ETH > $4k in May?88¢+2.4%
Fed cuts rates in June?32¢-1.1%
SpaceX Mars landing '29?14¢+0.8%
US Election '24 Winner?52¢0.0%
AI passes Turing test '25?76¢+4.2%
BTC > $100k in 2024?64¢-0.5%
Apple AR glasses '25?41¢+1.9%
ETH > $4k in May?88¢+2.4%
Fed cuts rates in June?32¢-1.1%
SpaceX Mars landing '29?14¢+0.8%
US Election '24 Winner?52¢0.0%
AI passes Turing test '25?76¢+4.2%
BTC > $100k in 2024?64¢-0.5%
Apple AR glasses '25?41¢+1.9%
Probable
HomeProductMarketsWatchlistDocsDashboardAbout
Sign inGet API keys
CHANGELOG

Platform Updates

Follow the releases, fixes, and improvements on Probable Rails.

July 18, 2026
RELEASED

TypeScript SDK client & Live Webhooks

We just launched `@probable/sdk` to speed up integration pipelines, alongside a live developer webhook logs visualizer in the dashboard.

Released npm workspace library `@probable/sdk` containing typed query models.
Added Live Status monitoring trackers under `/status`.
Exposed dynamic platform fee calculations pulling pricing structures directly from the backend config routes.
CODE SNIPPET
import { ProbableClient } from "@probable/sdk";

const sdk = new ProbableClient({
  apiKey: "sk_live_prod_52x19c3"
});

// Stream, trade, score. Done.
const market = await sdk.markets.create({
  question: "Will ETH gas stay below 10 gwei?",
  closes: "2026-08-31T23:59:59Z"
});
June 24, 2026
STABILITY

Polymarket CLOB Sync & EIP-712 gas sponsorships

Full orderbook sync with clob.polymarket.com on Polygon network (`chainId: 137`). Users can place gasless limit trades using paymaster sponsors.

Created gasless signature routers using pimlico/biconomy wallets integrations.
Synchronized live bids/asks lists arrays directly from Polymarket CLOB endpoints.
Added fallback local queue pools utilizing BullMQ queues to handle spikes.
CODE SNIPPET
// Polymarket EIP-712 transaction signature generator
const signature = await polymarket.signOrder({
  price: 0.52,
  amount: 250,
  side: "BUY"
});
May 10, 2026
INIT

Hono Event Engine & AI Oracle Gating

Initial public launch of the Probable Prediction Market routing rails. Setup core Prisma ORM engines and Gemini-powered auto market resolvers.

Setup REST API routes inside Hono Node Server.
Mapped event question parsing utilizing direct calls to Gemini 2.5 Flash APIs.
Initialized SQLite db for zero-dependency local setups.
CODE SNIPPET
// AI Oracle evaluation
const outcome = await gemini.evaluateMarket(
  "Will BTC hit $150k?"
);