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Documentation Index

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Overview

The Registrations API manages formal registrations with government agencies that enable business operations, including tax registrations, payroll accounts, corporate registry access, and trade licenses.

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Core endpoints

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List registrations

Get all registrations for a business entity. 
GET /business-entity/:businessEntityId/registrations
Path parameters
ParameterTypeDescription
businessEntityIdintegerUnique identifier for the business entity
Query parameters
ParameterTypeDescription
extendsstring[]Optional fields to include: credentials
Response 
{
  "registrations": [
    {
      "id": "reg_abc123",
      "type": "INCOME_TAX",
      "country": "US",
      "jurisdiction": "FEDERAL",
      "registrationDate": "2020-01-15",
      "status": "ACTIVE",
      "isDomestic": true,
      "expiryDate": null,
      "governmentIdentifierId": "gi_xyz789",
      "credentials": [...]
    }
  ],
  "count": 1
}

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Get registration

Retrieve a single registration by ID. 
GET /business-entity/:businessEntityId/registrations/:registrationId
Path parameters
ParameterTypeDescription
businessEntityIdintegerBusiness entity ID
registrationIdstringRegistration ID
Query parameters
ParameterTypeDescription
extendsstring[]Optional fields to include: credentials
Response 
{
  "registration": {
    "id": "reg_abc123",
    "type": "INCOME_TAX",
    "country": "US",
    "jurisdiction": "FEDERAL",
    "registrationDate": "2020-01-15",
    "status": "ACTIVE",
    "isDomestic": true,
    "expiryDate": null,
    "governmentIdentifierId": "gi_xyz789",
    "credentials": [
      {
        "id": "cred_123",
        "name": "IRS e-Services"
      }
    ]
  }
}

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Create registration

Add a new registration to a business entity. 
POST /business-entity/:businessEntityId/registrations
Path parameters
ParameterTypeDescription
businessEntityIdintegerBusiness entity ID
Request body 
{
  "type": "INCOME_TAX",
  "country": "US",
  "jurisdiction": "FEDERAL",
  "registrationDate": "2020-01-15",
  "status": "ACTIVE",
  "isDomestic": true,
  "governmentIdentifierId": "gi_xyz789"
}
Response 
{
  "registration": {
    "id": "reg_abc123"
  }
}

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Update registration

Update an existing registration. 
POST /business-entity/:businessEntityId/registrations/:registrationId
Path parameters
ParameterTypeDescription
businessEntityIdintegerBusiness entity ID
registrationIdstringRegistration ID
Request body 
{
  "status": "INACTIVE",
  "expiryDate": "2025-12-31",
  "registrationDate": "2020-01-15"
}
Response Returns 200 OK on success.

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Delete registration

Remove a registration from a business entity. 
DELETE /business-entity/:businessEntityId/registrations/:registrationId
Path parameters
ParameterTypeDescription
businessEntityIdintegerBusiness entity ID
registrationIdstringRegistration ID
Response Returns 204 No Content on success.

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Supported registrations

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Get supported registrations

Get all registration types available for a business entity or country. 
GET /business-entity/registrations/supportedRegistrations
Query parameters
ParameterTypeDescription
businessEntityIdintegerFilter by business entity (optional)
countrystringFilter by country code (optional)
Response 
{
  "supportedRegistrations": [
    {
      "type": "INCOME_TAX",
      "displayName": "Federal Income Tax",
      "description": "IRS federal income tax registration",
      "country": "US",
      "jurisdiction": "FEDERAL",
      "requiredIdentifiers": ["EIN"],
      "isExpirable": false,
      "purpose": "TAXATION"
    }
  ],
  "count": 1
}

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Get supported registrations for entity

Get registration types available for a specific business entity. 
GET /business-entity/:businessEntityId/registrations/supportedRegistrations
Path parameters
ParameterTypeDescription
businessEntityIdintegerBusiness entity ID
Response Same format as above, filtered by the entity’s incorporation country and jurisdiction.

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Registration types

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Formation

Company registration with corporate registry:
  • US: Secretary of State registration
  • UK: Companies House registration
  • India: ROC (Registrar of Companies) registration
  • Singapore: ACRA registration

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Income tax

Federal/national tax identification:
  • US: IRS federal income tax
  • UK: HMRC Corporation Tax
  • India: Income Tax Department
  • Canada: CRA corporate income tax

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Indirect tax

VAT/GST/sales tax registration:
  • US: State sales tax permits
  • UK: VAT registration
  • India: GST registration
  • Singapore: GST registration
  • UAE: VAT registration

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Payroll

Employer withholding and unemployment insurance:
  • US: State withholding tax, unemployment insurance
  • UK: PAYE registration
  • India: Professional Tax, ESI, EPF
  • Singapore: CPF registration

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Social security

Employee benefit programs:
  • US: Social Security Administration
  • India: ESIC, EPFO
  • Singapore: CPF Board

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Trade

Import/export licenses:
  • US: Customs and Border Protection
  • India: Import Export Code (IEC)
  • UAE: Trade license

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Corporate registry

Access credentials for filing systems:
  • US: State business portals
  • UK: Companies House WebFiling
  • India: MCA portal
  • Singapore: BizFile+

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Registration status

StatusDescription
ACTIVERegistration is current and valid
INACTIVERegistration has been deactivated
PENDINGRegistration application in progress
EXPIREDRegistration has expired (for expirable types)
SUSPENDEDRegistration temporarily suspended by authority

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Domestic vs foreign registrations

  • Domestic: For entities formed in the jurisdiction (e.g., Delaware corporation registering in Delaware)
  • Foreign: For entities qualified to do business from another jurisdiction (e.g., Delaware corporation registering in California)

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Linking credentials

Associate portal access credentials with registrations: 
POST /business-entity/:businessEntityId/registrations/:registrationId/credential/:credentialId
This links a credential to a specific registration, enabling automated filing and compliance workflows.