API REFERENCE

Audio

Text-zu-Sprache, Sprache-zu-Text, Musik, Sound-Effekte, Voice-Changer, Dubbing und Voice-Cloning — ein API-Key, alle Provider.

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

Text-zu-Sprache

Synthetisiere Sprache aus Text. Liefert rohe Audio-Bytes mit dem passenden Content-Type (z.B. audio/mpeg). PCM- und µ-Law-Formate enthalten einen WAV-Header damit sie in jedem Browser abspielbar sind.

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

TTS-Modelle

…· live

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.

Beispiel

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}
  }'

Stimmen auflisten

Gibt jede Stimme zurück die du als "voice"-Parameter bei TTS / Voice-Over / Hörbuch übergeben kannst. Geklonte Stimmen erscheinen hier ebenfalls sobald ihr Status active ist.

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

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

Antwort-Struktur

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.

Musik-Generierung

Generiert komplette Musik-Tracks aus einem Text-Prompt. Liefert Binär-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
  }'

Sound-Effekte

Kurze SFX aus einem Text-Prompt. Gleiche Form wie Musik, nur mit kürzeren Längen.

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
  }'

Transkriptionen (Sprache-zu-Text)

Multipart-Upload einer Audio-Datei. Liefert den transkribierten Text.

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

Transkriptions-Modelle

…· live

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-Isolation

Entfernt Hintergrund-Geräusche aus einem Clip und behält die Vordergrund-Stimme. Multipart-Upload, liefert 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

Voice-Changer (Sprache-zu-Sprache)

Nimmt Eingabe-Sprache und rendert sie in einer anderen Stimme neu, behält dabei Timing und Betonung.

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

Dubbing

Async Multi-Sprach-Dubbing. Liefert sofort eine Task-ID; pol für den Status, dann die gedubbte Audio pro Zielsprache abholen.

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

Voice-Cloning

Klone eine Stimme aus kurzen Audio-Samples und nutze sie auf jedem Speech-Endpoint. Voice-Cloning erfordert explizite Einwilligung — hol den aktuellen Consent-Text, hashe ihn und übergib den Hash zusammen mit deinen Samples.

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.

Hinweise

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.