Create Field
Contact Fields
Create Field
Creates or upserts a custom field definition for contacts. Core fields cannot be recreated as custom fields. POST supports idempotency.
POST
Create Field
Documentation Index
Fetch the complete documentation index at: https://docs.brew.new/llms.txt
Use this file to discover all available pages before exploring further.
Authorizations
Send your Brew API key as Authorization: Bearer brew_xxx.
Headers
Optional idempotency key for safe retries. Reusing the same key with the same request body returns the original response for 24 hours.
Required string length:
1 - 100Body
application/json
Custom field name and type.
Response
The field definition was created or updated.
Available options:
true