# Services from paddock.finance on Zero

> paddock.finance serves 9 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/paddock.finance
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/paddock.finance/health.json

## Services

- [Paddock Best-Value API Rankings](https://www.zero.xyz/c/paddock-best-value-api-rankings-bc36f6f0/llms.txt): $0.02/call via x402. Returns a ranked list of best-value API providers for a given category, scored by transaction volume, pricing, liveness, and success rate
- [Paddock Market Gaps API](https://www.zero.xyz/c/paddock-market-gaps-api-c1975012/llms.txt): $0.01/call via x402. Returns ranked AI agent commerce categories with opportunity scores, provider concentration, and transaction volume to identify underserved market gaps
- [Paddock Provider Revenue API](https://www.zero.xyz/c/paddock-provider-revenue-api-be01632c/llms.txt): $0.99/call via x402. Returns ranked AI agent commerce revenue data by provider domain over a configurable time window, showing transaction counts, USD revenue, and unique buyer counts.
- [Paddock AI Agent Commerce Changes Feed](https://www.zero.xyz/c/paddock-ai-agent-commerce-changes-feed-58da6e9c/llms.txt): $0.1/call via x402. Returns a changelog of AI agent payment market movements since a given date, including top movers, new services, retired services, and category shifts.
- [Paddock API Domain Liveness Check](https://www.zero.xyz/c/paddock-api-domain-liveness-check-5d7bf448/llms.txt): $0.001/call via x402. Returns real-time liveness, latency, and reliability metrics for a given API domain tracked by Paddock's AI agent commerce data layer
- [Paddock Whale Activity API](https://www.zero.xyz/c/paddock-whale-activity-api-d6df6f89/llms.txt): $0.99/call via x402. Returns aggregated data on large-volume AI agent payment activity, broken down by size band, category, and facilitator over a configurable time window.
- [Paddock Circular Signal — AI Agent Commerce Self-Funding Detection](https://www.zero.xyz/c/paddock-circular-signal-ai-agent-commerce-self-funding-detection-370d7c03/llms.txt): $0.99/call via x402. Returns facilitator-level data detecting circular/self-funding payment patterns in AI agent commerce, including cluster volume, self-funding percentage, and flagged share of listed endpoints.
- [Paddock Token Metrics API](https://www.zero.xyz/c/paddock-token-metrics-api-9c4e4e29/llms.txt): $0.01/call via x402. Returns time-series metrics about AI agent commerce activity, including daily transaction counts, spend share, category concentration, and market health indicators.
- [Paddock State of Agent Commerce Report Data](https://www.zero.xyz/c/paddock-state-of-agent-commerce-report-data-53c8aace/llms.txt): $0.99/call via x402. Returns the full structured JSON dataset from the State of Agent Commerce report, covering what AI agents are paying for and market concentration data

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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