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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.

About

ZenLLM is an AI cost optimization platform for engineering teams running LLM applications in production. It connects provider invoices to the application behavior behind them, showing which prompts, workflows, models, customers, retries, and request paths are driving spend. Teams send request-level telemetry through the ZenLLM SDK and can attach business context such as workflow, owner, customer, team, or product feature without storing prompt or response content. It monitors token usage, model selection, latency, errors, retries, and cost, then surfaces the waste patterns hidden by aggregate provider dashboards. It detects context accumulation when conversations or agents resend growing histories, premium-model overuse on low-risk work, retry loops that repeat expensive context, stale system prompts, routing mistakes, anomalies, and weak cost ownership.

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

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

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.

Audience

AI application teams that need to identify waste from prompts, retries, model routing, and workflows to reduce token spending

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$3.50/month
Free Version Not Supported
Free Trial Supported

Pricing

$49 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Rebounce
Founded: 2026
Brazil
rebounce.dev

Company Information

ZenLLM
United States
www.zenllm.io

Alternatives

Alternatives

BetterRetain AI

BetterRetain AI

BetterRetain

Categories

Categories

AI Cost Management Supported

Integrations

Anthropic Not Supported
Claude Not Supported
Gemini Not Supported
Google Sheets Not Supported
Grok Not Supported
Microsoft Excel Not Supported
Mistral AI Not Supported
OpenAI Not Supported
Paddle Supported
Perplexity Not Supported
Square Payments Supported
Stripe Supported

Integrations

Anthropic Supported
Claude Supported
Gemini Supported
Google Sheets Supported
Grok Supported
Microsoft Excel Supported
Mistral AI Supported
OpenAI Supported
Paddle Not Supported
Perplexity Supported
Square Payments Not Supported
Stripe Not Supported
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