Add-ons & Message Top-ups

Learn how to purchase and manage add-ons to increase your message credits and storage capacity beyond your plan limits.

Add-ons let you increase your message credits or storage capacity without upgrading to a higher plan. If you're happy with your current plan but occasionally need more messages or storage, add-ons are the perfect solution.

There are two kinds, depending on your plan:

Your plan	What you buy	How it works
Free Full Access	One-time message top-ups	A single purchase added straight to your balance. Buy again anytime.
Basic / Essential / Business	Recurring add-ons	Extra message credits or storage that renew with your subscription.

Free plan users: You don't need to upgrade to buy more messages — use the one-time message top-ups below. Recurring add-ons (with proration and monthly renewal) are for paid plans only.

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Free Plan: One-Time Message Top-Ups

On the Free Full Access plan, your 100 messages are a one-time allowance that doesn't reset each month. When you run low, buy a one-time top-up — no subscription, and you can buy again whenever you need to.

Top-up	Price
50 messages	$9 (one-time)
100 messages	$18 (one-time)

The "Add messages" dialog on the Plans & Billing page

How to buy a top-up:

1. Go to Settings → Plans & Billing in your dashboard.
2. In the Current Plan box, click Add messages.
3. Use + / − to choose 50 ($9) or 100 ($18) messages.
4. Click Buy … messages → you'll go to secure Stripe Checkout.
5. (Optional) Enter a coupon code in the Add promotion code field to apply a discount.
6. Pay, and your messages are credited automatically when you return to the dashboard.

Coupon codes work on top-ups. Add your code in the Add promotion code box on the Stripe Checkout page before paying.

For full details of the free plan, see Free Full Access Plan.

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Recurring Add-ons (Paid Plans)

On Basic, Essential, and Business plans, add-ons are optional recurring extras that boost your plan limits and renew with your subscription:

Add-on	What It Gives You	Per Unit
Extra Message Credits	Additional AI-generated messages per month	+1,000 messages
Extra Storage Capacity	Additional character storage for your knowledge base	+5 million characters

You can purchase up to 10 units of each add-on type.

Example

You're on the Essential Plan (2,000 messages/month, 20M characters storage). During a busy month, you expect 3,500 messages. Instead of upgrading to Business, you purchase 2 units of Extra Message Credits (+2,000 messages), giving you 4,000 total messages for that month.

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How to Purchase an Add-on

1. Log into your AI Bot Kit dashboard.
2. In the left sidebar, go to Settings, then open the Plans & Billing tab.
3. Scroll to the Add-ons section.
4. Choose the add-on you want:

   • Extra Message Credits — select how many units (1–10).
   • Extra Storage Capacity — select how many units (1–10).
5. Click Purchase Add-on.
6. Confirm the payment. The add-on is added to your existing subscription instantly.

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Pricing

Add-on prices are shown in your dashboard and depend on your billing interval:

Add-on	Monthly Price	Yearly Price (per month)
Extra Message Credits (per 1,000 messages)	Varies	Varies
Extra Storage Capacity (per 5M characters)	Varies	Varies

If you pay yearly for your main plan, add-ons are also billed yearly at a discounted rate.

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How Billing Works

• Same billing cycle — Add-ons are added to your existing Stripe subscription. They renew on the same date as your main plan.
• Prorated charges — If you add an add-on mid-cycle, you only pay for the remaining days in your current billing period.
• Prorated refunds — If you cancel an add-on mid-cycle, a prorated credit is applied to your account.

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Managing Your Add-ons

View Active Add-ons

In Plans & Billing → Add-ons, you'll see:

• Which add-ons are currently active
• How many units you have
• Your new total limits (plan limit + add-on bonus)

Cancel an Add-on

1. Go to Plans & Billing → Add-ons.
2. Find the active add-on you want to remove.
3. Click Cancel.
4. Confirm the cancellation.

Your add-on stays active until the end of your current billing period, then stops renewing. A prorated credit is applied if you cancel mid-cycle.

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Tips for Using Add-ons

• Use add-ons for temporary spikes. If you only need extra capacity for a month or two, add-ons are cheaper than upgrading your plan.
• Monitor your usage. Check your message and storage usage regularly in the dashboard to decide if add-ons make sense.
• Combine add-ons. You can have both message and storage add-ons active at the same time.
• Yearly is cheaper. If you know you'll need extra capacity long-term, paying yearly saves money.

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Troubleshooting

I don't see the Add-ons section

• Recurring add-ons are only available on paid plans. On the Free Full Access plan, use the one-time Add messages top-up in your Current Plan box instead (see above).

My add-on purchase failed

• Make sure your payment method on file is up to date.
• Try again in a few minutes. If it keeps failing, contact support.

I canceled an add-on but my limits haven't changed

• Canceled add-ons remain active until the end of your current billing period. Your limits will adjust on your next renewal date.

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Related Topics

• Upgrading to Paid Plans — Upgrade your main plan
• Where to Find Your Usage — Monitor messages and storage
• Monthly vs Yearly Pricing — Save with yearly billing