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OpenAPI Specification

openapi: 3.2.0
info:
  title: AffixIO Verification Agent Trust API
  version: 1.8.0
  description: Public /v1 and /api surface of the AffixIO verification API (ML-DSA-65 signed yes/no results, Noir/Barretenberg circuits, Merkle audit, spent registry, gates, Agent Trust). Generated from the live MCP endpoint catalogue and the Postman collection at https://api.affix-io.com/openapi.postman.json. Account, key, OAuth, Hub and webhook administration are intentionally omitted. A successful verify spends the proof digest; presenting it again returns 409 double_spend_detected. Send Idempotency-Key on prove/verify to retry safely.
  contact:
    name: AffixIO
    url: https://www.affix-io.com/contact/
servers:
- url: https://api.affix-io.com
tags:
- name: Agent Trust
paths:
  /v1/agent-trust/audit:
    post:
      operationId: affix_agent_trust_audit
      summary: Audit an agent credential
      description: Read the recent trust events for an agent credential so Medusa can explain what happened and when (POST /v1/agent-trust/audit).
      security:
      - ApiKey: []
      - Bearer: []
      responses:
        '200':
          description: Success (JSON).
        '400':
          description: Invalid request.
        '401':
          description: API key missing or not accepted.
        '409':
          description: Conflict, e.g. double_spend_detected on a spent proof.
        '429':
          description: Rate limited; see Retry-After.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      tags:
      - Agent Trust
  /v1/agent-trust/authorise:
    post:
      operationId: affix_agent_trust_authorise
      summary: Authorise an agent action
      description: Check whether a verified AI agent is allowed to run a specific action against a named resource, with optional attestation output (POST /v1/agent-trust/authorise).
      security:
      - ApiKey: []
      - Bearer: []
      responses:
        '200':
          description: Success (JSON).
        '400':
          description: Invalid request.
        '401':
          description: API key missing or not accepted.
        '409':
          description: Conflict, e.g. double_spend_detected on a spent proof.
        '429':
          description: Rate limited; see Retry-After.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      tags:
      - Agent Trust
  /v1/agent-trust/badge:
    post:
      operationId: affix_agent_trust_badge
      summary: Render an agent trust badge
      description: Render an Agent Trust badge for a credential.
      security:
      - ApiKey: []
      - Bearer: []
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Badge.
      tags:
      - Agent Trust
  /v1/agent-trust/enrol:
    post:
      operationId: affix_agent_trust_enrol
      summary: Enrol an agent credential
      description: Create or refresh an AffixIO agent-trust credential for an AI agent before it acts for a user or merchant (POST /v1/agent-trust/enrol).
      security:
      - ApiKey: []
      - Bearer: []
      responses:
        '200':
          description: Success (JSON).
        '400':
          description: Invalid request.
        '401':
          description: API key missing or not accepted.
        '409':
          description: Conflict, e.g. double_spend_detected on a spent proof.
        '429':
          description: Rate limited; see Retry-After.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      tags:
      - Agent Trust
  /v1/agent-trust/verify:
    post:
      operationId: affix_agent_trust_verify
      summary: Verify an agent credential
      description: Verify an AffixIO agent-trust credential and return its current scope, subject and expiry state (POST /v1/agent-trust/verify).
      security:
      - ApiKey: []
      - Bearer: []
      responses:
        '200':
          description: Success (JSON).
        '400':
          description: Invalid request.
        '401':
          description: API key missing or not accepted.
        '409':
          description: Conflict, e.g. double_spend_detected on a spent proof.
        '429':
          description: Rate limited; see Retry-After.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      tags:
      - Agent Trust
components:
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: X-API-Key
    Bearer:
      type: http
      scheme: bearer