generated: '2026-07-19'
method: probed
source: >-
  Live DNS/TLS/HTTP probes of letitrain.com plus the Internet Archive capture
  http://web.archive.org/web/20191214093714/https://letitrain.com/
status: defunct
summary: >-
  letitrain.com was the corporate domain of The Rainmaker Group Ventures, LLC, a
  hospitality revenue- and profit-optimization software vendor. The brand has been
  retired: the domain now serves a blanket 302 redirect to https://www.cendyn.com/,
  the acquiring company, and no Rainmaker-branded product surface remains online.
company:
  legal_name: The Rainmaker Group Ventures, LLC
  brand: Rainmaker
  headquarters: 4550 North Point Parkway, Suite 400, Alpharetta, GA 30022 (Atlanta)
  offices:
  - Atlanta, GA (HQ)
  - Las Vegas, NV
  - Singapore
  - Dubai, UAE
  products:
  - name: guestrev
    description: transient pricing / revenue management
  - name: grouprev
    description: group pricing and evaluation
  - name: revintel
    description: business intelligence and reporting
  evidence: http://web.archive.org/web/20191214093714/https://letitrain.com/
successor:
  name: Cendyn
  url: https://www.cendyn.com/
  evidence: 302 redirect from every probed path on letitrain.com
timeline:
- date: '2019-12-14'
  event: >-
    Last verified live capture of the Rainmaker product site at letitrain.com
    (Internet Archive), marketing guestrev / grouprev / revintel.
  source: http://web.archive.org/web/20191214093714/https://letitrain.com/
- date: '2022-12-06'
  event: TLS certificate for *.letitrain.com (GoDaddy, issued 2021-11-04) expired and was not renewed.
  source: live TLS probe of letitrain.com:443
- date: '2026-07-19'
  event: >-
    Probed: letitrain.com resolves (198.91.42.43, Cloudflare NS) and 302s every path
    to https://www.cendyn.com/. HTTPS is unusable due to the expired certificate.
  source: live HTTP/TLS probe
api_surface:
  present: false
  evidence: >-
    An Internet Archive CDX enumeration of 3,520 distinct captured letitrain.com URLs
    returned no developer portal, API reference, OpenAPI/Swagger document, or SDK path.
    The site was a marketing and resource-center property only. The successor's
    developer.cendyn.com and docs.cendyn.com subdomains both redirect to a maintenance
    placeholder.
versioning_policy: null
deprecation_policy: null
sunset_headers: null
sla: null
status_page: null