A non-custodial payment gateway for crypto e-commerce payments
https://coinpayportal.com ↗// readme
CoinPay ⚡
The multi-chain payment infrastructure for humans and AI agents. Crypto payments, escrow, a non-custodial web wallet, Lightning, x402 protocol, and Stripe — all in one platform.
coinpayportal.com · Docs · SDK · Discord
What is CoinPay?
CoinPay is a payment gateway that lets merchants accept crypto, Lightning, and card payments. It’s designed for both traditional e-commerce and the agent economy — AI agents can create wallets, send payments, manage escrows, and pay for APIs autonomously.
Custody, up front: CoinPay is not non-custodial as a whole, and we don’t market it that way. The web wallet is genuinely non-custodial (keys are generated client-side and never reach the server). On-chain payments land at a CoinPay-derived address and are forwarded to the merchant, so we hold the key for that window. Default escrow is custodial for the whole escrow window; multisig_2of3 escrow is not (we hold one key of three). Lightning is custodial until withdrawal. Full breakdown — including shutdown and dispute handling — lives…