Updated 2026-02-16

Best Email Marketing Tools for Credit-Based Pricing SaaS

Keep credits flowing. Automate balance alerts, encourage top-ups, and help users get the most from every credit.

Credit-based pricing adds a layer of communication that subscription SaaS does not have. Your users buy credits, spend them on actions, and need to buy more when they run low. Every step of this cycle needs email support: purchase confirmations, balance alerts, expiration warnings, and usage summaries. Miss any of these and you get frustrated users who run out of credits mid-task, or abandoned accounts with expired credits. Here are the tools that handle credit-based communication.

Why Credit-Based SaaS Needs Email Marketing

Balance Alerts Prevent Disruption

Users running out of credits mid-task is a terrible experience. Automated alerts at key thresholds (50%, 25%, 10%) give users time to top up before they hit zero.

Top-Up Reminders Drive Revenue

Credit balances approaching zero are natural purchase triggers. Timely top-up reminders convert because the user has demonstrated demand through their consumption.

Expiration Warnings Reduce Frustration

If credits expire, users need advance warning. Surprise expiration is the fastest way to lose a credit-based customer. Automated warnings at 30, 7, and 1 day before expiration are essential.

Usage Insights Drive Engagement

Showing users how they spent their credits and what they accomplished builds a clear connection between credits purchased and value received. This justifies future purchases.

7 Best Email Marketing Tools for Credit-Based Pricing SaaS

Our Top Pick for Credit-Based Pricing SaaS
#1
Sequenzy

Email marketing with event-driven automation and native payment integrations.

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Best for
Credit-based SaaS wanting automated balance alerts with payment integration
Pricing
$29/month for 50,000 emails

Pros

  • Event-driven balance alert triggers
  • Native Stripe integration for credit purchases
  • AI generates credit-specific sequences
  • Pay per email aligns with credit-based model

Cons

  • Newer platform with smaller community
  • No built-in credit balance tracking
  • Template library still growing
#2
Customer.io

Event-driven messaging with advanced attribute-based automation.

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Best for
Credit-based SaaS with complex consumption patterns and multiple credit types
Pricing
$100/month for 5,000 profiles

Pros

  • Attribute-based balance tracking
  • Complex conditional workflows
  • Pattern-based messaging

Cons

  • Expensive starting price
  • Complex to configure
  • No native payment integration
#3
Loops

Modern email platform for SaaS with event-based automations.

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Best for
Credit-based SaaS wanting clean event-based credit communication
Pricing
Free up to 1,000 contacts, then $49/month

Pros

  • Clean event-based automation
  • Easy to set up credit alerts
  • Combined transactional and marketing

Cons

  • Per-contact pricing
  • Limited conditional logic
  • No native payment integration
#4
Resend

Developer-first email API for credit notifications.

Visit
Best for
Technical teams building custom credit notification systems
Pricing
Free for 3,000 emails/month, then $20/month

Pros

  • Excellent for transactional credit alerts
  • Dynamic templates for balance summaries
  • Per-email pricing

Cons

  • No marketing automation
  • Must build all logic yourself
  • No re-engagement sequences
#5
ActiveCampaign

Advanced automation with conditional workflows.

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Best for
Credit-based SaaS with a growth team that can configure complex automation
Pricing
$29/month for 1,000 contacts

Pros

  • Custom field-based balance tracking
  • Complex conditional automation
  • CRM for purchase history

Cons

  • Complex to configure for credit models
  • Per-contact pricing
  • Not designed for credit-based pricing
#6
Postmark

Reliable transactional email for critical credit notifications.

Visit
Best for
Credit-based SaaS where instant alert delivery is critical
Pricing
$15/month for 10,000 emails

Pros

  • Fastest delivery for critical alerts
  • Best deliverability
  • Simple API

Cons

  • No marketing automation
  • No re-engagement sequences
  • Need a second tool
#7
Brevo

Affordable all-in-one marketing platform.

Visit
Best for
Early-stage credit-based SaaS on a budget
Pricing
Free for 300 emails/day, paid from $9/month

Pros

  • Very affordable
  • Basic automation via Zapier
  • Free tier for early stage

Cons

  • Basic automation logic
  • Not designed for credit models
  • Limited event handling

Feature Comparison

FeatureSequenzyCustomer.ioLoopsPostmark
Balance alert triggers
Via events
Attribute-based
Via events
API trigger
Payment integration
Native Stripe
No
No
No
Expiration warnings
Via sequences
Via workflows
Via events
API trigger
Usage summaries
Via templates
Yes
Yes
No
Top-up campaigns
Yes
Yes
Yes
No
Delivery speed
Good
Good
Good
Fastest
Starting price
$29/mo
$100/mo
$49/mo
$15/mo

Email Sequences Every Credit-Based Pricing SaaS Needs

These are the essential automated email sequences that will help you grow your business and keep clients coming back.

