# Services from api.signalis.dev on Zero

> api.signalis.dev serves 6 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.signalis.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.signalis.dev/health.json

## Services

- [Signalis Pulse Narrative Detail](https://www.zero.xyz/c/signalis-pulse-narrative-detail-3c2e72e7/llms.txt): $0.01/call via x402. Fetches a single AI-business narrative by ID, returning its title, stage, content items, and source attributions from Signalis Pulse.
- [Signalis Pulse Recent Content Feed](https://www.zero.xyz/c/signalis-pulse-recent-content-feed-e7cfe37d/llms.txt): $0.02/call via x402. Returns raw scraped content items ingested across all Pulse sources in the last 4 hours
- [Signalis Pulse Narrative Detail](https://www.zero.xyz/c/signalis-pulse-narrative-detail-60f32332/llms.txt): $0.01/call via x402. Retrieves full narrative detail for a single AI-business narrative, including content items, source attribution, and lifecycle stage updates.
- [Signalis Intelligence History API](https://www.zero.xyz/c/signalis-intelligence-history-api-fe27678d/llms.txt): $0.03/call via x402. Retrieves historical Master Intelligence digests with executive summaries, sources, and provenance for a configurable lookback window up to 168 hours
- [Signalis Pulse AI-Business Narrative Digests](https://www.zero.xyz/c/signalis-pulse-ai-business-narrative-digests-23704a32/llms.txt): $0.03/call via x402. Returns historical AI-business narrative digests from the Pulse service, supporting poll-based retrieval via a since index parameter
- [Signalis Pulse Narratives](https://www.zero.xyz/c/signalis-pulse-narratives-457cf6ca/llms.txt): $0.01/call via x402. Returns active AI-business narratives with lifecycle stage, driving sources, and momentum indicators via the Pulse service

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)