Speko

Speko Agents API

The Agents API from Speko — 2 operation(s) for agents.

Documentation GitHub OpenAPI

Operations 5

GET /v1/agents List agents #

POST /v1/agents Create an agent #

GET /v1/agents/{id} Get an agent #

PATCH /v1/agents/{id} Update an agent #

DELETE /v1/agents/{id} Delete an agent #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Speko Agents API
  version: 1.0.0
  description: Public REST API for the Speko voice gateway. Routes, transcribes, synthesizes, and completes via the highest-scoring provider for your routing intent, with transparent server-side failover.
  contact:
    email: abat@speko.ai
servers:
- url: https://api.speko.dev
  description: Production
security:
- bearerAuth: []
tags:
- name: Agents
paths:
  /v1/agents:
    get:
      summary: List agents
      description: Returns every agent belonging to the authenticated organization. Agents are scoped per-org — IDs from another org will never appear here.
      operationId: listAgents
      tags:
      - Agents
      responses:
        '200':
          description: Agents owned by the authenticated organization.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Agent'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      summary: Create an agent
      description: Persists a reusable voice persona — `systemPrompt`, optional `voice`, routing `intent`, and optional `llmOptions` — keyed by `name` within the authenticated organization. Pass the returned `id` as `agentId` on `POST /v1/sessions` to seed a session from this agent.
      operationId: createAgent
      tags:
      - Agents
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateAgentRequest'
      responses:
        '201':
          description: Agent created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Agent'
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /v1/agents/{id}:
    get:
      summary: Get an agent
      description: Fetch a single agent by id. Scoped to the authenticated organization — agents owned by another org always return 404.
      operationId: getAgent
      tags:
      - Agents
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
        description: Agent id, prefixed `agent_`.
      responses:
        '200':
          description: Agent
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Agent'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/AgentNotFound'
    patch:
      summary: Update an agent
      description: Partial update — every field on the body is optional and only supplied keys are written.
      operationId: updateAgent
      tags:
      - Agents
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
        description: Agent id, prefixed `agent_`.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateAgentRequest'
      responses:
        '200':
          description: Agent updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Agent'
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/AgentNotFound'
    delete:
      summary: Delete an agent
      description: Removes the agent and its registered tools. The organization's only remaining agent cannot be deleted and returns 409.
      operationId: deleteAgent
      tags:
      - Agents
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
        description: Agent id, prefixed `agent_`.
      responses:
        '200':
          description: Agent deleted
          content:
            application/json:
              schema:
                type: object
                required:
                - deleted
                properties:
                  deleted:
                    type: boolean
                    enum:
                    - true
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/AgentNotFound'
        '409':
          $ref: '#/components/responses/AgentDeleteConflict'
components:
  schemas:
    AgentIntent:
      type: object
      description: 'Routing defaults stored on an agent row. Hydrated into a session''s `RoutingIntent` when the session is created with `agentId` and no inline `intent`. Note: agents accept a smaller `optimizeFor` enum than the per-session `RoutingIntent`.'
      required:
      - language
      properties:
        language:
          type: string
          minLength: 2
          description: BCP-47 language tag, e.g. `en`, `en-US`, `es-MX`.
          examples:
          - en-US
        optimizeFor:
          type: string
          enum:
          - latency
          - quality
          - cost
    AgentStackPreferences:
      type: object
      description: Per-agent stack preferences. Empty / missing layers leave the router unconstrained for that layer; failover stays active within the allowed set.
      additionalProperties: false
      properties:
        allowedProviders:
          type: object
          description: Per-pipeline-layer provider allowlists (e.g. STT must be Deepgram or AssemblyAI). Each entry is either `"<vendor>"` (vendor wildcard — allow any model from that vendor) or `"<vendor>:<model>"` (allow only that specific model). Failover stays active across all entries in the layer.
          additionalProperties: false
          properties:
            stt:
              type: array
              items:
                type: string
                description: Allowed STT provider entry. Either a vendor id (e.g. `"deepgram"` — any Deepgram model) or `"<vendor>:<model>"` (e.g. `"deepgram:nova-3"` — only Nova-3, no fallback to other Deepgram models within the vendor). Both forms can be mixed in the same array.
                examples:
                - deepgram
                - deepgram:nova-3
                - assemblyai
              description: Allowed STT provider entries. Empty / absent = no constraint.
            llm:
              type: array
              items:
                type: string
                description: Allowed LLM provider entry. Either a vendor id (e.g. `"openai"` — any OpenAI model) or `"<vendor>:<model>"` (e.g. `"openai:gpt-5"` — only that model). Both forms can be mixed in the same array.
