Agentic Control Plane Proxy API

Governed model proxy — OpenAI- and Anthropic-compatible.

Operations 4

POST /v1/chat/completions OpenAI-compatible chat completions (governed) #
GET /v1/models List models (OpenAI-compatible) #
POST /anthropic/v1/messages Anthropic-compatible messages (governed) #
POST /openai/v1/responses OpenAI Responses API (governed) #

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OpenAPI Specification

agenticcontrolplane-com-proxy-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Agentic Control Plane — Gateway Proxy API
  version: 0.1.0
  description: 'The public, gsk_-key-authenticated surface of the ACP gateway: agent profiles, run summaries,

    self-introspection (cost / usage / decisions / traces), delegation-chain child-key minting,

    scoped-token issuance, the governed model proxy, and the MCP endpoint.


    **Rate limits.** Rate-limited endpoints return IETF draft-7 `RateLimit` / `RateLimit-Policy`

    headers on every response and a 429 with the same headers when exceeded.


    **Errors.** Three envelopes coexist and are documented per-endpoint: `{ error: string }` on

    /api/v1/*, `{ error: ''validation_failed'', details }` on schema-validated bodies, and the

    OpenAI-compatible `{ error: { message, type, param, code } }` on the model proxy.


    **Feature-flagged surfaces.** `/api/v1/keys/child`, `/api/v1/scoped-tokens`, and

    `/v1/sandbox-tenants` are deployment-flagged; when disabled they 404.


    Human docs: https://agenticcontrolplane.com/agents/configure-as-code — agent-facing site

    index: https://agenticcontrolplane.com/llms.txt'
  contact:
    name: Agentic Control Plane
    email: hello@agenticcontrolplane.com
    url: https://agenticcontrolplane.com/contact
servers:
- url: https://api.agenticcontrolplane.com
security:
- ApiKeyAuth: []
tags:
- name: Proxy
  description: Governed model proxy — OpenAI- and Anthropic-compatible.
paths:
  /v1/chat/completions:
    post:
      tags:
      - Proxy
      operationId: proxyChatCompletions
      summary: OpenAI-compatible chat completions (governed)
      description: 'Drop-in replacement for the OpenAI chat-completions endpoint: point your client''s base URL at the gateway and every call is policy-checked, priced, and audited. Request/response bodies follow the OpenAI API. Errors use the OpenAI-compatible envelope; 429s carry Retry-After.'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Vendor-shaped completion (or SSE stream).
        '401':
          description: Auth error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '402':
          description: Budget exhausted.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '403':
          description: Denied by policy.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '429':
          description: Rate limited (Retry-After set).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
  /v1/models:
    get:
      tags:
      - Proxy
      operationId: proxyListModels
      summary: List models (OpenAI-compatible)
      responses:
        '200':
          description: OpenAI-shaped model list.
        '401':
          description: Auth error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
  /anthropic/v1/messages:
    post:
      tags:
      - Proxy
      operationId: proxyAnthropicMessages
      summary: Anthropic-compatible messages (governed)
      description: Anthropic-native proxy path — same governance treatment as /v1/chat/completions with Anthropic request/response shapes.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Vendor-shaped response (or SSE stream).
        '401':
          description: Auth error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '403':
          description: Denied by policy.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '429':
          description: Rate limited (Retry-After set).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
  /openai/v1/responses:
    post:
      tags:
      - Proxy
      operationId: proxyOpenAiResponses
      summary: OpenAI Responses API (governed)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: Vendor-shaped response (or SSE stream).
        '401':
          description: Auth error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '403':
          description: Denied by policy.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
        '429':
          description: Rate limited (Retry-After set).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProxyError'
components:
  schemas:
    ProxyError:
      type: object
      description: OpenAI-compatible error envelope used by the model-proxy endpoints (/v1/chat/completions, /anthropic/v1/messages, /openai/v1/responses).
      required:
      - error
      properties:
        error:
          type: object
          required:
          - message
          - type
          properties:
            message:
              type: string
            type:
              type: string
              description: authentication_error | permission_error | rate_limit_error | billing_error | invalid_request_error | api_error
            param:
              type:
              - string
              - 'null'
            code:
              type:
              - string
              - 'null'
  securitySchemes:
    ApiKeyAuth:
      type: http
      scheme: bearer
      description: 'Workspace API key (`gsk_{slug}_…`) as a Bearer token. Mint keys in the console: https://cloud.agenticcontrolplane.com'