diff --git a/README.md b/README.md
index 5e08f4f..6112f17 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,10 @@ These are all the individual documents describing each small piece of protocol t
 |----------|-------------------------------------------------------------|---------|
 | [01][01] | Base LNURL encoding and decoding.                           | _all the ones listed below_ |
 | [02][02] | `channelRequest` base spec.                                 | [Balance of Satoshis][bos], [Blixt][blixt], [Breez][breez], [cliché][cliche], [SimpleBitcoinWallet][sbw], [Zap Android][zap], [Zap Desktop][zap], [Zeus][zeus] |
-| [03][03] | `withdrawRequest` base spec.                                | [Balance of Satoshis][bos], [Blixt][blixt], [BlueWallet][bluewallet], [Breez][breez], [coinos][coinos], [Fountain][fountain], [LNbits][lnbits], [@lntxbot][lntxbot], [Muun][muun], [Phoenix][phoenix], [ShockWallet][shockwallet], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Wallet of Satoshi][wos], [Zap Android][zap], [Zap Desktop][zap], [Zap iOS][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
+| [03][03] | `withdrawRequest` base spec.                                | [Balance of Satoshis][bos], [Blixt][blixt], [BlueWallet][bluewallet], [Breez][breez], [coinos][coinos], [Fountain][fountain], [LNbits][lnbits], [@lntxbot][lntxbot], [Muun][muun], [Phoenix][phoenix], [ShockWallet][shockwallet], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Voltpay App][Voltpay App], [Wallet of Satoshi][wos], [Zap Android][zap], [Zap Desktop][zap], [Zap iOS][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
 | [04][04] | Auth base spec.                                             | [Alby][alby], [Balance of Satoshis][bos], [Blixt][blixt], [Breez][breez], [BlueWallet][bluewallet], [coinos][coinos], [LNbits][lnbits], [@lntxbot][lntxbot], [Phoenix][phoenix], [SeedAuth][seedauth], [SeedAuthExtension][sae], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Zap Desktop][zap], [Zeus][zeus] |
 | [05][05] | BIP32-based seed generation for auth protocol.              | [coinos][coinos] [SimpleBitcoinWallet][sbw] |
-| [06][06] | `payRequest` base spec.                                     | [Alby][alby], [Balance of Satoshis][bos], [Blixt][blixt], [BlueWallet][bluewallet], [Bottlepay][bottlepay], [Breez][breez], [BTCPayServer][btcp], [cliché][cliche], [coinos][coinos], [Fountain][fountain], [Galoy][galoy], [LNbits][lnbits], [LNLink][lnlink], [LNPay.co][lnpay], [@lntxbot][lntxbot], [LightningTipBot][ltb], [Machankura][machankura], [Phoenix][phoenix], [ShockWallet][shockwallet], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Wallet of Satoshi][wos], [Zap Android][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
+| [06][06] | `payRequest` base spec.                                     | [Alby][alby], [Balance of Satoshis][bos], [Blixt][blixt], [BlueWallet][bluewallet], [Bottlepay][bottlepay], [Breez][breez], [BTCPayServer][btcp], [cliché][cliche], [coinos][coinos], [Fountain][fountain], [Galoy][galoy], [LNbits][lnbits], [LNLink][lnlink], [LNPay.co][lnpay], [@lntxbot][lntxbot], [LightningTipBot][ltb], [Machankura][machankura], [Phoenix][phoenix], [ShockWallet][shockwallet], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Voltpay App][Voltpay App], [Wallet of Satoshi][wos], [Zap Android][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
 | [07][07] | `hostedChannelRequest` base spec.                           | [SimpleBitcoinWallet][sbw] |
 | [08][08] | Fast `withdrawRequest`.                                     | [cliché][cliche], [@lntxbot][lntxbot], [SimpleBitcoinWallet][sbw], [ZBD Extension][zbd] |
 | [09][09] | `successAction` field for `payRequest`.                     | [Alby][alby], [Blixt][blixt], [BlueWallet][bluewallet], [Breez][breez], [cliché][cliche], [coinos][coinos], [Fountain][fountain], [LNbits][lnbits], [@lntxbot][lntxbot], [Phoenix][phoenix], [ShockWallet][shockwallet], [SimpleBitcoinWallet][sbw], [ThunderHub][thunderhub], [Wallet of Satoshi][wos], [Zap Android][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
@@ -21,7 +21,7 @@ These are all the individual documents describing each small piece of protocol t
 | [14][14] | `balanceCheck`: reusable `withdrawRequest`s.                | [Alby][alby], [Blixt][blixt], [LNbits][lnbits], [@lntxbot][lntxbot] |
 | [15][15] | `balanceNotify`: services hurrying up the withdraw process. | [LNbits][lnbits], [@lntxbot][lntxbot] |
 | [16][16] | Paying to static internet identifiers.                      | [Alby][alby], [Balance of Satoshis][bos], [Blixt][blixt], [BTCPayServer][btcp], [cliché][cliche], [coinos][coinos], [Fountain][fountain], [LNbits][lnbits], [LNLink][lnlink], [@lntxbot][lntxbot], [LightningTipBot][ltb], [Machankura][machankura], [Phoenix][phoenix], [SimpleBitcoinWallet][sbw], [Zap Android][zap], [ZBD Discord][zbd], [ZBD Extension][zbd], [ZBD Telegram][zbd], [ZEBEDEE][zbd], [Zeus][zeus] |
-| [17][17] | Scheme prefixes and raw (non bech32-encoded) URLs.          | [Alby][alby], [Blixt][blixt], [BTCPayServer][btcp], [cliché][cliche], [@lntxbot][lntxbot], [ZBD Discord][zbd], [ZBD Telegram][zbd] |
+| [17][17] | Scheme prefixes and raw (non bech32-encoded) URLs.          | [Alby][alby], [Blixt][blixt], [BTCPayServer][btcp], [cliché][cliche], [@lntxbot][lntxbot], [Voltpay App][Voltpay App], [ZBD Discord][zbd], [ZBD Telegram][zbd] |
 | [18][18] | Payer identity in `payRequest` protocol.                    | [Blixt][blixt], [cliché][cliche], [@lntxbot][lntxbot], [ZBD Discord][zbd], [ZBD Telegram][zbd] |
 | [19][19] | Pay link discoverable from withdraw link.                   | [Blixt][blixt], [SimpleBitcoinWallet][sbw] |
 | [20][20] | Long payment description for pay protocol.                  | [Alby][alby], [Blixt][blixt], [cliché][cliche], [@lntxbot][lntxbot], [Phoenix][phoenix] |
@@ -50,6 +50,7 @@ These are all the individual documents describing each small piece of protocol t
 [seedauth]: https://seedauth.etleneum.com/
 [shockwallet]: https://shockwallet.app
 [thunderhub]: https://www.thunderhub.io
+[Voltpay App]: https://voltpay.app
 [wos]: https://www.walletofsatoshi.com
 [zap]: https://zaphq.io/
 [zbd]: https://zebedee.io/wallet