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OpenAPI Specification

openapi: 3.2.0
info:
  title: Domain Lab Email API
  version: 1.0.0
  description: 'REST API for Domain Lab, a domain-monitoring service. Query monitored domains, plan limits and usage, per-domain alert settings, AI reviews, registrar connections, WHOIS/registration data, SSL certificates, DNS records, email security (SPF, DKIM, DMARC, MTA-STS, TLS reporting, BIMI, DNSSEC) with grades and history, change events, and alert history; add, update, and remove monitored domains. Requires an active subscription or trial. Limits: 120 requests/minute, 50,000 requests/month (adding a domain, rescanning, running an AI review and syncing a registrar connection each count as 5). Every response carries X-RateLimit-Remaining-Minute and X-RateLimit-Remaining-Month headers.'
  contact:
    url: https://www.domainlab.app/help
servers:
- url: https://www.domainlab.app/api/v1
security:
- apiKey: []
tags:
- name: Email
paths:
  /email:
    get:
      operationId: listEmailSecurity
      summary: Email security grade and per-protocol status for every tracked domain, worst…
      description: Grades A-F. rubric is "mail" (has mail servers), "parked" (no mail servers; graded on lock-down) or "unregistered" (not graded). statuses has one of pass, warn, fail, missing, unknown for spf, dkim, dmarc, mx, mta_sts, tls_rpt, bimi, dnssec.
      parameters:
      - name: grade
        in: query
        required: false
        schema:
          type: string
        description: Comma-separated grades to include, e.g. F,D
      responses:
        '200':
          description: '{ domains: [{ domain_id, domain_name, grade, rubric, checked_at, statuses, fix_count, reason, changed_at }], counts: { A, B, C, D, F, not_graded } (all tracked domains), total (after the grade filter), total_tracked }'
        '401':
          description: Missing or invalid API key
        '403':
          description: Account lacks API access (no active subscription or trial)
        '429':
          description: Rate limit or monthly quota exceeded. Respect the Retry-After header. code is RATE_LIMITED (short-lived) or MONTHLY_QUOTA_EXCEEDED (resets next period).
      tags:
      - Email
components:
  securitySchemes:
    apiKey:
      type: http
      scheme: bearer
      description: 'Domain Lab API key (dlb_...), created in Preferences → API. Send as: Authorization: Bearer dlb_...'