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OpenAPI Specification

openapi: 3.2.0
info:
  title: KaiCalls Public Email Approvals 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: Email Approvals
paths:
  /v1/email-approvals:
    get:
      summary: List queued lead-email drafts awaiting human approval for a business…
      parameters:
      - name: business_id
        in: query
        required: true
        schema:
          type: string
      - name: status
        in: query
        required: false
        schema:
          type: string
      - name: lead_id
        in: query
        required: false
        schema:
          type: string
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 200
          default: 50
      responses:
        '200':
          description: Email approval queue list
      x-required-scopes: emails:read
      tags:
      - Email Approvals
      operationId: getV1EmailApprovals
      x-operation-id-source: derived
    post:
      summary: Queue an agent-drafted email as a pending row for human approval (emails:write).
      responses:
        '200':
          description: 'Draft queued and sent (send: true)'
        '201':
          description: Draft queued for approval
        '400':
          description: 'Malformed body, no usable recipient email, or send: true without approval_note'
        '403':
          description: 'Missing emails:write scope, lead in another business, or send: true from a caller who is not an owner/admin'
        '404':
          description: Lead not found
        '409':
          description: A pending draft already exists for this lead
      x-required-scopes: emails:write
      tags:
      - Email Approvals
      operationId: postV1EmailApprovals
      x-operation-id-source: derived
    patch:
      summary: 'Approve and send an already-queued pending draft (emails:write): body { id…'
      responses:
        '200':
          description: Draft sent
        '400':
          description: Missing id, action other than send, or missing approval_note
        '403':
          description: Missing emails:write scope, business not on this key, or caller is not an owner/admin
        '404':
          description: Draft not found
        '409':
          description: Draft is no longer pending, its subject/body/recipient changed, or the recipient opted out
        '502':
          description: Delivery could not be confirmed; do not resend
      x-required-scopes: emails:write
      tags:
      - Email Approvals
      operationId: patchV1EmailApprovals
      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.