Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/cloudmersive-validate: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Cloudmersive Validate

Validate email addresses, phone numbers, VAT numbers and domain names

Cloudmersive Validate

Validate international phone numbers

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Cloudmersive Validate Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

Website

Website

Website

Website

Other 1

Properties that don't map to a standard resource type

PublicAPIsListing

PublicAPIsListing

Source (apis.yml)

aid: cloudmersive-validate
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cloudmersive-validate.png
name: Cloudmersive Validate
description: Validate email addresses, phone numbers, VAT numbers and domain names
url: https://cloudmersive.com/validate-api
specificationVersion: '0.23'
created: '2026-05-28'
modified: '2026-05-28'
x-source: public-apis/public-apis
x-category: Email
x-tier: 3
x-tier-reason: bulk-registered-from-public-apis
tags:
- Email
- Public APIs
apis:
- name: Cloudmersive Validate
  description: Validate email addresses, phone numbers, VAT numbers and domain names
  humanURL: https://cloudmersive.com/validate-api
  baseURL: https://cloudmersive.com/validate-api
  tags:
  - Email
  properties:
  - type: Documentation
    url: https://cloudmersive.com/validate-api
- name: Cloudmersive Validate
  description: Validate international phone numbers
  humanURL: https://cloudmersive.com/phone-number-validation-API
  baseURL: https://cloudmersive.com/phone-number-validation-API
  tags:
  - Phone
  properties:
  - type: Documentation
    url: https://cloudmersive.com/phone-number-validation-API
common:
- type: DomainSecurity
  url: security/cloudmersive-validate-domain-security.yml
- type: Website
  url: https://cloudmersive.com/validate-api
- type: PublicAPIsListing
  url: https://github.com/public-apis/public-apis
- type: Website
  url: https://cloudmersive.com/phone-number-validation-API
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-parent: cloudmersive
x-relationship: product

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