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OpenAPI Specification

openapi: 3.2.0
info:
  description: Programmatic access to your Sendmux email infrastructure.
  title: Sendmux Inboxes API
  version: 1.0.0
servers:
- description: API v1
  url: https://app.sendmux.ai/api/v1
security:
- bearerAuth: []
- oauth2: []
tags:
- name: Inboxes
paths:
  /inboxes/logs:
    get:
      description: Returns paginated incoming message logs for billing accountability.
      operationId: managementListInboxLogs
      parameters:
      - in: query
        name: limit
        required: false
        schema:
          description: Max results (default 25)
          maximum: 100
          minimum: 1
          type: integer
      - in: query
        name: cursor
        required: false
        schema:
          description: Cursor from previous page
          type: string
      - in: query
        name: mailbox_id
        required: false
        schema:
          description: Filter by mailbox public ID
          type: string
      - in: query
        name: event_type
        required: false
        schema:
          enum:
          - message.received
          - message.received.spam
          type: string
      - in: query
        name: from_date
        required: false
        schema:
          description: ISO 8601 start date. Date-only values start at 00:00 UTC.
          type: string
      - in: query
        name: to_date
        required: false
        schema:
          description: ISO 8601 end date. Date-only values include the full UTC day.
          type: string
      - in: query
        name: search
        required: false
        schema:
          description: Search mailbox, sender, recipient, subject, or message ID
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IncomingLogItemCursorListResponse'
          description: Incoming log list
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Authentication required
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Insufficient permissions
      security:
      - bearerAuth: []
      - oauth2:
        - logs.read
      summary: List incoming logs
      tags:
      - Inboxes
  /inboxes/logs/{public_id}:
    get:
      description: Returns one incoming message log by public ID.
      operationId: managementGetInboxLog
      parameters:
      - in: path
        name: public_id
        required: true
        schema:
          description: Incoming log public ID (ilog_...)
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IncomingLogItemResponse'
          description: Incoming log detail
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Authentication required
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Insufficient permissions
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Not found
      security:
      - bearerAuth: []
      - oauth2:
        - logs.read
      summary: Get incoming log
      tags:
      - Inboxes
components:
  schemas:
    ResponseMeta:
      additionalProperties: false
      properties:
        request_id:
          example: req_clxxxxxxxxxxxxxxxxxxxxxxxxx
          type: string
      required:
      - request_id
      type: object
    IncomingLogItemResponse:
      allOf:
      - $ref: '#/components/schemas/SuccessEnvelope'
      - properties:
          data:
            $ref: '#/components/schemas/IncomingLogItem'
          meta:
            $ref: '#/components/schemas/ResponseMeta'
        required:
        - data
        type: object
      unevaluatedProperties: false
    ApiErrorDetail:
      additionalProperties: false
      properties:
        code:
          description: Machine-readable issue code from the validator (e.g. zod issue code).
          example: invalid_string
          type: string
        field:
          description: Dot-path of the offending request field.
          example: recipient.email
          type: string
        message:
          description: Human-readable issue description.
          type: string
      required:
      - field
      - code
      - message
      type: object
    SuccessEnvelope:
      properties:
        meta:
          additionalProperties: {}
          properties: {}
          type: object
        ok:
          enum:
          - true
          type: boolean
      required:
      - ok
      - meta
      type: object
    IncomingLogItemCursorListResponse:
      allOf:
      - $ref: '#/components/schemas/SuccessEnvelope'
      - properties:
          data:
            items:
              $ref: '#/components/schemas/IncomingLogItem'
            type: array
          meta:
            $ref: '#/components/schemas/ResponseMeta'
          pagination:
            $ref: '#/components/schemas/CursorPagination'
        required:
        - data
        - pagination
        type: object
      unevaluatedProperties: false
    CursorPagination:
      additionalProperties: false
      properties:
        has_more:
          type: boolean
        next_cursor:
          type: string
      required:
      - has_more
      type: object
    IncomingLogItem:
      additionalProperties: false
      properties:
        amount:
          description: Billable amount for this message in USD
          type: string
        billing_bucket_start:
          description: ISO 8601 usage bucket start
          type: string
        event_type:
          enum:
          - message.received
          - message.received.spam
          type: string
        from_email:
          type:
          - string
          - 'null'
        id:
          description: Incoming log public ID
          example: ilog_9ed2f2fdbacf38ef05c6a8b9
          type: string
        is_spam:
          type: boolean
        mailbox_email:
          description: Mailbox email address
          type:
          - string
          - 'null'
        mailbox_id:
          description: Mailbox public ID
          type:
          - string
          - 'null'
        message_id:
          description: Message identifier when available
          type:
          - string
          - 'null'
        message_id_kind:
          description: Identifier source when available
          type:
          - string
          - 'null'
        received_at:
          description: ISO 8601 received timestamp
          type: string
        size_bytes:
          type:
          - number
          - 'null'
        subject:
          type:
          - string
          - 'null'
        to_emails:
          items:
            type: string
          type: array
        unit_amount:
          description: Per-message unit amount in USD
          type: string
      required:
      - id
      - mailbox_id
      - mailbox_email
      - event_type
      - message_id
      - message_id_kind
      - from_email
      - to_emails
      - subject
      - size_bytes
      - received_at
      - is_spam
      - billing_bucket_start
      - unit_amount
      - amount
      type: object
    ApiError:
      additionalProperties: false
      properties:
        error:
          additionalProperties: false
          properties:
            code:
              description: Machine-readable error code
              enum:
              - invalid_parameter
              - missing_parameter
              - authentication_required
              - insufficient_permissions
              - not_found
              - conflict
              - limit_exceeded
              - idempotency_conflict
              - payload_too_large
              - validation_error
              - rate_limit_exceeded
              - service_unavailable
              - internal_error
              example: invalid_parameter
              type: string
            doc_url:
              description: Link to relevant documentation
              type: string
            errors:
              description: Accumulated per-field issues for validation errors. Only present on 400/422 responses.
