Valimail

Valimail is an email authentication platform that automates DMARC enforcement to stop phishing, spoofing, and brand impersonation. Its Monitor, Enforce, Amplify, and Align products give organizations visibility into every service sending on their domains and manage SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT at scale. Valimail publishes REST APIs — a DMARC Configuration API, a partner Account Management API, and a Reporting Data API — secured with bearer tokens, plus SCIM 2.0 user provisioning and Ed25519-signed webhooks. The platform is FedRAMP LI-SaaS authorized and SOC 2 Type II certified.

Valimail publishes 15 APIs on the APIs.io network, including Accounts API, Authentication API, DKIMs by Domain API, and 12 more. Tagged areas include Email Authentication, DMARC, Email Security, SPF, and DKIM.

The Valimail catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Valimail’s developer surface includes developer portal, documentation, API reference, getting-started guide, support, engineering blog, pricing, and 27 more developer resources.

🌐 Visit website 📡 Source on GitHub
58.6/100 developing ▬ flat Agent 75/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
16 APIs 1 MCP Servers
Email AuthenticationDMARCEmail SecuritySPFDKIMBIMIMTA-STSAnti-PhishingDeliverabilityCybersecurity

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 58.6/100 · developing
Contract Quality 14.6 / 25
Developer Ergonomics 14.8 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 7.2 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 75/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/valimail: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 16

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

Valimail Reporting Data API

Retrieve email authentication metrics, sender reports, and unidentified sender reports for compliance dashboards and security insights. Documented for customers in the Valimail ...

Valimail Accounts API

The Accounts API from Valimail — 4 operation(s) for accounts.

Valimail Authentication API

The Authentication API from Valimail — 1 operation(s) for authentication.

Valimail DKIMs by Domain API

The DKIMs by Domain API from Valimail — 2 operation(s) for dkims by domain.

Valimail DKIMs by Sender API

The DKIMs by Sender API from Valimail — 2 operation(s) for dkims by sender.

Valimail Domains API

The Domains API from Valimail — 2 operation(s) for domains.

Valimail MTA-STS Policy API

The MTA-STS Policy API from Valimail — 2 operation(s) for mta-sts policy.

Valimail MTA-STS Policy Reports API

The MTA-STS Policy Reports API from Valimail — 3 operation(s) for mta-sts policy reports.

Valimail Netblocks API

The Netblocks API from Valimail — 2 operation(s) for netblocks.

Valimail Portfolios API

The Portfolios API from Valimail — 1 operation(s) for portfolios.

Valimail SCIM API

The SCIM API from Valimail — 2 operation(s) for scim.

Valimail Senders API

The Senders API from Valimail — 3 operation(s) for senders.

Valimail SSO API

The SSO API from Valimail — 1 operation(s) for sso.

Valimail TLS Configuration API

The TLS Configuration API from Valimail — 2 operation(s) for tls configuration.

Valimail Users API

The Users API from Valimail — 4 operation(s) for users.

Valimail Webhooks API

The Webhooks API from Valimail — 1 operation(s) for webhooks.

Scroll for all 16

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

valimail-mcp.yml

MCP SERVER

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Valimail Webhooks

ASYNCAPI

Security Posture 4

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

Valimail Authentication

http · 1 scheme

SECURITY

Valimail Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Valimail Vulnerability Disclosure

contact published

SECURITY

Valimail Trust Center

SOC 2 Type II, SOC 3, FedRAMP LI-SaaS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Valimail Agentic Access

57 operations · 29 acting · 1 human-in-the-loop

57 operations · 29 acting

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted
 Login
Login
 Sandbox
Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgentSkill
AgentSkill
 AgenticAccess
AgenticAccess

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Lifecycle
Lifecycle
 Conformance
Conformance
 ErrorCatalog
ErrorCatalog
 Conventions
Conventions
 Webhooks
Webhooks
 DataModel
DataModel

