nomoat / PayWatcher / Alternatives

Alternatives to PayWatcher

PayWatcher: An API that confirms USDC payments on several blockchains without holding funds, for apps and AI agents. Here are 2 other products that do a similar job. Of these, 1 has a free plan.

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  AgentCash

  A single prepaid balance that lets AI coding agents find and pay for third-party APIs per call, with no keys or subscriptions.

  Since 2026

  Pay as you go · Payments and checkout · Developers

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  CoinPay

  Lets online stores take crypto payments, with escrow, wallets and an API, for a small fee per sale.

  Since 2026

  Free plan · Payments and checkout · Online sellers