bitcoin-infrastructure-btcpay
BTCPay Server: open-source merchant payment processor. Self-hosted, supports BTC + Lightning + altcoins, plugin ecosystem, Lightning Address resolver, point-of-sale. USE WHEN: deploying merchant payments, integrating with BTCPay, building plugins.
What this skill does
# BTCPay Server Open-source, self-hosted Bitcoin payment processor. The dominant non-custodial alternative to Stripe/PayPal for BTC. Repo: `github.com/btcpayserver/btcpayserver` (.NET / C#). ## Architecture - **BTCPay Server** (.NET app) — main server. - **NBXplorer** — wallet management, indexes via Bitcoin Core. - **Bitcoin Core** + optional **Electrs** / **Esplora**. - **LND** / **CLN** / **Eclair** — Lightning node. - **Postgres** for state. ## Features - **Stores** (separate merchant accounts). - **Invoices** with checkout UI. - **PoS** (Point of Sale) terminal. - **Apps**: crowdfund, paywall, gift cards. - **Plugins**: Litecoin, Liquid, Monero, etc. - **Webhooks**: notify your app on payment status. - **API** (REST + Lightning RPC). - **Lightning Address** resolver out of the box. ## Setup Easy install: `BTCPay Docker Deployment` script: ```bash . ./btcpay-setup.sh -i ``` Configures Docker + bitcoind + LND + BTCPay in one go. Production-ready by default. ## Use cases - **Merchants** accepting BTC + LN. - **Shopify / WooCommerce / Magento** plugin integrations. - **Crowdfunding** platforms. - **PoS** for physical stores. - **Donation pages**. ## Lightning support - **LND**, **CLN**, or **Eclair** as LN backend. - **Lightning invoices** auto-generated per BTCPay invoice. - **LNURL** support (LNURL-pay, withdraw). - **Lightning Address**: `[email protected]` resolves via BTCPay. ## API REST API under `/api/v1/`: ``` POST /api/v1/stores/{storeId}/invoices GET /api/v1/stores/{storeId}/invoices/{invoiceId} POST /api/v1/stores/{storeId}/payment-methods/onchain ``` ## Common issues - **Memory**: ~4 GB RAM minimum (more for Bitcoin Core + LN). - **Synchronization**: bitcoind IBD blocks BTCPay startup. - **HTTPS**: default deploys with Let's Encrypt; needs DNS. - **Plugin compatibility**: plugins lag behind BTCPay version. ## See also - [esplora/SKILL.md](../esplora/SKILL.md) - [../lightning/lnd/SKILL.md](../../lightning/lnd/SKILL.md) - [../lightning/lnurl/SKILL.md](../../lightning/lnurl/SKILL.md) - [../lightning/lightning-address/SKILL.md](../../lightning/lightning-address/SKILL.md)
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