---
title: "Ontario x402 Trust Standard"
method: GET
path: "/.well-known/x402-trust.json"
---

# Ontario x402 Trust Standard

`GET /.well-known/x402-trust.json`

## Request

- Base URL: `https://ontarioprotocol.com`
- URL: `https://ontarioprotocol.com/.well-known/x402-trust.json`
- Auth: none required

Machine-readable policy for agents deciding whether to pay unknown x402 endpoints.

## Response `200`

Trust standard

- X402TrustStandard
  - `badge_policy` object
  - `current_stats` object
  - `developer_rule` string
  - `discovery_policy` object
  - `evidence_surfaces` object
  - `generated_at` string
  - `grades` object
  - `minimum_ready_score` integer
  - `name` string
  - `required_for_ready` string[]
  - `schema_version` string
  - `scoring_weights` object
  - `verifier_signals` string

## Changes

- **2026-10-25** `c4bb7fd32b2f`: 1 warning, 1 info
  - removed the optional property `agent_rule` from the response with the `200` status
  - added the optional property `verifier_signals` to the response with the `200` status

[Operation history](https://skmtc.dev/ontarioprotocol/apis/ontario-protocol-x402-api/changes/.well-known/x402-trust.json/get.md)

---

[API](https://skmtc.dev/ontarioprotocol/apis/ontario-protocol-x402-api.md) - [All operations](https://skmtc.dev/ontarioprotocol/apis/ontario-protocol-x402-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ontarioprotocol/apis/ontario-protocol-x402-api/revisions/c4bb7fd32b2f?raw)