
CancelFlow
One script tag. Save 34% of cancelling subscribers.
What it does
Drop-in churn prevention for Stripe. One script tag, one function call. Show personalised retention offers — pause, discount, downgrade — the moment someone tries to cancel. Save 34% of churning subscribers on average.
Does the same job
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- PUProsperStack – Use Stripe to automatically prevent cancellations2020 · prosperstack.com · ▲53

- FRFlyCode – Recover Stripe payments by automatically using backup cardsSep 2025 · ▲22
We built FlyCode after seeing subscription businesses lose ~35% of recurring revenue each year to failed payments — even when customers had other valid cards on file. *The problem:* When a customer's primary card fails, Stripe retries a few times then cancels the subscription. If that customer has a backup card, it isn’t tried. At least 20% of active customers have more than one card on file, which means a lot of preventable churn. *Our solution:* FlyCode automatically identifies if a customer has other valid cards on file and retries them when a subscription payment fails. You can configure…
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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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