Cognism website screenshot

Cognism

Cognism is a B2B sales intelligence platform providing verified emails, mobile numbers (Diamond Data), firmographic data, intent signals, and enrichment. Cognism exposes APIs for enrichment and integration but they are gated and not publicly self-serve; access is granted to enterprise customers via partnerships and integrations.

Cognism publishes 1 API on the APIs.io network. Tagged areas include Sales Intelligence, B2B, Enrichment, Contact Data, and GDPR.

Cognism’s developer surface includes engineering blog and 10 more developer resources.

31.8/100 thin ▲ 9.6 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
1 APIs
Sales IntelligenceB2BEnrichmentContact DataGDPRIntent Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 31.8/100 · thin
Contract Quality 12.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 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
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/cognism: 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 1

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

Cognism Enrichment API

REST API for enriching CRM records with contact and company data, including verified emails, phone numbers, job titles, and firmographics. Available to enterprise Cognism custom...

GraphQL 1

GraphQL schemas published by this provider.

Cognism GraphQL Schema

This conceptual GraphQL schema models the Cognism B2B sales intelligence platform, covering contact enrichment, company data, firmographics, phone and email verification, list m...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Cognism Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Cognism Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

Security Posture 3

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

Cognism Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Cognism Vulnerability Disclosure

disclosure policy published

SECURITY

Cognism Trust Center

SOC 2, ISO 27001

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: cognism
url: https://raw.githubusercontent.com/api-evangelist/cognism/refs/heads/main/apis.yml
name: Cognism
kind: company
description: Cognism is a B2B sales intelligence platform providing verified emails, mobile numbers (Diamond Data), firmographic
  data, intent signals, and enrichment. Cognism exposes APIs for enrichment and integration but they are gated and not publicly
  self-serve; access is granted to enterprise customers via partnerships and integrations.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cognism.png
tags:
- Sales Intelligence
- B2B
- Enrichment
- Contact Data
- GDPR
- Intent Data
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: cognism:enrichment
  name: Cognism Enrichment API
  description: REST API for enriching CRM records with contact and company data, including verified emails, phone numbers,
    job titles, and firmographics. Available to enterprise Cognism customers; endpoints and quotas are configured per contract.
  humanURL: https://www.cognism.com/api
  baseURL: https://api.cognism.com
  tags:
  - Enrichment
  - Contacts
  - Companies
  properties:
  - type: Documentation
    url: https://www.cognism.com/api
  - type: ContactSales
    url: https://www.cognism.com/contact
  - url: graphql/cognism-graphql.md
    type: GraphQL
common:
- type: TrustCenter
  url: security/cognism-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/cognism-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/cognism-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/Cognism
- type: LinkedIn
  url: https://www.linkedin.com/company/cognism
- type: Website
  url: https://www.cognism.com/
- type: DeveloperPortal
  url: https://www.cognism.com/api
- type: Plans
  url: plans/cognism-plans-pricing.yml
- type: RateLimits
  url: rate-limits/cognism-rate-limits.yml
- type: FinOps
  url: finops/cognism-finops.yml
- type: Integrations
  url: https://www.cognism.com/integrations
- url: https://www.cognism.com/blog/rss.xml
  type: Blog
integrations:
- name: cognism-logo-2026
- name: arrow
- name: Salesforce-logo-SF-lightening-partner
- name: zapier
- name: pd-white
- name: OutreachLogo-Horizontal-PassionBlueWhite
- name: hs-white
- name: bullhorn-white
- name: Salesloft-white
- name: ms-dynamics
- name: salesforce-2
- name: HubSpot-Logo
- name: Pipedrive-2
- name: bh-logo
- name: Dynamics-365-logo-1536x864
- name: Salesloft-logo-removebg-preview
- name: OutreachLogo-Horizontal-PassionBlueGrey
- name: Cognism_Infographic 5 (Dark)
- name: Simpleshow---company-logo-white-rectangle-1
- name: Simpleshow-1
- name: lead forensics-3
- name: Lead Forensics
- name: Coralogix---company-logo-white-rectangle
- name: Logos 130x26px_Coralogix (1)
- name: Televerde-logo-transparent-white-1
- name: Televerde-logo-transparent-colour-1
- name: cognism-logo-white
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com