Skip to content
ZeroBill
Back to all offers
Customer.io

Customer messaging, journeys, and engagement automation.

Customer.io startup messaging access

Eligible new startups get up to 12 months of Customer.io with Essentials features and up to 30,000 customer profiles at no cost.

Claim on customer.io

Verified 30 Sept 2026

Who can get this

Does not require incorporation

Does not require funding

Does not require a partner referral

Less than $10 million in total funding

Never a Customer.io customer

Use organically obtained contact lists, not purchased lists

Available in
Worldwide
Company stage
Any stage

Neither current nor past customers qualify. Contact acquisition must meet the provider's standards. Funding is capped but outside investment is not stated as mandatory.

How to redeem

  1. 1

    Check eligibility

    Check funding, customer history, and contact-list acquisition.

    Open provider page
  2. 2

    Apply

    Use the startup signup linked on the official page and create an account when prompted.

    Open provider page
  3. 3

    Activate the benefit

    Confirm the approved term, profile allowance, and billing after the program.

    Open provider page

Worth knowing

  • The approved duration is up to 12 months and depends on application eligibility.
  • The allowance covers up to 30,000 profiles; confirm any messaging or overage limits.
  • Continued use after the program requires an appropriate plan; no credit card is required to join.
Official terms

Report a problem

Customer.io

Customer.io startup messaging access

We’ll review the offer and update it if needed.