Skip to main content
POST
Apply for an EIN

Authorizations

Authorization
string
header
required

Enter your API key in the format: sk_test_xxxxx or sk_live_xxxxx

Body

application/json
business_id
string<uuid>
required

Business ID of a business you previously vaulted with Palm.

Example:

"987e6543-e21a-45b6-c789-012345678901"

responsible_party
object
required

Responsible party for the entity

reason
enum<string>
required

Reason for applying

Available options:
started_new_business,
hired_employees,
banking_purposes,
changed_organization_type,
purchased_business,
created_trust,
created_pension_plan,
withholding_compliance,
other
Example:

"started_new_business"

fiscal_year_end_month
integer
required

Closing month of accounting year. 1-12, most entities use 12 for calendar year.

Required range: 1 <= x <= 12
Example:

12

expected_employee_count
object
required

Highest number of employees expected in next 12 months by category

principal_activity
object
required

Principal activity category, matching the IRS online EIN flow. Pick the one that best describes the business:

  • accommodations: hotels, motels, casino hotels
  • construction: contractors and construction trades
  • finance: banks, brokers, lenders, investment and advisory firms
  • food_service: restaurants, bars, catering, coffee/ice-cream shops
  • health_care: physicians, dentists, hospitals, clinics, mental-health practitioners
  • insurance: insurance carriers, agents, and brokers
  • manufacturing: producing goods from raw materials
  • real_estate: renting, building, selling, or managing property
  • rental_and_leasing: renting or leasing real estate or goods
  • retail: selling goods to consumers (online, storefront, direct, auction)
  • social_assistance: nursing homes, shelters, youth services
  • transportation: moving cargo or passengers
  • warehousing: storage and warehousing
  • wholesale: selling goods to businesses for resale
  • other: anything not covered above (consulting, repair, services, etc.)

The object is discriminated by category; each category carries its own follow-up fields.

principal_activity_detail
string
required

Free-text description of the principal line of merchandise sold, products produced, or services provided (IRS Form SS-4, line 17).

Example:

"Software consulting services"

has_previous_ein
boolean
required

Has the entity previously applied for and received an EIN?

Example:

false

reason_detail
string

Details for the reason. Required if reason is "other".

Example:

"Compliance with state reporting requirements"

wage_date
string<date>

Date wages will first be paid. Required if total expected employees > 0.

Example:

"2026-04-01"

previous_ein
string

Previous EIN if applicable. Required if has_previous_ein is true.

Example:

"12-3456789"

trade_name
string

Trade name / DBA if different from legal name

Example:

"Acme Trading Co"

form_944_election
boolean

Elect to file Form 944 annually instead of Form 941 quarterly. Applies if expected annual employment tax liability is $1,000 or less.

Example:

false

llc_member_count
integer

Number of members in the LLC — the IRS EIN application asks this for every LLC, so it is required when the referenced business is an LLC. When it is 2 and the business is physically located in a community property state (AZ, CA, ID, LA, NM, NV, TX, WA, WI), members_are_married_couple is required.

Required range: x >= 1
Example:

1

members_are_married_couple
boolean

Whether the two LLC members are married to each other. Required when llc_member_count is 2 and the business is physically located in a community property state (AZ, CA, ID, LA, NM, NV, TX, WA, WI), where the IRS EIN application asks whether the members are husband and wife.

Example:

false

llc_classification
enum<string>

Federal tax classification election for a married-couple LLC in a community property state (Rev. Proc. 2002-69): treat the LLC as single-member (disregarded entity) or multi-member (partnership). Required if members_are_married_couple is true.

Available options:
single_member,
multi_member
Example:

"single_member"

metadata
object

Partner-defined metadata

Example:

Response

EIN filing created

id
string<uuid>
required

Unique identifier for the resource

Example:

"123e4567-e89b-12d3-a456-426614174000"

object
enum<string>
required

Object type

Available options:
filing
Example:

"filing"

mode
enum<string>
required

Whether this resource was created with test or live credentials. Test and live data are fully isolated — a test resource never appears in live results and vice versa.

Available options:
test,
live
Example:

"live"

created_at
string<date-time>
required

ISO 8601 timestamp of when the resource was created

Example:

"2025-10-24T10:30:00Z"

updated_at
string<date-time>
required

ISO 8601 timestamp of when the resource was last updated

Example:

"2025-10-24T15:45:00Z"

metadata
object
required

Store up to 50 custom key-value pairs for application-specific data. Useful for storing references to external systems, feature flags, or other custom attributes.

Example:
type
enum<string>
required

Filing type

Available options:
formation,
ein,
amendment,
scorp_election
status
enum<string>
required

Current status

Available options:
queued,
ready_to_file,
processing,
filed,
completed,
rejected,
canceled,
failed
entity_type
enum<string>

Entity type (for formations)

Available options:
llc,
pllc,
corporation,
pcorporation
jurisdiction
string

Jurisdiction (ISO 3166-2)

Example:

"US-NC"

name
string

Business name for the filing

Example:

"Acme Holdings LLC"

expedited_tier
string

Expedited processing tier requested for this filing, or null for standard processing. Only set on formations submitted with an expedited_tier.

Example:

"same_day"

business_id
string<uuid>

Linked business ID

result
object

Filing result — populated on completion, null until then. Shape depends on the filing type: formation → { registration_number, formation_date }; EIN → { ein_number, entity_name }. Other filing types have no result.

parent_filing_id
string<uuid>

Parent filing ID (for bundled EIN/RA)

Bundle of obligations tracked under this formation, each with its own object type and status: filings (state registration, EIN) and the registered agent (id is the business, resolvable at GET /business/:id/registered-agent).

documents
object[]

Documents associated with this filing

fee
object | null

Fee components keyed by type (base, dynamic, late, credit_card, ach), plus a convenience total grand total (assumes credit-card payment). Only present components are included. When items is set, it lists each evaluated rule for itemized rendering — the component-keyed values are the sums across those items.

status_reason
string

Reason the filing was canceled (partner request, parent off-boarded, duplicate, etc.). Only present when status is canceled.

canceled_by
string

Role that initiated the cancellation. One of: partner, palm. Only present when status is canceled.

canceled_at
string<date-time>

Timestamp the filing was canceled

cases
object[]

Cases attached to this filing. One entry per partner-visible case, in chronological order. Each case carries a typed request payload describing what Palm needs and, once submitted, a typed response. Partners respond via POST /v1/case/:case_id/response. An entry with status=needs_response is an outstanding ask — its presence is the signal that the filing needs partner action.