Customer.io for Startups
Up to 12 months in the Customer.io Startup Program, including up to 30,000 customer profiles at no cost, for startups that have raised under $10 million.
Customer.io for Startups offers Up to 12 months free, up to 30,000 profiles to bootstrapped, pre-seed, seed startups, no VC referral required. Review takes 2–7 business days.
At a glance
About
Customer.io gives eligible startups up to 12 months in its Startup Program, including up to 30,000 customer profiles at no cost. Profiles beyond 30,000 are billed at $0.007 per additional profile.
Your business must have raised less than $10 million in total funding, your contact lists must be obtained through standard methods and not purchased, and you must be a new customer. No referral or accelerator is required.
After you apply, you create a Customer.io trial account with the same email address. The 14-day trial starts immediately, and approved benefits begin automatically after it ends.
Tiers
- Raised less than $10M in total funding
- Contact lists not purchased
- New Customer.io customer
Eligibility
- Raised less than $10M in total funding
- Contact lists obtained through standard methods, not purchased
- Not currently and never a Customer.io customer
- Existing or former Customer.io customer
- Purchased email lists
How to apply
- 1
- 2Create a trialCreate your Customer.io trial account using the same email address as the application.
- 3Wait for reviewReview time varies, from a couple of days to about a week. Benefits begin automatically after the 14-day trial ends.
What else you get
- Email, SMS, and push messaging
- Marketing automation and transactional messaging
- Up to 30,000 customer profiles at no cost
- $0.007 per profile beyond 30,000
What credits cover (and don't)
- Customer.io Startup plan
- Premium plan features (Data Pipelines, Audience Insights)
Tactical tips
- Tip 1.Use the same email address for the application and the trial account.
- Tip 2.Clean, organic list hygiene is a hard requirement, do not apply with purchased lists.
- Tip 3.If you have already started a trial, apply with that account's email address.
Common rejection reasons
- Purchased lists
- >$10M raised
- Prior paid customer
Frequently asked about Customer.io for Startups
Is Customer.io for Startups free to apply?
Yes. Applying to Customer.io for Startups does not cost anything and does not require giving up equity. Some programs require a payment method on file that activates only after credits are consumed or expire, check the program detail page for specifics.
How long does Customer.io for Startups take to review applications?
Processing times are shown on the program detail page. Most programs reply within 1–3 weeks. Self-serve tiers (like AWS Activate Founders) can approve in 2–7 days; partner-referred tiers (like AWS Activate Portfolio) usually take 5–10 days.
Can I combine Customer.io for Startups with other startup programs?
Most programs stack. The "Stacks well with" section on each detail page lists commonly combined programs. A few important exceptions: if you already claimed AWS credits via Brex or Mercury, your direct AWS Activate amount may be reduced.
What is the most common reason applications to Customer.io get rejected?
The top rejection reasons are (1) using a personal Gmail/Outlook address instead of a company domain, (2) having a thin or placeholder website, and (3) mismatched information between the application and Crunchbase/Pitchbook. The tips section on the program page details program-specific factors.