Credit Balance Alert Sequence

Trigger: Credit balance drops below thresholds

Keep users informed about their credit balance and make top-ups easy.

At 50% of credits
Credit update: you have used half your balance

Informational update showing credits remaining and usage patterns. Link to usage dashboard and top-up page.

At 25% of credits
Your credits are getting low

Clear alert with remaining balance and estimated days until depletion based on recent usage. Suggest top-up options.

At 10% of credits
Almost out of credits - top up to avoid interruption

Urgent alert with one-click top-up link. Show what happens when credits run out (service pauses, features limited, etc.).

At zero credits
You are out of credits

Immediate notification with what was affected. One-click top-up to restore service. Show recent usage to contextualize the depletion.

Credit Expiration Warning

Trigger: Credits approaching expiration date

Warn users before credits expire and suggest ways to use them.

30 days before expiration
Your credits expire in 30 days - here is how to use them

Reminder with expiration date, remaining balance, and suggested uses. Help them get value from credits they have already purchased.

7 days before expiration
7 days left on your credits

Urgent reminder with specific suggestions for using remaining credits. Include a link to export or use credits immediately.

1 day before expiration
Your credits expire tomorrow

Final warning. One-click link to use remaining credits. Consider offering a conversion to a different credit package if applicable.

Credit-Based Pricing Needs Credit-Based Communication

Credit-based pricing creates a consumption cycle that is fundamentally different from subscriptions. Users buy credits, use them, and need to buy more. Every point in this cycle is an email opportunity. Purchase confirmations build confidence. Balance alerts prevent frustration. Usage summaries demonstrate value. Top-up reminders drive revenue.

The companies that do credit-based email well treat every communication as a service to the user. A balance alert is not a sales pitch for more credits. It is a helpful heads-up that prevents their workflow from getting disrupted. This service mindset builds the trust that leads to repeat purchases.

The Expiration Communication Challenge

Credit expiration is one of the most sensitive email topics in SaaS. Users paid real money for those credits. Letting them expire without adequate warning feels like theft to the user, even if it is in the terms of service.

The solution is aggressive advance warning paired with genuine suggestions for using remaining credits. Start notifications 30 days before expiration. At each warning interval, include specific use cases tailored to their product usage. If a user has 50 credits expiring and they typically use them for report generation, suggest running the reports they have been meaning to get to.

Making the Top-Up Decision Easy

The top-up decision should feel automatic, not deliberate. The best credit-based SaaS companies make recharging so frictionless that users barely think about it. One-click top-up links in balance alerts. Auto-recharge options at configurable thresholds. Volume discounts that match observed usage patterns.

Email is the nudge that triggers these decisions. A well-timed balance alert with a one-click top-up link converts because the user is already in the mindset of using the product. They do not want to stop what they are doing to figure out purchasing. Make it effortless and they will keep buying.

Frequently Asked Questions

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Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses subscriber-based pricing. You only pay for subscribers active in sequences (automations). Inactive subscribers are free to store.

All Pricing Tiers

  • 0-100 subscribers: Free (Free annually) - 3k emails/month
  • 101-1,000 subscribers: $19/month ($205/year annually) - 15k emails/month
  • 1,001-5,000 subscribers: $29/month ($313/year annually) - 60k emails/month
  • 5,001-10,000 subscribers: $49/month ($529/year annually) - 120k emails/month
  • 10,001-25,000 subscribers: $99/month ($1069/year annually) - 300k emails/month
  • 25,001-50,000 subscribers: $199/month ($2149/year annually) - 600k emails/month
  • 50,001-100,000 subscribers: $349/month ($3769/year annually) - 1.2M emails/month
  • 100,000+ subscribers: Custom pricing (Custom annually) - Unlimited emails/month

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

Paid Plan Features (1,000 - 100,000 subscribers)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • Full REST API access
  • Custom sending domain

Enterprise Plan Features (100,000+ subscribers)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

Important Pricing Notes

  • You only pay for subscribers who are active in automations/sequences
  • Storing inactive subscribers is free
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com