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OpenAPI Specification

openapi: 3.2.0
info:
  title: Zelto REST Buckets API
  version: v1
  description: Programmatic access to your Zelto organization. Every endpoint is scoped to the organization the API key belongs to. Mint a key at Settings → Integrations → API Call Upload.
servers:
- url: https://api.zelto.ai
  description: Production
security:
- bearerAuth: []
tags:
- name: Buckets
  description: Reviewer routing — group conversations for batched review.
paths:
  /v1/buckets:
    get:
      summary: List buckets
      operationId: listBuckets
      tags:
      - Buckets
      parameters:
      - name: agentId
        in: query
        schema:
          type: string
          format: uuid
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Cursor'
      responses:
        '200':
          description: Page of buckets.
          content:
            application/json:
              schema:
                allOf:
                - $ref: '#/components/schemas/PageEnvelope'
                - type: object
                  properties:
                    data:
                      type: array
                      items:
                        $ref: '#/components/schemas/Bucket'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      summary: Create a bucket
      operationId: createBucket
      tags:
      - Buckets
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - agentId
              - name
              properties:
                agentId:
                  type: string
                  format: uuid
                name:
                  type: string
                  minLength: 1
                  maxLength: 255
                type:
                  type: string
                  enum:
                  - static
                  default: static
                filters:
                  type: object
                  additionalProperties: true
                  default: {}
      responses:
        '200':
          description: The created bucket.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bucket'
        '400':
          $ref: '#/components/responses/ValidationFailed'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          description: Agent not in your organization.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /v1/buckets/{id}:
    get:
      summary: Get a bucket
      operationId: getBucket
      tags:
      - Buckets
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: The bucket.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bucket'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /v1/buckets/{id}/conversations:
    get:
      summary: List conversations in a bucket
      operationId: listBucketConversations
      tags:
      - Buckets
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Cursor'
      responses:
        '200':
          description: Page of conversations in the bucket.
          content:
            application/json:
              schema:
                allOf:
                - $ref: '#/components/schemas/PageEnvelope'
                - type: object
                  properties:
                    data:
                      type: array
                      items:
                        $ref: '#/components/schemas/Conversation'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      summary: Add a conversation to a bucket
      operationId: addConversationToBucket
      tags:
      - Buckets
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - conversationId
              properties:
                conversationId:
                  type: string
                  format: uuid
      responses:
        '200':
          description: Conversation added (or already present). Idempotent.
          content:
            application/json:
              schema:
                type: object
                properties:
                  bucketId:
                    type: string
                    format: uuid
                  conversationId:
                    type: string
                    format: uuid
                  alreadyExisted:
                    type: boolean
        '400':
          $ref: '#/components/responses/ValidationFailed'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /v1/buckets/{id}/conversations/{conversationId}:
    delete:
      summary: Remove a conversation from a bucket
      operationId: removeConversationFromBucket
      tags:
      - Buckets
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      - name: conversationId
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '204':
          description: Removed.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    Bucket:
      type: object
      required:
      - id
      - organizationId
      - agentId
      - name
      - type
      - filters
      - createdAt
      - updatedAt
      properties:
        id:
          type: string
          format: uuid
        organizationId:
          type: string
          format: uuid
        agentId:
          type: string
          format: uuid
        name:
          type: string
        type:
          type: string
          enum:
          - static
        filters:
          type: object
          additionalProperties: true
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
    Conversation:
      type: object
      required:
      - id
      - agentId
      - name
      - source
      - createdAt
      - updatedAt
      properties:
        id:
          type: string
          format: uuid
        agentId:
          type: string
          format: uuid
        receiverId:
          type: string
          format: uuid
          nullable: true
        name:
          type: string
        referenceId:
          type: string
          nullable: true
        source:
          type: string
          description: Where the call came from, e.g. `vapi`, `retell`, `speechify`, `livekit`, `upload`.
        endedReason:
          type: string
          nullable: true
        cost:
          type: string
          nullable: true
          description: Provider-reported cost in dollars, as a string for precision.
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
    Error:
      type: object
      required:
      - error
      properties:
        error:
          type: string
          description: Human-readable error message, e.g. Unauthorized or Validation failed.
        message:
          type: string
        details:
          type: object
          additionalProperties: true
    PageEnvelope:
      type: object
      required:
      - data
      - nextCursor
      properties:
        data:
          type: array
          items: {}
        nextCursor:
          type: string
          nullable: true
  responses:
    ValidationFailed:
      description: Request body failed validation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found in your organization.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    Limit:
      name: limit
      in: query
      required: false
      description: Items per page. Default 50, max 200.
      schema:
        type: integer
        minimum: 1
        maximum: 200
        default: 50
    Cursor:
      name: cursor
      in: query
      required: false
      description: Opaque pagination cursor. Pass the `nextCursor` returned by the previous page.
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Send `Authorization: Bearer YOUR_API_KEY`. The key resolves to a single organization.'