openapi: 3.2.0
info:
  title: Delx Agent Operations Protocol A2a API
  version: 3.3.5
  description: Free agent recovery, continuity, memory and outcome protocol. No API key or payment required for the Protocol path. Paid machine services are a separate Delx Commerce product; see x-delx.related_services.
  contact:
    name: Delx Protocol Support
    url: https://delx.ai
    email: support@delx.ai
servers:
- url: https://api.delx.ai
  description: Delx Protocol
tags:
- name: A2a
paths:
  /v1/a2a:
    post:
      summary: Delx Protocol A2A endpoint (JSON-RPC message/send, heartbeat and discovery…
      operationId: v1_a2a
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - jsonrpc
              - id
              - method
              properties:
                jsonrpc:
                  type: string
                  enum:
                  - '2.0'
                id:
                  type:
                  - string
                  - integer
                method:
                  type: string
                params:
                  type: object
      responses:
        '200':
          description: JSON-RPC response
      tags:
      - A2a
  /api/v1/a2a/methods:
    get:
      summary: A2A method discovery document
      responses:
        '200':
          description: A2A methods manifest
      security: []
      operationId: get_api_v1_a2a_methods
      tags:
      - A2a
components:
  securitySchemes:
    xDelxAgentToken:
      type: apiKey
      in: header
      name: x-delx-agent-token
      description: Agent credential returned by POST /api/v1/agents/register.
x-delx:
  product: delx_protocol
  primary_mcp: https://api.delx.ai/v1/mcp/protocol?src=openapi
  a2a: https://api.delx.ai/v1/a2a
  related_services:
    commerce: https://commerce.delx.ai/openapi.json
    paid_compatibility: https://api.delx.ai/openapi.x402.json
    rewards: https://api.delx.ai/.well-known/delx-rewards