api.leanvoice.ai/v1
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Audio generated
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Credentials
API keys
Keys authenticate requests to the synthesis API. The secret is shown once at creation — store it safely.
Live keys · 3
| Name | Key | Scopes | Last used | Created | Status | |
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Analytics
Usage
Metering reconciles to your billing ledger.
Requests this month
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Audio generated
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Free tier left
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Characters · last 30 days
Requests · last 30 days
Billing
Billing & usage
Pay only for what you synthesize. No minimums, no seats.
Current plan
——/ 1,000 characters
First characters each month are free, then usage-based pricing.
Rate limit
—Concurrency
—Overage
—This cycle
——estimated
Invoices & payments
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You're on usage-based pricing at $3 / 1M characters. Invoices and payment methods will appear here once billing is turned on.
Studio
Playground
Try any voice, then copy the exact request as code. Counts against your test key.
Text · 143 / 50,000
0:08
POST /v1/synthesize
{ "text": "Thanks for calling…", "voice": "meera", "steps": 8 }
Voice
M
Meera
Warm · conversational
A
Arjun
Authoritative baritone
A
Anaya
Gentle · lyrical
Quality (steps)8
Speed1.05×
Organization
Team & settings
Roles control who can manage keys, billing, and members.
Members
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Team management coming soon — invite teammates and assign roles.
Organization
Name
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Org ID
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Plan
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