# DELTA Witness

> Trust Layer for Autonomous Actions

- [API guide](https://delta-witness-api.ruphussten.workers.dev/docs)
- [OpenAPI](https://delta-witness-api.ruphussten.workers.dev/openapi.json)
- [Agent skill](https://delta-witness-api.ruphussten.workers.dev/SKILL.md)
- [x402 discovery](https://delta-witness-api.ruphussten.workers.dev/.well-known/x402)
- [Agent preflight](https://delta-witness-api.ruphussten.workers.dev/use-cases/agent-preflight)
- [$10 Guarded-Action Pilot](https://delta-witness-api.ruphussten.workers.dev/v1/quote?product=guarded-action-pilot)
- [Terms before purchase](https://delta-witness-api.ruphussten.workers.dev/use-cases/terms-before-purchase)
- [Source change monitoring](https://delta-witness-api.ruphussten.workers.dev/use-cases/source-change-monitoring)
- [Base app](https://delta-witness-app.pages.dev/)