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OpenAPI Specification

openapi: 3.2.0
info:
  title: KaiCalls Public Business API
  version: '2026-06-05'
  description: Machine-readable surface for KaiCalls external developers and client agents.
servers:
- url: https://www.kaicalls.com/api
security:
- bearerAuth: []
tags:
- name: Business
paths:
  /v1/business/profile:
    get:
      summary: Public, unauthenticated lookup of a KaiCalls business's services, hours…
      parameters:
      - name: handle
        in: query
        required: true
        schema:
          type: string
        description: Business ID (UUID) or the business's public phone number.
      responses:
        '200':
          description: Business profile
        '400':
          description: Missing or invalid handle
        '404':
          description: No business found for that handle
        '429':
          description: Rate limited
      tags:
      - Business
      operationId: getV1BusinessProfile
      x-operation-id-source: derived
  /v1/business/phone:
    post:
      summary: Change the number a business's assistants give to callers (agents:write).
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - business_id
              - phone
              properties:
                business_id:
                  type: string
                phone:
                  type: string
                  description: New caller-facing phone number.
                redeploy:
                  type: boolean
                  default: true
                  description: Recompile every assigned assistant's prompt with the new number.
                reason:
                  type: string
                  description: Why the number changed (audit trail).
      responses:
        '200':
          description: Phone updated, with per-assistant redeploy results
        '400':
          description: Missing business_id or invalid phone
        '403':
          description: Missing scope or no access to this business
        '404':
          description: Business not found
      x-required-scopes: agents:write
      tags:
      - Business
      operationId: postV1BusinessPhone
      x-operation-id-source: derived
  /v1/business/agent-card:
    get:
      summary: Public, unauthenticated A2A agent.json-shaped capability card for a KaiCalls…
      parameters:
      - name: handle
        in: query
        required: true
        schema:
          type: string
        description: Business ID (UUID) or the business's public phone number.
      responses:
        '200':
          description: Agent capability card
        '400':
          description: Missing or invalid handle
        '404':
          description: No business found for that handle
        '429':
          description: Rate limited
      tags:
      - Business
      operationId: getV1BusinessAgentCard
      x-operation-id-source: derived
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'KaiCalls API key. Per-operation scope requirements are published on each operation as `x-required-scopes` — a scope string, or a nested `{ allOf: [...] }` / `{ anyOf: [...] }` expression. An operation with no `x-required-scopes` requires a valid key but no particular scope.'
      x-scopes:
      - workspaces:read
      - workspaces:write
      - numbers:read
      - numbers:write
      - agents:read
      - agents:write
      - communication-runs:read
      - communication-runs:write
      - calls:read
      - calls:write
      - sms:read
      - sms:write
      - webhooks:read
      - webhooks:write
      - events:read
      - events:replay
      - lifecycle:write
      - leads:read
      - leads:write
      - emails:read
      - emails:write
      - sdr:read
      - sdr:write
      - evals:read
      - evals:write
      - appointments:read
      - appointments:write
      - knowledge:read
      - knowledge:write
      - products:read
      - products:write
      - integrations:write
      - approvals:write
      - concierge:write
      - billing:read
      - billing:write
      - call_evidence:read
      - call_evidence:write
      - support:write
    sessionAuth:
      type: apiKey
      in: cookie
      name: sb-access-token
      description: Authenticated dashboard session cookie. Used by first-party flows that mint or manage API keys.