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Polymarket Crypto Up-or-Down Markets via 2s.io
x402
Polymarket Crypto Up-or-Down Markets via 2s.io is a paid API for AI agents from 2s.io, paid per call via x402, $0.012/call, status unknown (last checked 2026-09-15).
Returns live Polymarket prediction market events for 'Will <asset> be up or down by <time>?' series, including question text, dates, USD volume, and nested Up/Down outcome prices (implied probabilities).
Price / call$0.012
Success—
StatusUnknown
How this service works
Polymarket crypto up-or-down markets — the recurring 'Will <asset> be up or down by <time>?' series for BTC, ETH, SOL, SPX and more (hourly/daily). Each event returns its question, dates, USD volume, and the nested Up/Down markets with live outcome prices (implied probability the asset closes higher). Filter count with limit. Read-only mirror of Polymarket's up-or-down tag.
Output
A list of up-or-down prediction market events (up to `limit` items), each containing: the event question text (e.g. 'Will BTC be up or down by 1pm?'), start/end dates, total USD trading volume, and nested Up and Down outcome markets with their current live prices (representing implied probability of the asset closing higher or lower).
Example use cases
Example prompt
“Pull the latest Polymarket crypto up-or-down prediction markets — show me the top 20 events with their current Up and Down outcome prices for BTC, ETH, SOL, and SPX so I can see what the market is implying about direction.”
Technical details
Endpoint
GEThttps://2s.io/api/predict/crypto-updownWhen to prefer
Use this endpoint when you need live, market-implied directional probability for major crypto assets (BTC, ETH, SOL) or SPX, specifically sourced from Polymarket's recurring hourly/daily up-or-down series. Prefer this over general news or sentiment APIs when you want crowd-sourced, financially-staked probability estimates of price direction rather than analyst opinion or raw price data.
Side effects
- limit out of range (must be 1–100): request rejected with validation error
- Polymarket upstream unavailable: stale or empty response
- Network timeout: no response returned
- Invalid query parameter type: non-integer limit causes schema validation failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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