Ship fast. Pay fair — from $0.50/hour

Start for free and scale as you grow.

Most popular

Developer

$0.5 per/hour

For voice agents and apps of any scale

Get started

Start as low as $0.5/hour

$0.10 free credit to start – no card required
TTS Flash – $0.50/hour
TTS Pro – $1.00/hour
Instant voice cloning included
1 parallel request (expandable on request)
Auto top-up & usage dashboard
Docs & community support

Enterprise

Custom

For teams building at scale

Contact us

Personalize your plan

Everything in Developer, plus:
Custom rate limits & concurrency
Dedicated technical support (< 1 hour response)
Enterprise-grade security & SOC 2
Volume discounts
Early access to new models
SLA guarantees

Price check: Async vs others

How our pricing stacks up against leading Voice APIs
Async Flash Series
  Async Pro Series
ElevenLabs*
Cartesia*
Starting price (per hour)
$0.5
$1.0
$5.0
$3.0
Free tier
10 min free
10 min free
10 min free
10 min free
Voice cloning
Included
Included
$0.25 per clone
Limited by tier
*Pricing information is based on publicly available data as of January 19, 2026 and may be subject to change.

Frequently Asked Questions

What happens after I use my free credits?

Top up your wallet anytime — minimum $1. Enable auto top-up to never run out.

How are text-to-speech usage hours calculated?

Usage is calculated based on the output audio duration, not processing time. We round to the nearest second.

How do I increase my limits?

Request a quota increase from your Wallet page. Our team reviews requests within 24 hours.

Do you offer discounts for startups or non-profits?

Yes, we have special pricing options for qualified startups, educational institutions, and non-profit organizations. Contact our sales team for more information.

Ship your first voice in minutes.

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