BizAPI website screenshot

BizAPI

BizAPI is a real-time Business Intelligence API from the NAICS Association that provides firmographic data on over 220 million US and international business entities. It enables businesses to enrich CRM records, power customer acquisition workflows, and append NAICS codes, SIC codes, DUNS numbers, company details, sales volume, employee counts, and corporate hierarchy information to any business record via a simple REST API.

BizAPI publishes 1 API on the APIs.io network: Company Search API. Tagged areas include Business Intelligence, Company Data, CRM, Firmographic Data, and NAICS.

The BizAPI catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

BizAPI’s developer surface includes authentication, documentation, signup flow, engineering blog, and 6 more developer resources.

49.8/100 developing ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
1 APIs 6 Features 5 Use Cases
Business IntelligenceCompany DataCRMFirmographic DataNAICSSIC

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 49.8/100 · developing
Contract Quality 19.3 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 8.3 / 12
Discoverability 5.9 / 10
Agent readiness — 37/100 · 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 0 / 8
Request/Response Examples 7 / 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/bizapi: 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.

BizAPI Company Search API

Search for business entity firmographic data

Open Collections 1

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

Pricing Plans 1

Published pricing tiers and plan structures.

Bizapi Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Bizapi Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Features 6

Notable capabilities this provider offers.

Real-Time Firmographic Data

Returns live firmographic data on over 220 million US and international business entities in real time.

NAICS and SIC Classification

Provides 6-digit NAICS codes and 4- and 8-digit SIC codes for industry classification of business entities.

DUNS Number Lookup

Returns D&B DUNS numbers enabling universal business entity identification and credit data linkage.

Corporate Hierarchy

Exposes parent, domestic ultimate, and global ultimate company relationships with DUNS and name fields.

CRM Enrichment

Designed to integrate with CRMs, SFAs, and internal systems to append firmographic data to business records.

Sandbox Test Endpoint

Includes a /cosearchtest endpoint that returns fake data without consuming API credits for development and testing.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Bizapi Context

34 classes · 0 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

BizAPI API Rules

5 rules · 4 warnings 1 info

SPECTRAL

BizAPI API Rules

35 rules · 13 errors 17 warnings 5 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

BizAPI Company

34 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Bizapi Company Structure

34 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Bizapi Company Example

34 fields

EXAMPLE

Security Posture 2

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

Bizapi Authentication

http · 1 scheme

SECURITY

Bizapi Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

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

Bizapi Agentic Access

2 operations · 2 acting

2 operations · 2 acting

AGENTIC

Use Cases 5

What developers build with this provider.

CRM Data Enrichment

Append NAICS codes, DUNS numbers, employee counts, and sales volume to company records in CRM and SFA systems.

Customer Acquisition

Identify and qualify business prospects by searching firmographic data to match against target industry and size criteria.

Market Research

Analyze business landscapes by querying firmographic data across industries, geographies, and corporate hierarchies.

Lead Scoring

Enrich inbound leads with firmographic attributes to power scoring models that prioritize high-value accounts.

Compliance Verification

Verify business identity, location, and corporate hierarchy for compliance and due diligence workflows.

Integrations 4

Pre-built integrations with other platforms and tools.

Salesforce

Integrate BizAPI with Salesforce CRM to auto-append firmographic data to account and lead records.

HubSpot

Enrich HubSpot company records with NAICS, SIC, DUNS, and financial indicators via BizAPI.

Marketo

Append industry classification and company size data to Marketo lead records for segmentation and scoring.

Microsoft Dynamics

Connect BizAPI to Dynamics 365 to surface firmographic context on accounts and contacts.

