech \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --output speech.mp3 \
  -d '{
    "model": "elevenlabs-multilingual-v2",
    "input": "Willkommen bei Airforce.",
    "voice": "21m00Tcm4TlvDq8ikWAM",
    "response_format": "mp3_44100_128",
    "voice_settings": {"stability": 0.6, "similarity_boost": 0.8}
  }'

Maak een lijst van stemmen

Retourneert elke stem die u kunt doorgeven als de parameter 'stem' bij TTS-/voice-over-/audioboekoproepen. Gekloonde stemmen worden hier ook teruggestuurd zodra hun status actief is.

GEThttps://api.airforce/v1/audio/voices

curl https://api.airforce/v1/audio/voices \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY"

Antwoord-structuur

Parameter	Type	Required	Description
voices[]	array	Optional	List of voice descriptors.
voices[].id	string	Optional	Provider-native voice identifier. Pass this as "voice".
voices[].name	string	Optional	Human-readable name.
voices[].category	string	Optional	"premade" \| "cloned" \| "professional".
voices[].preview_url	string	Optional	Short audio sample, when the upstream exposes one.
voices[].labels	object	Optional	Free-form metadata: gender, language, accent, age, use case.

Muziek generatie

Genereer volledige muziektracks via een tekstprompt. Retourneert binaire audio.

POSThttps://api.airforce/v1/audio/music

Parameter	Type	Required	Description
model	string	Required	Music model ID, e.g. "music-v1".
prompt	string	Required	Style / mood / structure description.
duration_seconds	integer	Optional	Track length. Range depends on the model (typically 15–120 s).
response_format	string	Optional	"mp3" (default) or provider-native.
instrumental	boolean	Optional	When true, suppresses vocals.
style	string	Optional	Optional genre tag list, e.g. "EDM, bass, dark".

curl https://api.airforce/v1/audio/music \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --output track.mp3 \
  -d '{
    "model": "music-v1",
    "prompt": "Lofi hip-hop beat with soft piano and rain",
    "duration_seconds": 60,
    "instrumental": true
  }'

Geluidseffecten

Korte SFX vanaf een tekstprompt. Dezelfde vorm als muziek, alleen een kortere duur.

POSThttps://api.airforce/v1/audio/sound-effects

Parameter	Type	Required	Description
model	string	Required	SFX model ID.
prompt	string	Required	Effect description, e.g. "thunder rumble fading into rain".
duration_seconds	integer	Optional	Length, typically 0.5–22 s.
response_format	string	Optional	"mp3" (default).

curl https://api.airforce/v1/audio/sound-effects \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --output thunder.mp3 \
  -d '{
    "model": "sfx-v1",
    "prompt": "Distant thunder rolling, then rain",
    "duration_seconds": 8
  }'

Transcripties (spraak-naar-tekst)

Meerdelige upload van een audiobestand. Retourneert de getranscribeerde tekst.

POSThttps://api.airforce/v1/audio/transcriptions

Transcriptiemodellen

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Parameter	Type	Required	Description
model	string	Required	Transcription model ID, e.g. "whisper-1".
file	binary	Required	Audio file. Supports mp3, wav, m4a, flac, ogg, webm.
language	string	Optional	ISO-639-1 language hint.
prompt	string	Optional	Optional bias prompt to steer vocabulary (jargon, names).
response_format	string	Optional	"json" (default), "text", "srt", "vtt", "verbose_json".
temperature	float	Optional	0–1. Higher allows more creative interpretation of unclear audio.

curl https://api.airforce/v1/audio/transcriptions \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -F "[email protected]" \
  -F "model=whisper-1" \
  -F "language=de" \
  -F "response_format=verbose_json"

Response (verbose_json)

{
  "text": "Willkommen zum Meeting...",
  "language": "de",
  "duration": 412.5,
  "segments": [
    {"id": 0, "start": 0.0, "end": 4.2, "text": "Willkommen zum Meeting", "speaker": "S1"},
    {"id": 1, "start": 4.2, "end": 9.8, "text": "...", "speaker": "S2"}
  ]
}

Audio-isolatie

Verwijder achtergrondgeluiden uit een clip terwijl de voorgrondstem behouden blijft. Uploaden uit meerdere delen, retourneert audio.

POSThttps://api.airforce/v1/audio/audio-isolation

Parameter	Type	Required	Description
model	string	Required	Isolation model ID.
file	binary	Required	Input audio.

curl https://api.airforce/v1/audio/audio-isolation \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -F "model=isolation-v1" \
  -F "[email protected]" \
  --output clean.mp3

Stemwisselaar (spraak-naar-spraak)

Neem invoerspraak en geef deze opnieuw weer met een andere stem, waarbij de timing en verbuiging behouden blijven.

