Customer.io | heap.page

What it does

Key features to help you decide whether this provider fits your needs.

Marketing platform for sending automated emails, push notifications, and SMS messages

Check before you buyConfirm the approved allowance, eligibility and renewal terms with the vendor before using paid services.

Offers

Compare the benefit, eligibility, and application steps for each offer. Last checked Oct 2, 2026.

1 year free with Customer.io through Mercury Perks
1 year free
Eligibility
Mercury customers; New customers only Your business has raised less than $2 million in total funding Contact lists cannot be purchased
How to access
Available to eligible Mercury customers
View offer
Mercury Perks
Customer.io: Essentials free for up to twelve months
Approved teams receive Customer.io Essentials with up to 30,000 profiles for up to twelve months. The approved term and messaging allowances can vary; check overage and renewal pricing before importing contacts.
Eligibility
New company accounts that have never been Customer.io customers and have less than $10M in funding. Purchased contact lists do not qualify.
How to access
Apply through the official program page with company details; vendor approval and eligibility are required.
View offer
Customer.io official program · Checked Oct 2, 2026

What users say

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