# Catalyst Desk

> Live prediction-market (Polymarket) intelligence for AI agents. Pay-per-call over x402, USDC on Base. No API key, no signup.
> Not financial advice. Education/data compilation only. No custody.

## Free
- GET https://catalyst-desk.catalystdesk.workers.dev/v1/pulse — top 5 markets by 24h volume
- GET https://catalyst-desk.catalystdesk.workers.dev/health — status (settlement_live, facilitator)

## Paid (x402 exact, USDC on Base mainnet, eip155:8453)
- GET https://catalyst-desk.catalystdesk.workers.dev/v1/movers — 0.02 USDC — top 15 markets: price, 1w change, liquidity, end date
- GET https://catalyst-desk.catalystdesk.workers.dev/v1/brief — 0.10 USDC — daily brief: top volume, biggest 1w repricings, resolving <72h, notes
- Unpaid request returns HTTP 402 with x402 v1 JSON body (accepts[]) and v2 PAYMENT-REQUIRED header.
- Retry with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2). Settled via public facilitator; response carries X-PAYMENT-RESPONSE/PAYMENT-RESPONSE with tx hash.
- payTo: 0x87e322e8829a915b44708e7bb0a0c377055b4281
- Example: npx @x402/fetch style clients, or x402-fetch wrapFetchWithPayment(fetch, walletClient).

## Docs
- OpenAPI: https://catalyst-desk.catalystdesk.workers.dev/openapi.json

## Humans
- https://www.indiehackers.com/product/catalyst-desk
- Listed on AgentBets: https://agentbets.ai/

Not financial advice. Education/data compilation only. No custody.