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages

Access & Security 6

Authentication, authorization, and security posture

Authentication
Authentication
 Security
Security
 VulnerabilityDisclosure
VulnerabilityDisclosure
 TrustCenter
TrustCenter
 Compliance
Compliance
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 ChangeLog
ChangeLog

Commercial 4

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy
 APITermsOfUse
APITermsOfUse

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: valimail
name: Valimail
description: Valimail is an email authentication platform that automates DMARC enforcement to stop phishing, spoofing, and
  brand impersonation. Its Monitor, Enforce, Amplify, and Align products give organizations visibility into every service
  sending on their domains and manage SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT at scale. Valimail publishes REST APIs
  — a DMARC Configuration API, a partner Account Management API, and a Reporting Data API — secured with bearer tokens, plus
  SCIM 2.0 user provisioning and Ed25519-signed webhooks. The platform is FedRAMP LI-SaaS authorized and SOC 2 Type II certified.
url: https://raw.githubusercontent.com/api-evangelist/valimail/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bloomberg-beta
- insight-partners
x-tier: profile
x-tier-reason: enriched-from-portfolio-lead
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
image: https://api.valimail.com/images/sites/valimail/favicon_64.png
tags:
- Email Authentication
- DMARC
- Email Security
- SPF
- DKIM
- BIMI
- MTA-STS
- Anti-Phishing
- Deliverability
- Cybersecurity
apis:
- name: Valimail Reporting Data API
  description: Retrieve email authentication metrics, sender reports, and unidentified sender reports for compliance dashboards
    and security insights. Documented for customers in the Valimail help center; credentials are issued per API key with Reporting
    API access. No public machine-readable spec is published.
  humanURL: https://support.valimail.com/en/articles/10911206-api-overview
  baseURL: https://api.valimail.com
  tags:
  - Reporting
  - DMARC
  - Analytics
  properties:
  - type: Documentation
    url: https://support.valimail.com/en/articles/10582146-generating-reports-or-dashboards-via-api
- aid: valimail:valimail-accounts-api
  name: Valimail Accounts API
  description: The Accounts API from Valimail — 4 operation(s) for accounts.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/valimail-accounts-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-authentication-api
  name: Valimail Authentication API
  description: The Authentication API from Valimail — 1 operation(s) for authentication.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/valimail-authentication-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-dkims-by-domain-api
  name: Valimail DKIMs by Domain API
  description: The DKIMs by Domain API from Valimail — 2 operation(s) for dkims by domain.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - DKIMs by Domain
  properties:
  - type: OpenAPI
    url: openapi/valimail-dkims-by-domain-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-dkims-by-sender-api
  name: Valimail DKIMs by Sender API
  description: The DKIMs by Sender API from Valimail — 2 operation(s) for dkims by sender.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - DKIMs by Sender
  properties:
  - type: OpenAPI
    url: openapi/valimail-dkims-by-sender-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-domains-api
  name: Valimail Domains API
  description: The Domains API from Valimail — 2 operation(s) for domains.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Domains
  properties:
  - type: OpenAPI
    url: openapi/valimail-domains-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-mta-sts-policy-api
  name: Valimail MTA-STS Policy API
  description: The MTA-STS Policy API from Valimail — 2 operation(s) for mta-sts policy.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - MTA-STS Policy
  properties:
  - type: OpenAPI
    url: openapi/valimail-mta-sts-policy-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-mta-sts-policy-reports-api
  name: Valimail MTA-STS Policy Reports API
  description: The MTA-STS Policy Reports API from Valimail — 3 operation(s) for mta-sts policy reports.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - MTA-STS Policy Reports
  properties:
  - type: OpenAPI
    url: openapi/valimail-mta-sts-policy-reports-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-netblocks-api
  name: Valimail Netblocks API
