Change a contact field
The key never changes: templates and segments call the field by it. Changing the type rewrites, in the background, what every contact holds under that key into the new shape; a value that cannot be read as the new type is left as it was.
PATCH
Change 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:
255Path Parameters
The field's identifier (uuid).
Response
Field changed.