# Services from api.businesschanges.dev on Zero

> api.businesschanges.dev serves 4 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/api.businesschanges.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.businesschanges.dev/health.json

## Services

- [Business Change Intelligence API – Event Search](https://www.zero.xyz/c/business-change-intelligence-api-event-search-322807d9/llms.txt): $0.1/call via x402. Search for businesses or locations with recent regulatory, operational, or ownership-change signals using intent filters, geography, and industry to surface sales leads and market intelligence.
- [Business Change Intelligence Delta Feed API](https://www.zero.xyz/c/business-change-intelligence-delta-feed-api-1802b2e0/llms.txt): $0.05/call via x402. Poll a cursor-based delta feed of business change events (openings, closures, construction, operator changes, compliance activity) observed since a given timestamp or prior cursor, with filtering by jurisdiction, intent, and evidence strength.
- [Business Change Intelligence API – Location Timeline](https://www.zero.xyz/c/business-change-intelligence-api-location-timeline-d2da34eb/llms.txt): $0.03/call via x402. Retrieves a chronological list of business-change events for a specific address or building, returning match scope metadata and suite-level identity.
- [Business Change Intelligence API – Event Evidence Expansion](https://www.zero.xyz/c/business-change-intelligence-api-event-evidence-expansion-1564bbc4/llms.txt): $0.02/call via x402. Expands a list of business event IDs into dated, versioned primary-source evidence records for verification before citing or acting on them.

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

- [Zero catalog index](https://www.zero.xyz/llms.txt)