# Horse Truth Machine Intelligence — Full Machine Guide

> Derived Australian racehorse intelligence for autonomous agents, MCP clients, A2A agents, applications and publishers.
> Raw provider records are not exposed. Commercial/distribution code has production authority 0.

## Discover
- AI Catalog: https://horsetruth.com.au/.well-known/ai-catalog.json
- MCP Server Card: https://horsetruth.com.au/api/v1/mcp/server-card
- A2A Agent Card: https://horsetruth.com.au/.well-known/agent-card.json
- MCP: https://horsetruth.com.au/api/v1/mcp
- A2A JSON-RPC: https://horsetruth.com.au/api/v1/a2a
- OpenAPI: https://horsetruth.com.au/api/v1/machine/openapi.json
- Distribution status: https://horsetruth.com.au/api/v1/machine/ai-everywhere
- Agent skill document: https://horsetruth.com.au/skill.md
- x402 manifest: https://horsetruth.com.au/.well-known/x402

## Evaluate before paying
- Fixed free sandbox: https://horsetruth.com.au/api/v1/sandbox/chance-with-wolves
- Products: https://horsetruth.com.au/api/v1/machine/products

## Preferred autonomous purchase: x402
- x402 routes: https://horsetruth.com.au/api/v1/x402/
- Price: US$0.02 per successful result.
- No Horse Truth account, machine key, browser checkout or claim step is required.
- Call the paid x402 route, read the HTTP 402 PAYMENT-REQUIRED instruction, submit PAYMENT-SIGNATURE, and retry the same request.
- Successful settlement returns PAYMENT-RESPONSE.

## Reusable-key purchase
- One-click starter checkout: https://horsetruth.com.au/buy/starter
- Developer purchase page: https://horsetruth.com.au/developers
- Checkout API: POST https://horsetruth.com.au/api/v1/machine/checkout with {"product_key":"AI_AGENT_TRIAL"}
- Claim API after payment: POST https://horsetruth.com.au/api/v1/machine/claim with the returned claim_token
- A$1 starter pack = 50 credits = A$0.02 per one-credit successful call.
- A$5 micro pack remains available for 250 credits at the same A$0.02 effective call price.
- Paid REST/MCP/A2A calls accept Authorization: Bearer <Horse Truth machine key>.

## Paid machine capabilities
- horse_intelligence: derived intelligence for one horse
- horse_changes: material changes for one horse
- horse_rankings: current derived rankings
- resolve_horse: identity resolution against Horse Truth profiles

## Marketplace rails
- x402: LIVE_CONFIGURED; preferred autonomous accountless payment; US$0.02 per successful result.
- Apify PPE: LIVE_PUBLIC; US$0.02 per successful result; marketplace fallback.
- Direct Stripe/API/MCP: LIVE; reusable machine-key path from A$1 for 50 credits.
- RapidAPI: backend adapter/import contract ready; public marketplace listing pending