Get formation fee estimate
⚠️ Early access — This endpoint is in preview and may change in backwards-incompatible ways before it is marked stable. Avoid depending on it in production, and reach out before building on it.
Get the expected fees for a formation before submitting. Useful for displaying cost upfront or for billing reconciliation.
Fees are broken down by component (base, dynamic, late, credit_card, ach). Only components that apply to the jurisdiction are returned.
Extra inputs. Some jurisdictions price the filing on share count, par value, or authorized capital and need additional query parameters:
authorized_shares— required by DE/MA/MI/VA corporationspar_valueandpar_value_type— required by DE corporationsauthorized_capital— required by DC/MO corporationsexpedited_tier— optional everywhere; surfaces an expedited dynamic-fee component when the state offers expedited processing
When required inputs are missing, the endpoint returns 400 listing them.
Authorizations
Enter your API key in the format: sk_test_xxxxx or sk_live_xxxxx
Query Parameters
Entity type
llc, corporation Jurisdiction (e.g., US-NC)
Expedited processing tier (e.g., 24_hour, same_day, 2_hour, 1_hour). Omit for standard processing.
Number of authorized shares (required by DE/MA/MI/VA corporations)
Par value per share (required by DE corporation)
Par value type, e.g., "with_par_value" or "no_par_value" (required by DE corporation)
Authorized capital (required by DC/MO corporations)
Response
Fee estimate

