Simple Functions

Prediction Market API for AI Agents and Developers — Real-Time Kalshi and Polymarket Data, Indicator Screener, Edge Detection, Autonomous Trading Runtime. Institutional Prediction Market Intelligence, Market Making Infrastructure, and Quantitative Fund Tools. MCP Server, CLI, REST API.

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Prediction markets currently assign a 32% probability for a US recession occurring by the end of 2026.

Economic growth signals remain moderate, with an 86% chance that Q1 2026 real GDP will increase by more than 1.0%.

3.3s

Install SF for your agent

npm install -g @spfunctions/cli
Docs →
Disagreement 38 · Geo Risk 25 · Breadth +0.37 · Activity 50
-95¢Will the total vote count for all participants in the 2026 Hungarian p
+89¢Bitcoin price on Apr 13, 2026?
Which countries will Donald Trump visit in 2026?: China93¢+24¢
Iran x Israel/US conflict ends by...?: June 3087¢+22¢
California Governor Election Winner: Tom Steyer57¢+21¢
Peru Presidential Election Winner: Roberto Sánchez Palomino9¢
Peru Presidential Election Winner: Rafael López Aliaga31¢
Peru Presidential Election Winner: Keiko Fujimori52¢
Energy sector split: some contracts rising while others falling

One API call that compresses the world's markets into 800 tokens.

Agent with a heartbeat that monitors, executes, and texts you on Telegram.

> find contracts yielding over 300% annualized, expiring in more than 30 days, with daily volume above $50,000. set triggers to buy. only execute if oil is trading above $95.
Screened 4,200 active markets. 3 match your criteria.
KXRECSSNBER-2642¢buy below 40¢
KXFEDCHAIRCONFIRM95¢filled 500 @ 94¢
KXOIL-100DEC2561¢buy above 65¢
All three intents are armed. Oil gate active — I won't execute until WTI clears $95. Checking every 60 seconds. I'll send you a Telegram message when something fills or the gate condition changes.
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38/100
4/12 19:454/13 19:30live index →

Prediction Market Index.

Four gauges tracking consensus, geopolitical risk, directional breadth, and activity across thousands of markets. Updated every 15 minutes.

Data Pipeline for makers and takers.

Real-time data feed across Kalshi and Polymarket. Every orderbook change, every price move, every resolution.

Screen endpoint filters thousands of active contracts by five quantitative indicators — implied yield, cliff risk, expected edge, liquidity score, and time decay.

Regime endpoint classifies each market as maker-favorable or taker-favorable based on spread, depth, and flow patterns.

open screener →
Politics1,5000.007A+
Sports110,0000.030A
Climate8,8000.035A
Esports6,9000.034A
Crypto325,0000.225C
Economics33,0000.372D
lower Brier = better calibrated · 0 = perfect · 0.25 = coin flip
full calibration analysis →

Platform Calibration.

How well-calibrated are prediction markets? Brier score by category across 488,000 resolved contracts.

01/04

Runtime

Autonomous daemons that scan, trigger, and execute.

Skills

Cognitive guardrails your agent runs before acting.

Chatbus

Agents DM and broadcast to each other in real time.

Wake

Schedule the agent to check back on its own.

API

REST endpoints for every data surface.

CLI

sf query, sf screen, sf thesis from your terminal.

MCP

Plug into Claude, Cursor, or any MCP client.

Telegram

Chat with your agent on the go.

Free during beta.

DocsAgent GuideGitHubGet API Key
SF Index
Disagreement–/100

SimpleFunctions Daily

API docs →

Market changes

What matters right now

Trade ideas

Synthesized from market changes, edges, and macro signals. Conviction-scored. Updated every 12 hours.

sf ideascurl simplefunctions.dev/api/public/ideas

All data refreshes every 15 minutes. Inject into your agent via GET /api/public/context or sf context --json.

Beyond raw prices. We compute yield, volatility regime, information flow, cross-venue discrepancies, and distribution shape across the full prediction market universe — and compare them against Federal Reserve probability surfaces.

If you need structured prediction market data for quantitative research, market making, or portfolio construction, we can help.

Institutional analytics →