> For the complete documentation index, see [llms.txt](https://ninjapay.gitbook.io/ninjapay-api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to.md). # How to - [How Plugins Work](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/how-plugins-work.md) - [Getting Started](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/getting-started.md) - [Authentication](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/authentication.md) - [API Reference (UPI)](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi.md) - [Plugins](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins.md) - [Realtime Payment Links](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links.md): Coming soon... - [Create Realtime Payment Link](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/create-realtime-payment-link.md) - [Create Template](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/create-template.md): Template API helps us to create custom payment page template which we are going to show to the user, example is shared below. - [List Payment Links](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/list-payment-links.md) - [Multi super order Id list](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/multi-super-order-id-list.md) - [Get templates](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/get-templates.md) - [Single order Id trx list](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/single-order-id-trx-list.md) - [Generate Upi payment link](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/generate-upi-payment-link.md) - [Record payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/record-payment.md) - [Expiry List](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/expiry-list.md): Get the list of expiry value to pass while creating real time payment links. - [Delete Payment Link](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/delete-payment-link.md): Delete a non usable payment link. - [Delete Template](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/delete-template.md): Delete a template to create a new one. - [Check Payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/realtime-payment-links/check-payment.md) - [Paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls.md) - [Create Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/create-paywall.md) - [Create Paywall QR](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/create-paywall-qr.md) - [List Paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/list-paywalls.md) - [Detail Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/detail-paywall.md) - [Check Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/check-paywall.md) - [Remove Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls/remove-paywall.md) - [Invoice](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice.md) - [Add Client](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/add-client.md) - [Edit Client](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/edit-client.md) - [Get Client](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/get-client.md) - [Remove Client](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/remove-client.md) - [Add Product](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/add-product.md) - [Edit Product](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/edit-product.md) - [Get Products](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/get-products.md) - [Remove Product](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/remove-product.md) - [Upload Attachment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/upload-attachment.md) - [Add/Edit Template](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/add-edit-template.md) - [Create Invoice](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/create-invoice.md) - [Get Invoice by ID](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/get-invoice-by-id.md) - [Add Tracking Details](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/add-tracking-details.md) - [Remove Invoice](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/invoice/remove-invoice.md) - [Point of Sale - POS](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos.md) - [Create POS](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/create-pos.md) - [Create Paywall QR](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/create-paywall-qr.md) - [List Paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/list-paywalls.md) - [Detail Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/detail-paywall.md) - [Check Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/check-paywall.md) - [Remove POS](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/point-of-sale-pos/remove-pos.md) - [Build Your Own Plugin](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/build-your-own-plugin.md): Coming soon... - [Ninjapay Plugin Development Guide](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/build-your-own-plugin/ninjapay-plugin-development-guide.md) - [Error Handling](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/error-handling.md) - [Limits on API Requests](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/limits-on-api-requests.md) - [API Reference (P2P)](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p.md) - [Plugins](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins.md) - [Payment Links (P2P)](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p.md): Coming soon... - [Dashboard Stats](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/dashboard-stats.md) - [Create Payment Link](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/create-payment-link.md) - [Submit UTR for Approval](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/submit-utr-for-approval.md) - [List Payment Links](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/list-payment-links.md) - [Transactions](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/transactions.md) - [Approve/Decline](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/approve-decline.md) - [Check Payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/payment-links-p2p/check-payment.md) - [Paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls.md) - [Create Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/create-paywall.md) - [Create Paywall QR](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/create-paywall-qr.md) - [List Paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/list-paywalls.md) - [Detail Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/detail-paywall.md) - [Check Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/check-paywall.md) - [Remove Paywall](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/paywalls/remove-paywall.md) - [Build Your Own Plugin](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/build-your-own-plugin.md): Coming soon... - [Ninjapay Plugin Development Guide](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/plugins/build-your-own-plugin/ninjapay-plugin-development-guide.md) - [Error Handling](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/error-handling.md) - [Limits on API Requests](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/limits-on-api-requests.md) - [API Reference (BTC⚡️)](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc.md): Currently only Bitcoin "BTC" supported - [Wallet Info](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/wallet-info.md) - [Send Payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/send-payment.md): This endpoint sends a payment on the Bitcoin Lightning Network. - [Request Payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/request-payment.md) - [NinjaAuth](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/ninjaauth.md) - [Ninjapay URI Intent](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/ninjapay-uri-intent.md) - [Check Payment](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/check-payment.md) - [Transactions](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/transactions.md) - [Get Prices](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/get-prices.md) - [Decode Invoice](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/decode-invoice.md) - [Error Handling](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/error-handling.md) - [Limits on API Requests](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/limits-on-api-requests.md) - [Withdraw Vouchers](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/withdraw-vouchers.md) - [Request Voucher](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/withdraw-vouchers/request-voucher.md) - [Check Voucher](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/withdraw-vouchers/check-voucher.md) - [Revoke Voucher Request](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/withdraw-vouchers/revoke-voucher-request.md) - [Redeem Voucher](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/withdraw-vouchers/redeem-voucher.md) - [Spot Trade](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade.md) - [Asset Balances](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade/asset-balances.md) - [Asset Prices](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade/asset-prices.md) - [Buy/Sell](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade/buy-sell.md) - [Check Order](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade/check-order.md) - [Revoke Order Request](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-btc/spot-trade/revoke-order-request.md)