We just shipped PayWatcher — payment verification for USDC on Base.
The problem:
verify a $10k stablecoin payment and you either pay $100 to a processor or build your own blockchain listener from scratch.
PayWatcher is the missing middle: create a payment intent, we watch Base for the transfer, webhook fires when confirmed. $0.05 flat. Non-custodial. You keep 100%.
Live now → paywatcher.dev
Looking for devs building on Base who accept USDC.
Free tier available.
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