latestOpenAPI 3.1.02026-08-183475125.9 KB

ae58c064a7af

Discover custom data availability and schema

Whether custom data is enabled for the calling account, and the schema of the exposed fields. Safe capability probe: a key without custom data receives 200 with custom_data_enabled: false, never 403. Call this before using the custom-data endpoints.

get/v1/custom-data/fields

Response

Capability flag and field schema

custom_data_enabledboolean required

source_integration'salesforce' | 'hubspot'

Present when enabled

total_recordsinteger

Estimated record count (present when enabled)

messagestring

Present when not enabled