Create a contact field
A field gives a shape to an attribute: a date can be compared with today in a segment, a number with another number. An attribute sent for a subscriber under a key that has no field creates a text field by itself.
POST
Create a contact field
Authorizations
An API token. The "read" ability: GET routes only. "read + write": every route.
Headers
Replay a write safely: the same key gives back the first answer for 24 hours (header Idempotent-Replay: true).
Maximum string length:
255Body
application/json
Response
Field created.