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API reference

Programmatic HTTP APIs allow developer tools, CI pipelines, scripts, and external monitoring agents to interact directly with Hollow. Both APIs authenticate using bearer developer keys (hlw_sk_...).

For internal assistant interactions and native workflow automations, refer to Hollow AI tools and Cascade automations.

  • Tasks API: Create tasks synchronously from scripts, forms, or webhooks.
  • Lumen API: Ingest log streams, metric data points, and configure uptime/synthetic monitors.
  • Authentication: A single developer key authenticates both APIs.