name: DELTA Witness — Trust Layer for Autonomous Actions description: >- Machine-verifiable capture and preflight verification of public web sources. Returns timestamped content hashes plus a public verifier, keeping raw capture artifacts private. Access is payment-gated via the x402 v2 protocol using USDC on Base mainnet. Proves observation and change, not truth. url: >- https://raw.githubusercontent.com/api-evangelist/delta-witness/refs/heads/main/apis.yml created: '2026-09-11' modified: '2026-09-11' specificationVersion: '0.21' tags: - web-verification - proof-of-observation - page-state-monitoring - content-hashing - agent-guardrails - preflight-checks - x402 Payments - Pay-Per-Use - base-usdc - Autonomous Agents - MCP - A2A - Agent Skills - Trust and Safety tags_raw: - web-verification - proof-of-observation - page-state-monitoring - content-hashing - agent-guardrails - preflight-checks - x402-payments - pay-per-use - base-usdc - autonomous-agents - mcp - a2a - agent-skill - trust-and-safety apis: - aid: delta-witness:delta-witness-browser-verification-api name: DELTA Witness — Trust Layer for Autonomous Actions browser verification API description: >- The browser verification API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for browser verification. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - browser verification properties: - type: OpenAPI url: openapi/delta-witness-browser-verification-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-capture-api name: DELTA Witness — Trust Layer for Autonomous Actions Capture API description: >- The Capture API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for capture. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs baseURL: https://delta-witness-partner-gateway.ruphussten.workers.dev tags: - Capture properties: - type: OpenAPI url: openapi/delta-witness-capture-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-demo-api name: DELTA Witness — Trust Layer for Autonomous Actions Demo API description: >- The Demo API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for demo. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - Demo properties: - type: OpenAPI url: openapi/delta-witness-demo-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-guarded-action-pilot-api name: DELTA Witness — Trust Layer for Autonomous Actions Guarded Action Pilot API description: >- The guarded-action-pilot API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for guarded-action-pilot. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - guarded-action-pilot properties: - type: OpenAPI url: openapi/delta-witness-guarded-action-pilot-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-health-api name: DELTA Witness — Trust Layer for Autonomous Actions Health API description: >- The Health API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for health. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs baseURL: https://delta-witness-partner-gateway.ruphussten.workers.dev tags: - Health properties: - type: OpenAPI url: openapi/delta-witness-health-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-preflight-api name: DELTA Witness — Trust Layer for Autonomous Actions Preflight API description: >- The Preflight API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for preflight. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs baseURL: https://delta-witness-partner-gateway.ruphussten.workers.dev tags: - Preflight properties: - type: OpenAPI url: openapi/delta-witness-preflight-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-preflight-autonomous-action-api name: DELTA Witness — Trust Layer for Autonomous Actions preflight autonomous action API description: >- The preflight autonomous action API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for preflight autonomous action. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - preflight autonomous action properties: - type: OpenAPI url: openapi/delta-witness-preflight-autonomous-action-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-proofs-api name: DELTA Witness — Trust Layer for Autonomous Actions Proofs API description: >- The Proofs API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for proofs. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - Proofs properties: - type: OpenAPI url: openapi/delta-witness-proofs-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-quote-api name: DELTA Witness — Trust Layer for Autonomous Actions Quote API description: >- The Quote API from DELTA Witness — Trust Layer for Autonomous Actions — 1 operation(s) for quote. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs tags: - Quotes tags_raw: - Quote properties: - type: OpenAPI url: openapi/delta-witness-quote-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt - aid: delta-witness:delta-witness-watch-api name: DELTA Witness — Trust Layer for Autonomous Actions Watch API description: >- The Watch API from DELTA Witness — Trust Layer for Autonomous Actions — 2 operation(s) for watch. humanURL: https://delta-witness-api.ruphussten.workers.dev/docs baseURL: https://delta-witness-partner-gateway.ruphussten.workers.dev tags: - Watch properties: - type: OpenAPI url: openapi/delta-witness-watch-api-openapi.yml - type: PostmanCollection url: https://delta-witness-api.ruphussten.workers.dev/postman.json - type: Documentation url: https://delta-witness-api.ruphussten.workers.dev/docs - type: LLMsTxt url: https://delta-witness-api.ruphussten.workers.dev/llms.txt maintainers: - FN: DELTA Witness email: ruphussten@163.com url: https://delta-witness-api.ruphussten.workers.dev generated: by: apis.io/add model: claude-opus-4-8 confidence: 95 at: '2026-09-11T15:17:37.825Z' common: - type: AgentSkill url: https://delta-witness-api.ruphussten.workers.dev/SKILL.md - type: Website url: https://delta-witness-api.ruphussten.workers.dev - type: DomainSecurity url: security/delta-witness-domain-security.yml - type: SDKs url: packages/delta-witness-packages.yml - type: Packages url: packages/delta-witness-packages.yml - type: MCPServer url: mcp/delta-witness-mcp.yml - type: ToolCrosswalk url: mcp/delta-witness-tool-crosswalk.yml - type: AgentCard url: a2a/delta-witness-a2a.yml - type: WellKnown url: well-known/delta-witness-well-known.yml - type: Overlay url: overlays/delta-witness-openapi-overlay.yaml - type: Conformance url: conformance/delta-witness-conformance.yml - type: ErrorCatalog url: errors/delta-witness-problem-types.yml - type: Lifecycle url: lifecycle/delta-witness-lifecycle.yml - type: Authentication url: authentication/delta-witness-authentication.yml - type: Conventions url: conventions/delta-witness-conventions.yml - type: Idempotency url: conventions/delta-witness-conventions.yml - type: Plans url: plans/delta-witness-plans-pricing.yml - type: RateLimits url: rate-limits/delta-witness-rate-limits.yml - type: AgentSkill url: skills/_index.yml - type: GitHubOrganization url: https://github.com/15998194110/delta-witness x-enrichment: date: '2026-09-11' status: enriched artifacts_added: 18 pass: local-v3