Synthesis

Pricing

Start for free, scale as you grow. All plans include access to market data across Polymarket and Kalshi.

Free

$0forever

For testing and personal projects

  • 100 requests/minute
Get Started
Most Popular

Pro

$49/month

For developers and active traders

  • Everything in Free
  • 1,000 requests/minute
Start Pro

Enterprise

Custom

For platforms and high-volume integrators

  • Everything in Pro
  • Unlimited requests
  • Custom rate limits
  • Dedicated support
  • Custom integrations
Contact Sales

Rate limits

EndpointFreeProEnterprise
Public market data100/min1,000/minUnlimited
Authenticated endpoints50/min500/minCustom
Order placement100/minCustom
WebSocket connections550Unlimited
Batch requests10 items100 items500 items

Need a custom plan?

Contact us for custom rate limits, SLAs, and dedicated support.

Contact Sales