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Wintergreen x402 Content Broker — Prompts by Category
x402
Wintergreen x402 Content Broker — Prompts by Category is a paid API for AI agents from x402.wintergreen.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns payment-gated AI agent prompts, trading datasets, or market analysis filtered by a specified content category, billed at $0.05 USDC per call via the x402 protocol.
Price / call$0.01
Success—
StatusUnknown
How this service works
Payment-gated crypto trading intelligence for AI agents. ## Categories - **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels - **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration - **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly - **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis - **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating - **Trust Scoring**: x402 endpoint verification, P2D badges ## Payment All paid endpoints return HTTP 402 with USDC on Base (eip155:8453). Sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header. PayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD
Output
A collection of AI agent prompts, trading datasets, or market analysis items belonging to the specified category (and optionally filtered by pack name), returned as structured content after a $0.05 USDC x402 micropayment is processed.
Example use cases
Trading strategy prompt retrieval
“Grab me all the AI agent prompts in the 'trading' category from Wintergreen's x402 broker — I want to see what strategy prompts are available for market automation.”
Market analysis dataset access
“Fetch the market analysis content from Wintergreen x402 in the 'analysis' category so I can use it to evaluate current sector trends.”
Agent prompt pack browsing
“Pull the prompts from the 'research' category on Wintergreen x402 and filter for the 'fundamentals' pack — I want to see what's in it before building my agent workflow.”
Technical details
Endpoint
GEThttps://x402.wintergreen.uk/api/v1/prompts/category/%7Bcategory%7DWhen to prefer
Choose this endpoint when you need curated, payment-gated AI agent prompts or financial trading datasets organized by category, and you want to pay per-call with USDC via x402 micropayments rather than a subscription. It is especially suited for agents that dynamically fetch prompt packs or market datasets on demand without a long-term data subscription.
Side effects
- 402 Payment Required if the x402 payment header is missing or invalid
- Invalid or unrecognized category returns empty results or 404
- Malformed pack filter string may return no results
- Network timeout on the x402.wintergreen.uk domain
- Payment settlement failure if USDC wallet balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| pack | string |
Output
Schema · Response
{}Tags
x402
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