                examples:
                - openai
                - openai:gpt-5
                - anthropic
              description: Allowed LLM provider entries. Empty / absent = no constraint.
            tts:
              type: array
              items:
                type: string
                description: Allowed TTS provider entry. Either a vendor id (e.g. `"elevenlabs"` — any ElevenLabs model) or `"<vendor>:<model>"` (e.g. `"elevenlabs:eleven_flash_v2_5"` — only that model). Both forms can be mixed in the same array.
                examples:
                - elevenlabs
                - elevenlabs:eleven_flash_v2_5
                - cartesia
              description: Allowed TTS provider entries. Empty / absent = no constraint.
    AgentLlmOptions:
      type: object
      description: Optional LLM tuning defaults stored on an agent. Strict object — only these three keys are accepted.
      additionalProperties: false
      properties:
        temperature:
          type: number
          minimum: 0
          maximum: 2
        maxTokens:
          type: integer
          minimum: 1
        model:
          type: string
          description: Pin a specific LLM model id. When omitted, the router picks per intent.
    Error:
      type: object
      required:
      - error
      - code
      properties:
        error:
          type: string
          description: Human-readable message.
        code:
          type: string
          description: Machine-readable code.
    Agent:
      type: object
      description: Reusable voice persona — `systemPrompt` + optional `voice` + routing `intent` defaults, plus optional `llmOptions`. Pass the `id` as `agentId` on `POST /v1/sessions` to seed a session from this agent.
      required:
      - id
      - organizationId
      - name
      - systemPrompt
      - voice
      - intent
      - llmOptions
      - createdAt
      - updatedAt
      - stackPreferences
      properties:
        id:
          type: string
          description: Agent id, prefixed `agent_`.
          examples:
          - agent_01HW...
        organizationId:
          type: string
          description: Owning organization. Always equal to the authenticated org — agents are never visible across orgs.
        name:
          type: string
          minLength: 1
          maxLength: 120
          description: Human-readable name. Unique within an organization.
        systemPrompt:
          type: string
          minLength: 1
          description: Initial agent instructions. Hydrated as the session's `systemPrompt` default when no per-call value is supplied.
        voice:
          type:
          - string
          - 'null'
          description: Default TTS voice id. `null` when unset — the router picks a sane default per provider.
        intent:
          $ref: '#/components/schemas/AgentIntent'
        llmOptions:
          oneOf:
          - $ref: '#/components/schemas/AgentLlmOptions'
          - type: 'null'
          description: Optional LLM tuning defaults. `null` when unset.
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
        stackPreferences:
          oneOf:
          - $ref: '#/components/schemas/AgentStackPreferences'
          - type: 'null'
          description: Per-agent stack preferences. `null` when the agent has no preferences set.
    UpdateAgentRequest:
      type: object
      description: Partial update — every field is optional. Only supplied keys are written.
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 120
          description: Human-readable display name. Does not need to be unique — agents are identified by `id`.
        systemPrompt:
          type: string
          minLength: 1
        voice:
          type: string
        intent:
          $ref: '#/components/schemas/AgentIntent'
        llmOptions:
          $ref: '#/components/schemas/AgentLlmOptions'
        stackPreferences:
          $ref: '#/components/schemas/AgentStackPreferences'
    CreateAgentRequest:
      type: object
      required:
      - name
      - systemPrompt
      - intent
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 120
          description: Human-readable display name. Does not need to be unique — agents are identified by `id`.
        systemPrompt:
          type: string
          minLength: 1
          description: Initial agent instructions used as the session-level `systemPrompt` default.
        voice:
          type: string
          description: Default TTS voice id. Omit to let the router pick per provider.
        intent:
          $ref: '#/components/schemas/AgentIntent'
        llmOptions:
          $ref: '#/components/schemas/AgentLlmOptions'
        stackPreferences:
          $ref: '#/components/schemas/AgentStackPreferences'
  responses:
    ValidationError:
      description: Request body or query parameters failed validation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            default:
              value:
                error: Invalid request body
                code: VALIDATION_ERROR
    Unauthorized:
      description: Missing or invalid bearer token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            default:
              value:
                error: Unauthorized
                code: UNAUTHORIZED
    AgentDeleteConflict:
      description: The organization's only remaining agent cannot be deleted.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            default:
              value:
                error: Cannot delete the only agent in this organization
                code: LAST_AGENT
    AgentNotFound:
      description: No agent with this id exists in the authenticated organization.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            default:
              value:
                error: not found
                code: NOT_FOUND
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API key (sk_live_...)