send21
send21.io- Category
- Developer Tools
- Rank
- No. 3648Tools index
- Pricing
- Paid
- Type
- APP
- Date
About
A crypto payment link service where an AI agent or backend gets a scoped API key that can create and track payment drafts but never spend. A person reviews and signs the draft in their own wallet, and the service never holds keys. A testnet demo needs no account, and a signed webhook reports confirmation.
Tags
cryptopaymentsmcpapistablecoinsai-agents
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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.