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21 Comments

Story behind building an off-session charging

A few weeks back, one of our customers came up with a requirement for off-session charging.

They are running an AI product that works purely on credits.

Once a customer runs out of credits, they want to charge them $10 and add 1,000 credits to their account.

In a typical SaaS product, off-session charging was not a mandatory thing because most SaaS products were designed to be sold for a fixed monthly charge.

But that is not the case anymore.

Now, with the rise of AI products, people subscribe to a product, and companies want to charge their customers whenever they run out of credits.

Now Kelviq completely supports off-session charging. Merchants can charge their customers and add credits to their accounts without going through the checkout flow, just by using the customer's saved payment method, like a credit card.

It also opens up Kelviq to more AI companies using advanced commitment models where customers commit to a certain amount of usage or credits and can purchase more as they consume them.

on September 24, 2026
  1. 1

    Curious how long it took before you saw the first real results?

  2. 1

    Appreciate the honesty here, most people only share the wins.

  3. 1

    Good write-up. What would you do differently if you started again?

  4. 1

    Interesting approach. What was the hardest part to get right?

  5. 1

    Good point. Did you test that with users before committing to it?

  6. 1

    What made you pick this stack over the alternatives?

  7. 1

    Solid lesson. Which channel has worked best for you so far?

  8. 1

    Appreciate the honesty here, most people only share the wins.

  9. 1

    Interesting approach. What was the hardest part to get right?

  10. 1

    Makes sense. Are you planning to charge for it, or keep it free for now?

  11. 1

    Curious how long it took before you saw the first real results?

  12. 1

    Curious how long it took before you saw the first real results?

  13. 1

    Helpful post. How did you get your first bit of traction?

  14. 1

    Interesting approach. What was the hardest part to get right?

  15. 1

    Nice progress. What is the next thing you are focusing on?

  16. 1

    Interesting take. Would you still recommend this approach to someone starting today?

  17. 1

    Great breakdown. What feedback have you had from early users?

  18. 1

    Love this angle. Building Xstream4K right now so this hits close to home — what made you look into it in the first place?

  19. 1

    Have other AI companies requested similar off-session charging workflows, or is the strongest demand still coming from customers already using credit-based pricing?

    1. 1

      Yes we are still getting request from multiple others customer too about how they can charge their customers on demand without going through checkout flow

      1. 1

        That gives you a stronger demand signal. Could be worth continuing this over email sometime, if you’re open to it.