Resources

Get Started 1

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Access & Security 3

Authentication, authorization, and security posture

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: bizapi
url: https://raw.githubusercontent.com/api-evangelist/bizapi/refs/heads/main/apis.yml
name: BizAPI
description: BizAPI is a real-time Business Intelligence API from the NAICS Association that provides firmographic data on
  over 220 million US and international business entities. It enables businesses to enrich CRM records, power customer acquisition
  workflows, and append NAICS codes, SIC codes, DUNS numbers, company details, sales volume, employee counts, and corporate
  hierarchy information to any business record via a simple REST API.
tags:
- Business Intelligence
- Company Data
- CRM
- Firmographic Data
- NAICS
- SIC
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/bizapi.png
access: 3rd-Party
created: '2025-02-24'
modified: '2026-05-19'
position: Consuming
specificationVersion: '0.19'
apis:
- aid: bizapi:bizapi-company-search-api
  name: BizAPI Company Search API
  description: Search for business entity firmographic data
  humanURL: https://www.naics.com/business-intelligence-api/
  tags:
  - Company Search
  properties:
  - type: OpenAPI
    url: openapi/bizapi-company-search-api-openapi.yml
  - type: Documentation
    url: https://www.naics.com/business-intelligence-api/
  - type: JSONSchema
    url: json-schema/bizapi-company-schema.json
  - type: JSONStructure
    url: json-structure/bizapi-company-structure.json
  - type: JSONLD
    url: json-ld/bizapi-context.jsonld
  - type: Examples
    url: examples/bizapi-company-example.json
common:
- type: AgenticAccess
  url: agentic-access/bizapi-agentic-access.yml
- type: DomainSecurity
  url: security/bizapi-domain-security.yml
- type: Authentication
  url: authentication/bizapi-authentication.yml
- type: Website
  url: https://www.naics.com/
- type: Documentation
  url: https://www.naics.com/business-intelligence-api/
- type: Signup
  url: https://www.naics.com/bizapi-details/
- type: Authentication
  url: https://www.naics.com/business-intelligence-api/
- type: SpectralRules
  url: rules/bizapi-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/bizapi-vocabulary.yaml
- url: https://www.naics.com/feed/
  type: Blog
- type: Features
  data:
  - name: Real-Time Firmographic Data
    description: Returns live firmographic data on over 220 million US and international business entities in real time.
  - name: NAICS and SIC Classification
    description: Provides 6-digit NAICS codes and 4- and 8-digit SIC codes for industry classification of business entities.
  - name: DUNS Number Lookup
    description: Returns D&B DUNS numbers enabling universal business entity identification and credit data linkage.
  - name: Corporate Hierarchy
    description: Exposes parent, domestic ultimate, and global ultimate company relationships with DUNS and name fields.
  - name: CRM Enrichment
    description: Designed to integrate with CRMs, SFAs, and internal systems to append firmographic data to business records.
  - name: Sandbox Test Endpoint
    description: Includes a /cosearchtest endpoint that returns fake data without consuming API credits for development and
      testing.
- type: UseCases
  data:
  - name: CRM Data Enrichment
    description: Append NAICS codes, DUNS numbers, employee counts, and sales volume to company records in CRM and SFA systems.
  - name: Customer Acquisition
    description: Identify and qualify business prospects by searching firmographic data to match against target industry and
      size criteria.
  - name: Market Research
    description: Analyze business landscapes by querying firmographic data across industries, geographies, and corporate hierarchies.
  - name: Lead Scoring
    description: Enrich inbound leads with firmographic attributes to power scoring models that prioritize high-value accounts.
  - name: Compliance Verification
    description: Verify business identity, location, and corporate hierarchy for compliance and due diligence workflows.
- type: Integrations
  data:
  - name: Salesforce
    description: Integrate BizAPI with Salesforce CRM to auto-append firmographic data to account and lead records.
  - name: HubSpot
    description: Enrich HubSpot company records with NAICS, SIC, DUNS, and financial indicators via BizAPI.
  - name: Marketo
    description: Append industry classification and company size data to Marketo lead records for segmentation and scoring.
  - name: Microsoft Dynamics
    description: Connect BizAPI to Dynamics 365 to surface firmographic context on accounts and contacts.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com