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Customer.io pricing: tiers, seat costs, and hidden fees

Short answer

Customer.io is a behavioral messaging platform starting at $100 per month for 5,000 profiles and 1 million emails on the Essentials plan.

Last verified: 2026-05-17 Model: month Official pricing

Public pricing tiers

TierMonthlyAnnual monthly equivalentNotes
Essentials $100 month $100 month 5,000 profiles, 1 million emails per month, 2 object types, billed monthly.
Premium $1,000 month $1,000 month Custom volumes, 10 object types, billed yearly; emails billed at $0.12 per 1,000 over baseline.

Customer.io cost calculator

$100 / month

For 10 seats on Essentials, current public pricing implies $100 per month when annual pricing is available, or $100 month-to-month.

Hidden fees and quote risks

  • Additional profiles cost $0.009 each above the included tier
  • Extra emails billed at $0.12 per 1,000 above the included volume
  • AI credits cost $10 per 100,000 credits on Essentials and Premium

Enterprise notes

Enterprise pricing is fully custom with negotiated volumes and dedicated professional services available on top of the platform fee.

Closest alternatives

Other behavioral messaging platform tools buyers shortlist when they compare Customer.io.

Braze Not yet covered
Iterable Not yet covered
Klaviyo Email and SMS marketing
Marketo Not yet covered

Sources

Pricing changes frequently. Confirm directly with the vendor before purchase.

Frequently asked questions

How much does Customer.io cost?

Customer.io pricing depends on its Profile and email-volume tiered. The page lists public tiers and flags custom or usage-based items that require vendor confirmation.

What is the main hidden fee risk for Customer.io?

Additional profiles cost $0.009 each above the included tier

Which Customer.io alternatives should buyers compare?

Braze, Iterable, Klaviyo, Marketo are the closest alternatives most procurement teams compare against Customer.io.