Bulk update subscriber custom field values

documented

Bulk update custom field values for subscribers.

POST /v4/bulk/custom_fields/subscribersCustom Fieldsno implementation yet0 runs

Input

email_address*

Subscriber email address

user@example.com

first_name

Subscriber first name

John

last_name

Subscriber last name

Doe

birthday

Birthday

YYYY-MM-DD

source

Source

landing page

role

Role

Software engineer

company

Company

Acme Co.

postal_code

Postal code

83702

website

Website

https://example.com

social_media

Social media

https://linkedin.com/company/kit

hear_about

How did you hear about us?

Social media

interests

Interests

Monetization

callback_url

Callback URL (optional)

https://example.com/kit-bulk-callback

Calls Kit as you (your API key is your account); keychains.dev holds the credentials.