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OpenAPI Specification

openapi: 3.2.0
info:
  title: DomainDrift - Continuous Internet Telemetry Changes API
  version: 1.220.0
  description: Continuous internet telemetry across ~809,000 curated domains. DNS, TLS, WHOIS, HTTPS, subdomains, DNSSEC, ASN - every observation Ed25519-signed with provenance receipts. Public alpha.
servers:
- url: https://domaindrift.io
security:
- apiKey: []
tags:
- name: Changes
paths:
  /v1/changes:
    get:
      summary: Global change feed
      description: 'Material infrastructure changes detected across the catalog, from the recent-observation window (last 24h). Two modes: feed (default, newest first) and sync (pass since and/or cursor - ordered (detected_at, id) ascending with keyset pagination for incremental data pulls).'
      parameters:
      - name: limit
        in: query
        schema:
          type: integer
          default: 20
          maximum: 500
        description: Feed mode caps at 100 (default 20); sync mode caps at 500 (default 100)
      - name: domain
        in: query
        schema:
          type: string
        description: Filter to a specific domain
      - name: type
        in: query
        schema:
          type: string
        description: 'Filter by event type, PREFIX match: type=dns matches every dns.* event (dns.ns.changed, dns.a.added, ...); a full type like dns.ns.changed matches exactly. Prefixes: dns, tls, whois, http, subdomain, content.'
      - name: since
        in: query
        schema:
          type: string
          format: date-time
        description: 'Sync mode: return changes with detected_at >= this ISO timestamp, ordered (detected_at, id) ascending. Page forward with next_cursor.'
      - name: cursor
        in: query
        schema:
          type: string
        description: 'Sync mode: opaque keyset cursor (the next_cursor of the previous response). Resumes strictly after the last row of that page.'
      responses:
        '200':
          description: Recent changes
          content:
            application/json:
              schema:
                type: object
                properties:
                  changes:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                        domain:
                          type: string
                        detected_at:
                          type: string
                          format: date-time
                        change_count:
                          type: integer
                        change_summary:
                          type: string
                        changes:
                          type: array
                          items:
                            $ref: '#/components/schemas/DeltaChange'
                  next_cursor:
                    type: string
                    nullable: true
                    description: 'Sync mode only: opaque cursor for the next page, or null when this page is the end. Absent in feed mode.'
        '400':
          description: Unparseable since timestamp or cursor
      tags:
      - Changes
      operationId: getV1Changes
      x-operation-id-source: derived
components:
  schemas:
    DeltaChange:
      type: object
      properties:
        type:
          type: string
          example: dns.ns.changed
        field:
          type: string
          example: dns.ns
        action:
          type: string
          enum:
          - added
          - removed
          - changed
          - warning
        old_value:
          type: string
          nullable: true
        new_value:
          type: string
          nullable: true
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-DomainDrift-Key
      description: 'API key with dd_ prefix (legacy keys and headers are still accepted). Rate limit: 100 req/min per key (default).'