Create media billing entity (admin)
Create a media billing entity. An org’s FIRST entity always becomes PRIMARY (the mandatory backstop every media-transacting org must have) regardless of isPrimary. Admin-only.
Authorizations
API key or access token
Body
Create a media billing entity — a legal entity Scope3 invoices for media spend.
Legal name of the media billing entity (e.g. "WPP South Africa (Pty) Ltd").
1 - 255Country of the billing entity, as an ISO 3166-1 alpha-2 code. Metadata only — drives tax treatment and bank/address formatting, never invoice routing (money-streams.md §6.4).
^[A-Z]{2}$"US"
ISO 4217 currency code
^[A-Z]{3}$"USD"
Invoicing contact email(s) for this entity. At least one is required.
1 - 20 elements^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$Entity street address, line 1.
1 - 255Entity city.
1 - 128Entity postal/ZIP code.
1 - 32Entity street address, line 2 (optional).
255Entity state/province/region (optional).
128Tax identifier for this entity (e.g. VAT number, EIN), when applicable.
64Set true to make this the org's PRIMARY media billing entity (the mandatory backstop every media-transacting org must have), demoting any other primary entity. Omit to leave the current primary/non-primary status unchanged. An org's FIRST entity always becomes primary regardless of this field.
Response
Create media billing entity (admin)
A media billing entity — a legal entity Scope3 invoices for media spend.