IPQualityScore

IPQualityScore (IPQS) provides real-time fraud prevention and threat intelligence APIs covering proxy/VPN/Tor and IP reputation scoring, email and phone validation, malicious URL and domain scanning, device fingerprinting, transaction risk scoring, and dark-web leaked-data checks. All endpoints are delivered as a simple REST/JSON interface with the API key passed in the request path.

IPQualityScore publishes 6 APIs on the APIs.io network, including Device Fingerprint API, Email Validation API, IP Reputation API, and 3 more. Tagged areas include Fraud Prevention, IP Reputation, Proxy Detection, Email Validation, and Threat Intelligence.

IPQualityScore’s developer surface includes authentication, documentation, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

37.3/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

6 APIs

Fraud Prevention IP Reputation Proxy Detection Email Validation Threat Intelligence

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 37.3/100 · thin

Contract Quality 13.3 / 25

Developer Ergonomics 4.3 / 20

Access Clarity 7.9 / 20

Operational Transparency 4.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/ipqualityscore: 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 6

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

Rate Limits 1

Documented rate limits and quota policies.

Ipqualityscore Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: ipqualityscore
url: https://raw.githubusercontent.com/api-evangelist/ipqualityscore/refs/heads/main/apis.yml
name: IPQualityScore
kind: company
description: IPQualityScore (IPQS) provides real-time fraud prevention and threat intelligence APIs covering proxy/VPN/Tor
  and IP reputation scoring, email and phone validation, malicious URL and domain scanning, device fingerprinting, transaction
  risk scoring, and dark-web leaked-data checks. All endpoints are delivered as a simple REST/JSON interface with the API
  key passed in the request path.
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/ipqualityscore.png
tags:
- Fraud Prevention
- IP Reputation
- Proxy Detection
- Email Validation
- Threat Intelligence
created: '2026-06-25'
modified: '2026-06-25'
specificationVersion: '0.23'
apis:
- aid: ipqualityscore:ipqualityscore-device-fingerprint-api
  name: IPQualityScore Device Fingerprint API
  description: The Device Fingerprint API from IPQualityScore — 1 operation(s) for device fingerprint.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - Device Fingerprint
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-device-fingerprint-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
- aid: ipqualityscore:ipqualityscore-email-validation-api
  name: IPQualityScore Email Validation API
  description: The Email Validation API from IPQualityScore — 1 operation(s) for email validation.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - Email Validation
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-email-validation-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
- aid: ipqualityscore:ipqualityscore-ip-reputation-api
  name: IPQualityScore IP Reputation API
  description: The IP Reputation API from IPQualityScore — 1 operation(s) for ip reputation.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - IP Reputation
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-ip-reputation-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
- aid: ipqualityscore:ipqualityscore-leaked-data-api
  name: IPQualityScore Leaked Data API
  description: The Leaked Data API from IPQualityScore — 1 operation(s) for leaked data.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - Leaked Data
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-leaked-data-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
- aid: ipqualityscore:ipqualityscore-phone-validation-api
  name: IPQualityScore Phone Validation API
  description: The Phone Validation API from IPQualityScore — 1 operation(s) for phone validation.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - Phone Validation
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-phone-validation-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
- aid: ipqualityscore:ipqualityscore-url-scanner-api
  name: IPQualityScore URL Scanner API
  description: The URL Scanner API from IPQualityScore — 1 operation(s) for url scanner.
  humanURL: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  baseURL: https://www.ipqualityscore.com/api/json
  tags:
  - URL Scanner
  properties:
  - type: OpenAPI
    url: openapi/ipqualityscore-url-scanner-api-openapi.yml
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/email-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/email-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/phone-number-validation-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/overview
  - type: APIReference
    url: https://www.ipqualityscore.com/documentation/malicious-url-scanner-api/response-parameters
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/device-fingerprint-api/overview
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/proxy-detection-api/transaction-scoring
  - type: Documentation
    url: https://www.ipqualityscore.com/documentation/dark-web-leak-api/overview
common:
- type: AgenticAccess
  url: agentic-access/ipqualityscore-agentic-access.yml
- type: DomainSecurity
  url: security/ipqualityscore-domain-security.yml
- type: Authentication
  url: authentication/ipqualityscore-authentication.yml
- type: GitHubOrganization
  url: https://github.com/IPQualityScore
- type: LinkedIn
  url: https://www.linkedin.com/company/ipqualityscore
- type: Website
  url: https://www.ipqualityscore.com
- type: Documentation
  url: https://www.ipqualityscore.com/documentation/overview
- type: Plans
  url: plans/ipqualityscore-plans-pricing.yml
- type: RateLimits
  url: rate-limits/ipqualityscore-rate-limits.yml
- type: FinOps
  url: finops/ipqualityscore-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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