OddsPipe
AddedOddsPipe is a prediction-market data API for comparing matched events across Polymarket and Kalshi. It provides normalized market data, match-confidence scores and spread analysis, with a Python client for research and integration workflows.
DOCUMENTATION CHECKED · 2026-09-29
Who OddsPipe is for
Building a comparison dashboard without maintaining all venue adapters yourself.
- Supported venues
- polymarket, kalshi (international; US support not implied)
- Interface
- api
- Pricing and access
- Advertised plans: Free, Build $49/month, Launch $99/month, Scale $299/month. Usage allowances differ; verify before buying.
Limitations to consider
- Matched questions may have different resolution rules or deadlines.
- Apparent spreads exclude execution risk, fees and available depth.
Evidence
Based on public product information. This is not a paid-product test, latency benchmark or performance rating. How we select and check tools.
Features
Polymarket and Kalshi coverageMatched markets with confidence scoresPython SDK
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