# MUJ428 Trust Layer API

**Canonical:** https://apis.io/apis/muj428-com/muj428-trust-layer-api/  
**Provider:** MUJ428 — https://apis.io/providers/muj428-com/  
**Base URL:** https://wepmhfjzckclvywolrek.supabase.co/functions/v1/trust-layer  
**Documentation:** https://agents.muj428.com/

MUJ428 Trust Layer API is one of 3 APIs that [MUJ428](https://apis.io/providers/muj428-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Agent Trust, Agentic Commerce, x402, Verification, and Risk Management. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

REST facade for the MUJ428 Trust Layer, served as Supabase edge functions at https://wepmhfjzckclvywolrek.supabase.co/functions/v1/trust-layer and named as the canonical production facade by the provider's own api-catalog, agent card, mcp.json, AGENTS.md and developer.json on agents.muj428.com. POST /v1/trust is the Trust Reflex preflight (flat JSON: caller_ref, action_ref, action) returning a decision and Trust Receipt v1.3; /v1/route resolves an intent into the supported action vocabulary; /v1/rescue is the Agent Rescue Beacon; /v1/monitor creates Continuous Trust Monitoring from a prior receipt; /v1/evidence-signal, /v1/reputation-check, /v1/milestone-attestation, /v1/trust-layer-report and /v1/transaction-assurance are x402-paid (HTTP 402 with PAYMENT-REQUIRED, retry with PAYMENT-SIGNATURE); /discover, /services, /pricing.json, /health, /v1/heartbeat, /v1/compatibility, /v1/trust-requests, /v1/loop/status and the payment-rail documents are anonymous reads. OpenAPI 3.1.0, 24 operations, no securitySchemes (free calls need no credential).

## Operations (24)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/trust` | Trust Reflex preflight |
| POST | `/v1/evidence-signal` | Evidence Signal |
| POST | `/v1/reputation-check` | Agent Reputation Check |
| POST | `/v1/milestone-attestation` | Milestone Evidence Attestation |
| POST | `/v1/trust-layer-report` | Trust Layer Report |
| POST | `/v1/transaction-assurance` | Dynamic Transaction Assurance |
| GET | `/services` | Get live service catalog |
| GET | `/pricing.json` | Get canonical launch pricing mirror |
| GET | `/discover` | Discover MUJ428 capabilities and invocation flow |
| GET | `/health` | Production health |
| POST | `/v1/route` | MUJ428 Agent Router |
| POST | `/v1/trust-dns/resolve` | MUJ428 Trust DNS HTTPS resolver |
| GET | `/v1/heartbeat` | Trust Heartbeat |
| GET | `/v1/compatibility` | Search receipt-aware infrastructure |
| POST | `/v1/compatibility` | Register self-attested compatibility |
| POST | `/v1/compatibility/observe` | Record self-reported compatibility discovery |
| GET | `/v1/trust-requests` | List open trust-capability requests |
| POST | `/v1/trust-requests` | Publish and match a trust-capability request |
| GET | `/v1/loop/status` | Read evidence-gated Trust Gravity loop status |
| GET | `/.well-known/payment-rails.json` | Discover MUJ428 payment plans |
| GET | `/.well-known/payment-proof.json` | Inspect payment verification evidence |
| POST | `/v1/payments/select` | Select an eligible payment plan without moving funds |
| POST | `/v1/rescue` | MUJ428 Agent Rescue Beacon |
| POST | `/v1/monitor` | Create Continuous Trust Monitoring from a prior Trust Receipt |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/muj428-com/refs/heads/main/openapi/muj428-com-trust-layer-openapi.json
- **OpenAPI** — https://agents.muj428.com/openapi.json
- **OpenAPI** — https://wepmhfjzckclvywolrek.supabase.co/functions/v1/trust-layer/openapi.json
- **Documentation** — https://agents.muj428.com/AGENTS.md
- **APIReference** — https://agents.muj428.com/developer.json
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/muj428-com/refs/heads/main/overlays/muj428-com-trust-layer-overlay.yaml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/muj428-com/refs/heads/main/apis.yml

## Other MUJ428 APIs (2)

- [MUJ428 Trust Layer MCP Server](https://apis.io/apis/muj428-com/muj428-trust-layer-mcp-server/)
- [MUJ428 Trust Reflex A2A Agent](https://apis.io/apis/muj428-com/muj428-trust-reflex-a2a-agent/)

## Tags

Agent Trust, Agentic Commerce, x402, Verification, Risk Management

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/muj428-com/muj428-trust-layer-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/muj428-com/.