https://api.heypoplar.com/v1/mailing/
campaign_id
full_name
Current Resident
for use on the address blockfirst_name
last_name
address_1
address_2
city
state
postal_code
email
Authorization
key and set the Bearer <Your API Key>
(make sure to also replace the <>)Content-type
for the key, then application/json
for the value.