POSThttps://api.airforce/v1/audio/voice-changer

Parameter	Type	Required	Description
model	string	Required	Voice-change model ID.
voice	string	Required	Target voice ID. Same catalog as TTS.
file	binary	Required	Input audio.
voice_settings	object	Optional	Optional ElevenLabs-shape settings (stability, similarity_boost, …).

curl https://api.airforce/v1/audio/voice-changer \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -F "model=voice-changer-v1" \
  -F "voice=21m00Tcm4TlvDq8ikWAM" \
  -F "[email protected]" \
  --output transformed.mp3

Nasynchronisatie

Asynchrone nasynchronisatie in meerdere talen. Retourneert onmiddellijk een taak-ID; peilen naar de status en ophalen van de nagesynchroniseerde audio per doeltaal.

1. Create job

POSThttps://api.airforce/v1/audio/dubbing

Parameter	Type	Required	Description
model	string	Required	Dubbing model ID.
file	binary	Required	Source audio (mp3, wav, m4a, mp4 video extracted automatically).
target_lang	string	Required	Target language code, ISO-639-1. Pass multiple via repeated form fields for multi-language output.
source_lang	string	Optional	Source language. Auto-detected when omitted.
num_speakers	integer	Optional	Hint for diarization. Auto when omitted.
watermark	boolean	Optional	Add an audible watermark to the output.

curl https://api.airforce/v1/audio/dubbing \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -F "model=dubbing-v1" \
  -F "[email protected]" \
  -F "target_lang=de" \
  -F "target_lang=es" \
  -F "source_lang=en"

{
  "task_id": "dub_01HXY...",
  "status": "queued"
}

2. Poll status

GEThttps://api.airforce/v1/audio/dubbing/:task_id

{
  "task_id": "dub_01HXY...",
  "status": "completed",
  "progress": 100,
  "available_languages": ["de", "es"]
}

3. Download per language

GEThttps://api.airforce/v1/audio/dubbing/:task_id/audio/:lang

curl https://api.airforce/v1/audio/dubbing/dub_01HXY.../audio/de \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  --output german.mp3

Stemklonen

Kloon een stem uit korte audiofragmenten en hergebruik deze op elk spraakeindpunt. Voor het klonen van stemmen is expliciete toestemming vereist. Haal de huidige toestemmingstekst op, hash deze en verzend de hash met uw voorbeelden.

1. Fetch consent text

GEThttps://api.airforce/v1/voices/consent-text

{
  "text": "I confirm that the voice samples I am uploading are either my own voice or a voice I have explicit permission to clone…",
  "hash": "9f4b0c8d2e…"
}

2. Create the clone

POSThttps://api.airforce/v1/voices/clone

Parameter	Type	Required	Description
name	string	Required	Public voice name shown in the library.
description	string	Optional	Optional free-text description.
consent_hash	string	Required	SHA-256 of the consent paragraph. Fetch the current text via GET /v1/voices/consent-text and pass its hash field.
files	binary	Required	1–25 audio samples. Repeat the form field per file. Total ≤ 200 MB. 30 s – 3 min per clip works best.

curl https://api.airforce/v1/voices/clone \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY" \
  -F "name=My voice" \
  -F "description=Calm, conversational" \
  -F "consent_hash=9f4b0c8d2e..." \
  -F "[email protected]" \
  -F "[email protected]"

{
  "provider_voice_id": "voice_01HXY...",
  "name": "My voice",
  "description": "Calm, conversational",
  "created_at": "2026-05-06T22:30:00Z",
  "status": "active",
  "provider": "elevenlabs"
}

3. List your library

GEThttps://api.airforce/v1/voices/library

curl https://api.airforce/v1/voices/library \
  -H "Authorization: Bearer sk-air-YOUR_API_KEY"

Parameter	Type	Required	Description
voices[].provider_voice_id	string	Optional	Pass as "voice" on TTS / voice-changer endpoints.
voices[].status	string	Optional	"active" \| "errored" \| "deleting".
voices[].provider	string	Optional	Upstream that hosts the clone.
voices[].last_error	string	Optional	Set when status is "errored".

4. Update / delete

PATCHhttps://api.airforce/v1/voices/clone/:id

DELETEhttps://api.airforce/v1/voices/clone/:id

PATCH accepts name and description in a JSON body. DELETE removes the voice both locally and at the upstream provider.

Opmerkingen

Audio responses are returned as raw bytes with the right Content-Type. PCM / µ-law formats are wrapped in a minimal WAV header so they're browser-playable as-is.
Multipart endpoints (transcriptions, isolation, voice-changer, dubbing, cloning) accept up to 200 MB per request.
Voice IDs work across providers: a cloned ElevenLabs voice can be passed straight to /v1/audio/voice-changer.
Cost is metered per character (TTS), per second (music / SFX / dubbing / changer), or per audio minute (transcription). Check X-Cost-Cents on the response.