              items:
                $ref: '#/components/schemas/ApiErrorDetail'
              type: array
            message:
              description: Human-readable error description
              type: string
            param:
              description: The parameter that caused the error
              type: string
            retryable:
              description: Whether the caller may safely retry this request. 4xx are typically false (except 429); 5xx are typically true.
              example: false
              type: boolean
          required:
          - code
          - message
          - retryable
          type: object
        meta:
          additionalProperties: false
          properties:
            request_id:
              example: req_clxxxxxxxxxxxxxxxxxxxxxxxxx
              type: string
          required:
          - request_id
          type: object
        ok:
          enum:
          - false
          type: boolean
      required:
      - ok
      - error
      - meta
      type: object
  securitySchemes:
    bearerAuth:
      bearerFormat: API Key
      description: Sendmux API key. Use a root API key for Management API routes, or a mailbox credential for Mailbox API routes. Obtain keys from the dashboard under API Keys.
      scheme: bearer
      type: http
    oauth2:
      description: Use the authorisation-code flow with S256 PKCE and resource=https://sendmux.ai/api. The user selects the team, API access and mailboxes during consent. OAuth access tokens authenticate HTTP API requests; use separate credentials for SMTP and IMAP.
      flows:
        authorizationCode:
          authorizationUrl: https://app.sendmux.ai/oauth/authorize
          refreshUrl: https://app.sendmux.ai/oauth/token
          scopes:
            analytics.*: All analytics operations
            analytics.read: View key usage analytics and verification logs
            billing.*: All billing operations
            billing.auto_topup: Configure auto top-up settings
            billing.read: View balance, transactions, invoices
            billing.topup: Purchase balance top-ups
            calendar.read: Read calendars and events in this mailbox
            calendar.write: Create calendars and create, edit and delete events in this mailbox
            domain.*: All domain operations
            domain.create: Add sending domains
            domain.delete: Remove domains
            domain.read: List/view domains and DNS status
            domain.verify: Trigger domain verification
            email.receive: Authorise email reception
            email.send: Send email through the HTTP API
            key.*: All key management operations
            key.create: Create new API keys (both root and mailbox)
            key.read: List/view API keys and their metadata
            key.revoke: Revoke API keys
            key.rotate: Rotate API keys
            logs.*: All log operations
            logs.read: View delivery logs
            mailbox.admin.*: All mailbox admin operations
            mailbox.admin.create: Create mailboxes (admin-level)
            mailbox.admin.delete: Delete mailboxes (admin-level)
            mailbox.admin.manage: Manage all mailbox settings
            mailbox.admin.read: List/view mailboxes (admin-level)
            mailbox.drafts.write: Create and edit saved mailbox drafts
            mailbox.read: Read mailbox contents (folders, messages)
            mailbox.settings.update: Update own mailbox settings (signature, auto-reply)
            provider.*: All provider operations
            provider.create: Add email provider accounts (Google, Microsoft, SMTP)
            provider.delete: Remove provider accounts
            provider.read: List/view provider accounts and connection status
            provider.update: Update provider settings, refresh tokens
            routing.*: All routing operations
            routing.create: Create delivery groups
            routing.delete: Remove delivery groups
            routing.read: List/view delivery groups and routing rules
            routing.update: Update delivery group configuration
            team.*: All team operations
            team.members.invite: Invite team members
            team.members.remove: Remove team members
            team.members.roles: Change member roles
            team.read: View team settings and members
            team.update: Update team settings
            webhook.*: All webhook operations
            webhook.create: Create webhook subscriptions
            webhook.delete: Delete webhook subscriptions
            webhook.manage: Rotate signing secret + send test events
            webhook.read: List/view webhook subscriptions
            webhook.update: Update webhook URL, event types, enabled flag
          tokenUrl: https://app.sendmux.ai/oauth/token
      type: oauth2