Trulioo
Trulioo Business Verification API

Know Your Business (KYB) API for verifying legal entities, retrieving business registration data from official registries, listing officers and persons of significant control, and downloading business reports. Supports search-then-verify flows by name, registration number, and jurisdiction of incorporation.
Trulioo Business Verification API is one of 7 APIs that Trulioo publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 2 machine-runnable capabilities that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko and 1 JSON Schema definition.
Tagged areas include KYB, Business Verification, Business Search, Business Reports, and Jurisdiction Of Incorporation. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, 2 Naftiko capability specs, and 1 JSON Schema.
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.1.0
info:
  title: Trulioo Business Verification API
  description: >
    Know Your Business (KYB) API for verifying legal entities, retrieving
    business registration data, and downloading business reports.
    Supports searching businesses by name and registration number, verifying
    a business record, and pulling the underlying registry document.
  version: "3.0"
  contact:
    name: Trulioo Support
    url: https://developer.trulioo.com
    email: [email protected]
externalDocs:
  description: KYB - Business Verification
  url: https://developer.trulioo.com/reference/kyb-business-verification
servers:
  - url: https://api.trulioo.com
    description: Production
security:
  - BasicAuth: []
  - OAuth2: []
tags:
  - name: Business Search
    description: Search the Trulioo business registry universe.
  - name: Business Verification
    description: Verify a business and retrieve its registration record.
  - name: Business Reports
    description: Download business reports.
  - name: Business Configuration
    description: Discover JOIs and registration number requirements.
paths:
  /v3/business/search:
    post:
      summary: Business Search
      description: >
        Search for a business by name, registration number, and
        jurisdiction-of-incorporation. Returns candidate matches with
        confidence scores.
      operationId: businessSearch
      tags:
        - Business Search
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessSearchRequest'
      responses:
        "200":
          description: Business search response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BusinessSearchResponse'
  /v3/business/verify:
    post:
      summary: Business Verify
      description: >
        Verify a specific business by registration number and jurisdiction.
        Returns the canonical record plus officers, addresses, and other
        registry-supplied fields.
      operationId: businessVerify
      tags:
        - Business Verification
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessVerifyRequest'
      responses:
        "200":
          description: Business verify result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BusinessVerifyResult'
  /v3/business/search/transactionrecord/{transactionRecordId}:
    get:
      summary: Get Business Search Result
      description: Retrieve a previously executed Business Search by transaction ID.
      operationId: getBusinessSearchResult
      tags:
        - Business Search
      parameters:
        - $ref: '#/components/parameters/TransactionRecordId'
      responses:
        "200":
          description: Business search response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BusinessSearchResponse'
  /v3/business/report/{transactionRecordId}:
    get:
      summary: Get Business Report
      description: Download the business registration document/report associated with a transaction.
      operationId: getBusinessReport
      tags:
        - Business Reports
      parameters:
        - $ref: '#/components/parameters/TransactionRecordId'
        - name: additionalData
          in: query
          required: false
          schema:
            type: boolean
            default: false
      responses:
        "200":
          description: Report payload.
          content:
            application/pdf:
              schema:
                type: string
                format: binary
            application/json:
              schema:
                $ref: '#/components/schemas/DownloadDocument'
  /v3/business/countryJOI:
    get:
      summary: Get All Jurisdictions Of Incorporation
      description: List all supported jurisdictions of incorporation across all countries.
      operationId: getAllJurisdictionsOfIncorporation
      tags:
        - Business Configuration
      responses:
        "200":
          description: List of country/subdivision JOIs.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CountrySubdivision'
  /v3/business/countryJOI/{countryCode}:
    get:
      summary: Get Jurisdictions Of Incorporation Per Country
      description: List the supported jurisdictions of incorporation within a single country.
      operationId: getJurisdictionsOfIncorporationPerCountry
      tags:
        - Business Configuration
      parameters:
        - $ref: '#/components/parameters/CountryCode'
      responses:
        "200":
          description: List of JOIs for the country.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CountrySubdivision'
  /v3/business/businessregistrationnumbers:
    get:
      summary: Get Business Registration Numbers For All Supported Countries
      description: List business registration number types for every supported country.
      operationId: getAllBusinessRegistrationNumbers
      tags:
        - Business Configuration
      responses:
        "200":
          description: List of registration number metadata.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/BusinessRegistrationNumber'
  /v3/business/businessregistrationnumbers/{countryCode}:
    get:
      summary: Get Business Registration Numbers By Country
      description: List business registration number types for one country.
      operationId: getBusinessRegistrationNumbersByCountry
      tags:
        - Business Configuration
      parameters:
        - $ref: '#/components/parameters/CountryCode'
      responses:
        "200":
          description: List of registration number metadata.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/BusinessRegistrationNumber'
components:
  securitySchemes:
    BasicAuth:
      type: http
      scheme: basic
    OAuth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://auth-api.trulioo.com/connect/token
          scopes: {}
  parameters:
    TransactionRecordId:
      name: transactionRecordId
      in: path
      required: true
      schema:
        type: string
        format: uuid
    CountryCode:
      name: countryCode
      in: path
      required: true
      schema:
        type: string
        minLength: 2
        maxLength: 2
  schemas:
    BusinessSearchRequest:
      type: object
      required:
        - AcceptTruliooTermsAndConditions
        - ConfigurationName
        - CountryCode
        - BusinessSearchInputFields
      properties:
        AcceptTruliooTermsAndConditions:
          type: boolean
        ConfigurationName:
          type: string
        CountryCode:
          type: string
        JurisdictionOfIncorporation:
          type: string
        BusinessSearchInputFields:
          $ref: '#/components/schemas/BusinessInputFields'
    BusinessVerifyRequest:
      type: object
      required:
        - AcceptTruliooTermsAndConditions
        - ConfigurationName
        - CountryCode
        - BusinessSearchInputFields
      properties:
        AcceptTruliooTermsAndConditions:
          type: boolean
        ConfigurationName:
          type: string
        CountryCode:
          type: string
        JurisdictionOfIncorporation:
          type: string
        BusinessSearchInputFields:
          $ref: '#/components/schemas/BusinessInputFields'
    BusinessInputFields:
      type: object
      properties:
        BusinessName:
          type: string
        BusinessRegistrationNumber:
          type: string
        JurisdictionOfIncorporation:
          type: string
    BusinessSearchResponse:
      type: object
      properties:
        TransactionID:
          type: string
        Results:
          type: array
          items:
            $ref: '#/components/schemas/BusinessRecord'
    BusinessRecord:
      type: object
      properties:
        BusinessName:
          type: string
        BusinessRegistrationNumber:
          type: string
        JurisdictionOfIncorporation:
          type: string
        Status:
          type: string
        ConfidenceScore:
          type: number
    BusinessVerifyResult:
      type: object
      properties:
        TransactionID:
          type: string
        Record:
          $ref: '#/components/schemas/BusinessRecord'
        Officers:
          type: array
          items:
            type: object
            additionalProperties: true
    CountrySubdivision:
      type: object
      properties:
        Name:
          type: string
        Code:
          type: string
    BusinessRegistrationNumber:
      type: object
      properties:
        CountryCode:
          type: string
        JurisdictionOfIncorporation:
          type: string
        RegistrationNumberType:
          type: string
        Description:
          type: string
    DownloadDocument:
      type: object
      properties:
        Document:
          type: string
          format: byte
        ContentType:
          type: string
Trulioo Business Verification API

Documentation

Specifications

Schemas & Data

Other Resources

OpenAPI Specification