  description: The Netblocks API from Valimail — 2 operation(s) for netblocks.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Netblocks
  properties:
  - type: OpenAPI
    url: openapi/valimail-netblocks-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-portfolios-api
  name: Valimail Portfolios API
  description: The Portfolios API from Valimail — 1 operation(s) for portfolios.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Portfolios
  properties:
  - type: OpenAPI
    url: openapi/valimail-portfolios-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-scim-api
  name: Valimail SCIM API
  description: The SCIM API from Valimail — 2 operation(s) for scim.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - SCIM
  properties:
  - type: OpenAPI
    url: openapi/valimail-scim-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-senders-api
  name: Valimail Senders API
  description: The Senders API from Valimail — 3 operation(s) for senders.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Senders
  properties:
  - type: OpenAPI
    url: openapi/valimail-senders-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-sso-api
  name: Valimail SSO API
  description: The SSO API from Valimail — 1 operation(s) for sso.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - SSO
  properties:
  - type: OpenAPI
    url: openapi/valimail-sso-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-tls-configuration-api
  name: Valimail TLS Configuration API
  description: The TLS Configuration API from Valimail — 2 operation(s) for tls configuration.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - TLS Configuration
  properties:
  - type: OpenAPI
    url: openapi/valimail-tls-configuration-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-users-api
  name: Valimail Users API
  description: The Users API from Valimail — 4 operation(s) for users.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/valimail-users-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
- aid: valimail:valimail-webhooks-api
  name: Valimail Webhooks API
  description: The Webhooks API from Valimail — 1 operation(s) for webhooks.
  humanURL: https://api.valimail.com/docs/config.html
  baseURL: https://api.valimail.com
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/valimail-webhooks-api-openapi.yml
  - type: APIReference
    url: https://api.valimail.com/docs/config.html
  - type: APIReference
    url: https://api.valimail.com/docs/account.html
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.valimail.com/
- type: Portal
  url: https://app.valimail.com
- type: Documentation
  url: https://support.valimail.com/en/collections/6449843-learn-more-about-our-apis
- type: APIReference
  url: https://api.valimail.com/docs/config.html
- type: GettingStarted
  url: https://support.valimail.com/en/articles/10580387-requesting-api-access
- type: Support
  url: https://support.valimail.com/en/
- type: Blog
  url: https://www.valimail.com/blog/
- type: GitHubOrganization
  url: https://github.com/ValiMail
- type: Pricing
  url: https://www.valimail.com/pricing/
- type: Login
  url: https://app.valimail.com/auth/users/sign_in
- type: TermsOfService
  url: https://www.valimail.com/legal/terms-conditions/
- type: PrivacyPolicy
  url: https://www.valimail.com/legal/privacy/
- type: StatusPage
  url: https://status.valimail.com
- type: ChangeLog
  url: changelog/valimail-changelog.yml
- type: Lifecycle
  url: lifecycle/valimail-lifecycle.yml
- type: Authentication
  url: authentication/valimail-authentication.yml
- type: Security
  url: https://security.valimail.com/
- type: VulnerabilityDisclosure
  url: security/valimail-vulnerability-disclosure.yml
- type: TrustCenter
  url: security/valimail-trust-center.yml
- type: Compliance
  url: https://security.valimail.com/
- type: DomainSecurity
  url: security/valimail-domain-security.yml
- type: Conformance
  url: conformance/valimail-conformance.yml
- type: ErrorCatalog
  url: errors/valimail-problem-types.yml
- type: Conventions
  url: conventions/valimail-conventions.yml
- type: Sandbox
  url: sandbox/valimail-sandbox.yml
- type: Packages
  url: packages/valimail-packages.yml
- type: MCPServer
  url: mcp/valimail-mcp.yml
- type: LLMsTxt
  url: llms/valimail-llms.txt
- type: WellKnown
  url: well-known/valimail-well-known.yml
- type: Webhooks
  url: asyncapi/valimail-webhooks.yml
- type: DataModel
  url: data-model/valimail-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: AgenticAccess
  url: agentic-access/valimail-agentic-access.yml
- type: APITermsOfUse
  url: https://www.valimail.com/api-terms-of-use/
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 25
  pass: local-v1