Nightfall AI website screenshot

Nightfall AI

Nightfall AI is a data security platform that specializes in identifying and protecting sensitive information within an organization. By utilizing machine learning technology, Nightfall AI can automatically scan files, emails, and messages to detect and classify sensitive data such as credit card numbers, social security numbers, and personal addresses.

Nightfall AI publishes 2 APIs on the APIs.io network: Scan API and Scans API. Tagged areas include Artificial Intelligence, Privacy, and Sensitive Data.

Nightfall AI’s developer surface includes authentication, getting-started guide, pricing, FAQ, signup flow, engineering blog, and 27 more developer resources.

🌐 Visit website 📡 Source on GitHub
48.6/100 developing ▬ flat Agent 34/100 agent ready Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
2 APIs
Artificial IntelligencePrivacySensitive Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 48.6/100 · developing
Contract Quality 14.4 / 25
Developer Ergonomics 6.1 / 20
Commercial Clarity 18.4 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 34/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/nightfall-ai: 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 2

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

Nightfall AI Scan API

The Scan API from Nightfall AI — 1 operation(s) for scan.

Nightfall AI Scans API

The Scans API from Nightfall AI — 1 operation(s) for scans.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Nightfall AI

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Nightfall Ai Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Nightfall Ai Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Nightfall Ai Finops

FINOPS

Security Posture 4

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

Nightfall Ai Authentication

apiKey · 1 scheme

SECURITY

Nightfall Ai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Nightfall Ai Vulnerability Disclosure

disclosure policy published

SECURITY

Nightfall Ai Trust Center

SOC 2, HIPAA

SECURITY

Agentic Access 1

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

Nightfall Ai Agentic Access

1 operation · 1 acting

1 operations · 1 acting

AGENTIC

Resources

Get Started 6

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted
 Signup
Signup
 Login
Login
 GettingStarted
GettingStarted
 Signup
Signup
 Login
Login

Documentation 2

Reference material describing how the API behaves

Guide
Guide
 Guide
Guide

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

ErrorCodes
ErrorCodes
 ErrorCodes
ErrorCodes

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 SDKs
SDKs
 SDKs
SDKs

Access & Security 6

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication
 Authentication
Authentication
 Authentication
Authentication

Operate 2

Status, limits, changes, and where to get help

FAQ
FAQ
 FAQ
FAQ

Commercial 6

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy
 Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 5

The organization behind the API

LinkedIn
LinkedIn
 Blog
Blog
 Partners
Partners
 Blog
Blog
 Partners
Partners

Source (apis.yml)

apis.yml Raw ↑ 
aid: nightfall-ai
url: https://raw.githubusercontent.com/api-evangelist/nightfall-ai/refs/heads/main/apis.yml
apis:
- aid: nightfall-ai:nightfall-ai-scan-api
  name: Nightfall AI Scan API
  description: The Scan API from Nightfall AI — 1 operation(s) for scan.
  humanURL: https://www.nightfall.ai/
  tags:
  - Scan
  properties:
  - type: OpenAPI
    url: openapi/nightfall-ai-scan-api-openapi.yml
- aid: nightfall-ai:nightfall-ai-scans-api
  name: Nightfall AI Scans API
  description: The Scans API from Nightfall AI — 1 operation(s) for scans.
  humanURL: https://www.nightfall.ai/
  tags:
  - Scans
  properties:
  - type: OpenAPI
    url: openapi/nightfall-ai-scans-api-openapi.yml
name: Nightfall AI
tags:
- Artificial Intelligence
- Privacy
- Sensitive Data
kind: contract
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/nightfall-ai.png
access: 3rd-Party
common:
- type: AgenticAccess
  url: agentic-access/nightfall-ai-agentic-access.yml
- type: TrustCenter
  url: security/nightfall-ai-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/nightfall-ai-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/nightfall-ai-domain-security.yml
- type: Authentication
  url: authentication/nightfall-ai-authentication.yml
- type: GitHubOrganization
  url: https://github.com/nightfallai
- type: LinkedIn
  url: https://www.linkedin.com/company/nightfall-ai
- url: https://help.nightfall.ai/firewall-for-ai/introduction/quickstart
  name: Quickstart
  type: GettingStarted
- url: https://help.nightfall.ai/firewall-for-ai/introduction/use-cases
  name: Use Cases
  type: UseCases
- url: '

    https://help.nightfall.ai/firewall-for-ai/introduction/authentication-and-security'
  name: Authentication and Security
  type: Authentication
- url: https://help.nightfall.ai/firewall-for-ai/introduction/pricing
  name: Pricing
  type: Pricing
- url: https://help.nightfall.ai/firewall-for-ai/key-concepts/errors
  name: Errors
  type: ErrorCodes
- url: '

    https://help.nightfall.ai/firewall-for-ai/nightfall-software-development-kit-sdk/nightfall-sdks'
  name: Nightfall SDKs
  type: SDKs
- url: https://help.nightfall.ai/firewall-for-ai/faqs
  name: FAQs
  type: FAQ
- url: '

