Stablevoice
Stablevoice generates speech from text using multiple voice models with per-request micropayment billing.
Trust signal
4 of 4 pillars
coverage 100%
Pillars
Signals
Evidence tiers, not an endorsement · trust model v0.1.0 (provisional) · CDP-lane settlement only (D3) · Trust API coming soon
On-chain traction
ERC-8004 agent registry
Not found in the ERC-8004 agent registry. This is the default state — absence is not a negative signal.
Identity & classification
Settlement volume
USDC settled on-chain · monthly
as of Jul 12, 2026
Endpoints(6)
Mint a browser recording URL for a StableUpload slot. The recordee speaks optional suggestedText; StableVoice transcodes the audio to MP3 and uploads it to the slot. Use the slot publicUrl as /api/speech referenceAudioUrl. Pass uploadUrlExpiresAt as expiresAt so the recording URL cannot outlive the upload.
List StableVoice jobs for the authenticated wallet
Get a StableVoice job status by ID
List static StableVoice MP3 previews for every bundled voice. Use this before choosing a bundled voice for /api/speech.
SIWX StableVoice model and voice catalog. Every voice in `voiceGuide` leads with an accent/ethnicity tag (Indian, Australian, Slavic, Black, Latina, American, older country, etc.) and a one-line casting cue, so an agent can match a voice to a character's identity rather than only to a use case.