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OpenAPI Specification

openapi: 3.2.0
info:
  title: Kairon Billing API
  description: B2B agentic go-to-market platform
  version: 0.0.0
  contact: {}
servers: []
security:
- api-key: []
tags:
- name: Billing
paths:
  /api/billing/checkout:
    post:
      operationId: BillingController_checkout
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BillingCheckoutDto'
      responses:
        '201':
          description: ''
      tags:
      - Billing
      summary: Billing controller checkout
      x-summary-source: derived
  /api/billing/addons/cold-email:
    put:
      operationId: BillingController_setColdEmail
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ColdEmailDto'
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller set cold email
      x-summary-source: derived
  /api/billing/auto-top-up:
    get:
      operationId: BillingController_autoTopUp
      parameters: []
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller auto top up
      x-summary-source: derived
    put:
      operationId: BillingController_setAutoTopUp
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AutoTopUpDto'
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller set auto top up
      x-summary-source: derived
  /api/billing/me:
    get:
      operationId: BillingController_me
      parameters: []
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller me
      x-summary-source: derived
  /api/billing/portal:
    post:
      operationId: BillingController_portal
      parameters: []
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller portal
      x-summary-source: derived
  /api/billing/reconcile:
    post:
      operationId: BillingController_reconcile
      parameters: []
      responses:
        '200':
          description: ''
      tags:
      - Billing
      summary: Billing controller reconcile
      x-summary-source: derived
components:
  schemas:
    BillingCheckoutDto:
      type: object
      properties:
        plan:
          type: string
          const: starter
          x-nestjs_zod-uses-3-point-1-syntax: true
      required:
      - plan
    ColdEmailDto:
      type: object
      properties:
        tier:
          anyOf:
          - type: string
            enum:
            - cold_email_1k
            - cold_email_25k
          - type: 'null'
          x-nestjs_zod-uses-3-point-1-syntax: true
          x-nestjs_zod-empty-type: true
      required:
      - tier
    AutoTopUpDto:
      type: object
      properties:
        enabled:
          type: boolean
        thresholdUsd:
          type: integer
          minimum: 1
          maximum: 1000
        amountUsd:
          type: integer
          minimum: 5
          maximum: 1000
        monthlyLimitUsd:
          type: integer
          minimum: 5
          maximum: 10000
      required:
      - enabled
      - thresholdUsd
      - amountUsd
      - monthlyLimitUsd
  securitySchemes:
    api-key:
      type: apiKey
      in: header
      name: x-api-key
      description: 'A Kairon API key (Settings → Integrations → API access), sent as `x-api-key`. NOT an `Authorization: Bearer` token — that header belongs to the separate /mcp door and is ignored here.'
    session:
      type: apiKey
      in: cookie
      name: better-auth.session_token