    https://auth.nightfall.ai/login?state=hKFo2SBZVWhXZU50OHN6MkQ4aVRMcHgwMVVBQ3A4ZjYwYzVKcKFupWxvZ2luo3RpZNkgUXktZzBrbExsU0Z1SnozR2R2MWdKRE5fTElpV1dUb1CjY2lk2SBwdVFNaGtoMUNzMnJyYjJOS05FSzZERzRPVThvMlloag&client=puQMhkh1Cs2rrb2NKNEK6DG4OU8o2Yhj&protocol=oauth2&response_type=token%20id_token&redirect_uri=https%3A%2F%2Fapp.nightfall.ai%2Fauthenticate&scope=openid%20profile%20email&audience=https%3A%2F%2Fapi.watchtower.ai%2F&nonce=r_2LyEabd0pmGjzB8Qc8Ne75dfNCCthB&auth0Client=eyJuYW1lIjoiYXV0aDAuanMiLCJ2ZXJzaW9uIjoiOS4xMy4yIn0%3D'
  name: Sign In
  type: Signup
- url: https://www.nightfall.ai/terms
  name: Terms
  type: TermsOfService
- url: https://www.nightfall.ai/privacy
  name: Privacy
  type: PrivacyPolicy
- url: https://www.nightfall.ai/blog
  name: Blog
  type: Blog
- url: https://www.nightfall.ai/guides
  name: Guides
  type: Guide
- url: https://www.nightfall.ai/partners
  name: Partners
  type: Partners
- url: https://auth.nightfall.ai/login
  name: Login
  type: Login
- url: https://help.nightfall.ai/firewall-for-ai/introduction/quickstart
  name: Quickstart | Firewall for AI
  type: GettingStarted
- url: https://help.nightfall.ai/firewall-for-ai/introduction/use-cases
  name: Use Cases | Firewall for AI
  type: UseCases
- url: '

    https://help.nightfall.ai/firewall-for-ai/introduction/authentication-and-security'
  name: Authentication and Security | Firewall for AI
  type: Authentication
- url: https://help.nightfall.ai/firewall-for-ai/introduction/pricing
  name: Pricing | Firewall for AI
  type: Pricing
- url: https://help.nightfall.ai/firewall-for-ai/key-concepts/errors
  name: Errors | Firewall for AI
  type: ErrorCodes
- url: '

    https://help.nightfall.ai/firewall-for-ai/nightfall-software-development-kit-sdk/nightfall-sdks'
  name: Nightfall SDKs | Firewall for AI
  type: SDKs
- url: https://help.nightfall.ai/firewall-for-ai/faqs
  name: FAQs | Firewall for AI
  type: FAQ
- url: '

    https://auth.nightfall.ai/login?state=hKFo2SBZVWhXZU50OHN6MkQ4aVRMcHgwMVVBQ3A4ZjYwYzVKcKFupWxvZ2luo3RpZNkgUXktZzBrbExsU0Z1SnozR2R2MWdKRE5fTElpV1dUb1CjY2lk2SBwdVFNaGtoMUNzMnJyYjJOS05FSzZERzRPVThvMlloag&client=puQMhkh1Cs2rrb2NKNEK6DG4OU8o2Yhj&protocol=oauth2&response_type=token%20id_token&redirect_uri=https%3A%2F%2Fapp.nightfall.ai%2Fauthenticate&scope=openid%20profile%20email&audience=https%3A%2F%2Fapi.watchtower.ai%2F&nonce=r_2LyEabd0pmGjzB8Qc8Ne75dfNCCthB&auth0Client=eyJuYW1lIjoiYXV0aDAuanMiLCJ2ZXJzaW9uIjoiOS4xMy4yIn0%3D'
  name: Sign In
  type: Signup
- url: https://www.nightfall.ai/terms
  name: Terms | Nightfall AI
  type: TermsOfService
- url: https://www.nightfall.ai/privacy
  name: Privacy | Nightfall AI
  type: PrivacyPolicy
- url: https://www.nightfall.ai/blog
  name: Nightfall Blog and Resources | Nightfall AI
  type: Blog
- url: https://www.nightfall.ai/guides
  name: Data Leak Prevention (DLP) Guides | Nightfall AI
  type: Guide
- url: https://www.nightfall.ai/partners
  name: Partner with the Leader in Cloud DLP | Nightfall AI
  type: Partners
- url: '

    https://auth.nightfall.ai/login?state=hKFo2SBMeEttUHRKV0ZlU2xNQlhOZzdCS2p6MVZ4VDhBRVJyT6FupWxvZ2luo3RpZNkgcndRclA2bXNZbWFIZV9Pa3pTNUFiSzdVYnotTW5ibGqjY2lk2SBwdVFNaGtoMUNzMnJyYjJOS05FSzZERzRPVThvMlloag&client=puQMhkh1Cs2rrb2NKNEK6DG4OU8o2Yhj&protocol=oauth2&response_type=token%20id_token&redirect_uri=https%3A%2F%2Fapp.nightfall.ai%2Fauthenticate&scope=openid%20profile%20email&audience=https%3A%2F%2Fapi.watchtower.ai%2F&nonce=ZhCQOut2VDDBFN1hyjHNP7CDlD0XNM4&auth0Client=eyJuYW1lIjoiYXV0aDAuanMiLCJ2ZXJzaW9uIjoiOS4xMy4yIn0%3D'
  name: Sign In
  type: Login
created: '2024-07-02T00:00:00.000Z'
modified: '2026-05-19'
position: Consuming
description: Nightfall AI is a data security platform that specializes in identifying and protecting sensitive information
  within an organization. By utilizing machine learning technology, Nightfall AI can automatically scan files, emails, and
  messages to detect and classify sensitive data such as credit card numbers, social security numbers, and personal addresses.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'