Customer.io
Customer.io additional emails usage cost
$0.00012 per email (published as $0.12 per 1k). Additional email sends at $0.12 per 1,000 after plan inclusions (Essentials includes about 1M emails/mo). Same published overage rate is listed for Premium.

Estimate cost
- Published unit price
- $0.00012
- Estimated cost
- $0.12
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost at different volumes
Cost of Customer.io additional emails from light use to heavy use. The middle rows are there so you are not jumping from 10 to 100 with nothing in between.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.00012 |
| 10 | $0.0012 |
| 25 | $0.003 |
| 50 | $0.006 |
| 100 | $0.012 |
| 250 | $0.03 |
| 500 | $0.06 |
| 1,000 | $0.12 |
| 2,500 | $0.3 |
| 5,000 | $0.6 |
| 10,000 | $1.20 |
| 25,000 | $3.00 |
| 50,000 | $6.00 |
| 100,000 | $12.00 |
| 250,000 | $30.00 |
| 500,000 | $60.00 |
| 1,000,000 | $120.00 |
| 5,000,000 | $600.00 |
| 10,000,000 | $1,200.00 |
At these rates
- The published rate is $0.00012 per email.
- One thousand units cost $0.12; 100,000 units cost $12.00 before allowances, tiers, or other billing components.
- A $100 budget covers about 833,333 units at this linear rate.
The calculator applies the published unit rate in a straight line. Included quotas, tiers, minimums, regional charges, and other billing lines can change the total.