GreatWaitFlow XO
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Related Products
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About
GreatWait schedules one-off and recurring HTTPS callbacks for apps and AI agents. Create and manage schedules through an API, CLI, remote MCP server, or web dashboard. View delivery history, retry failed deliveries, and cancel, pause, or resume schedules. Controlled bulk operations help manage multiple schedules, while forecasts of upcoming deliveries support capacity planning. Pricing is usage-based at $1 per 100,000 delivery attempts, including retries, with a $10 minimum prepaid purchase. New users receive $1 in trial credit valid for 14 days. The service is designed for technical teams that need scheduled delivery to external HTTPS endpoints.
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About
Most failed subscription payments don't come back on a retry. Expired cards, 3D Secure requests and generic bank declines need the customer to act, and most customers never notice the payment failed.
Rebounce connects to Stripe, Paddle or Square in a few minutes. When a payment fails, it reads the decline code, retries only when a retry can work, and sends the customer a short sequence by email, SMS or WhatsApp with a link to a page where they update the card or confirm 3D Secure. No login needed. The sequence stops the moment the invoice is paid.
In our own data, 44% of customers who opened the payment link paid on that page, while automatic retries recovered 5.5%.
Also included: card expiry warnings 30 days ahead, weekly recovery reports, and a free 90-day audit of your Stripe account (read-only, no signup).
Pricing is flat: Starter $3.50/month, Growth $14/month, Scale $39/month. No percentage of recovered revenue.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers, technical teams, and AI-agent builders scheduling webhook callbacks.
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Audience
SaaS and subscription businesses that bill through Stripe, Paddle or Square and lose revenue to failed card payments. Built for small and mid-size companies, including ones with customers in Latin America who are easier to reach on WhatsApp than by email.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$1/100,000 attempts
Usage is $1 per 100,000 delivery attempts, including retries. The minimum prepaid purchase is $10. New users receive $1 in trial credit valid for 14 days. Additional projects cost $5 per month.
Free Version
Not Supported
Free Trial
Supported
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Pricing
$3.50/month
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationFlow XO
Founded: 2014
United States
greatwait.dev
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Company InformationRebounce
Founded: 2026
Brazil
rebounce.dev
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Model Context Protocol (MCP)
Supported
Paddle
Not Supported
Square Payments
Not Supported
Stripe
Not Supported
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Integrations
Model Context Protocol (MCP)
Not Supported
Paddle
Supported
Square Payments
Supported
Stripe
Supported
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