LiveData & Developer Tools

Assymetrix Data API

Query normalized prediction-market data through one API.

01 · Overview

What is Assymetrix Data API?

Assymetrix provides REST and WebSocket data, history, market discovery, and wallet analytics across several prediction venues. Best for: Developers building cross-venue research, monitoring, and data products. Less suitable for: Users looking for a consumer trading terminal or guaranteed data completeness. Key limitations: Coverage, rate limits, retention, and premium endpoints vary by plan; validate venue-specific schemas before production use.

APIHistorical DataMarket AnalyticsSDK

02 · Best for

Who is Assymetrix Data API best for?

Best for

Developers building cross-venue research, monitoring, and data products.

Not ideal for

Users looking for a consumer trading terminal or guaranteed data completeness.

Limitations

Coverage, rate limits, retention, and premium endpoints vary by plan; validate venue-specific schemas before production use.

03 · Access & execution

How do access and execution work?

Pricing modelFreemium
Free planYes
Wallet requiredNo
Trade executionNone
AccessLevel 3
Product statusLive
KalshiLimitlessPolymarketPredict.fun

04 · Sources & verification

How was Assymetrix Data API verified?

Verified · Aug 24, 2026

Detailed catalog review passed on 2026-08-25. Current availability, scope, official-source coverage, taxonomy, bilingual copy, commercial facts, permissions, execution behavior, and risk framing were checked. Any unconfirmed facts are recorded separately as editorial uncertainty.