diff --git a/dnsapi/dns_bookmyname.sh b/dnsapi/dns_bookmyname.sh
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+#!/usr/bin/env sh
+
+#Here is a sample custom api script.
+#This file name is "dns_bookmyname.sh"
+#So, here must be a method   dns_bookmyname_add()
+#Which will be called by acme.sh to add the txt record to your api system.
+#returns 0 means success, otherwise error.
+#
+#Author: Neilpang
+#Report Bugs here: https://github.com/acmesh-official/acme.sh
+#
+########  Public functions #####################
+
+# Please Read this guide first: https://github.com/acmesh-official/acme.sh/wiki/DNS-API-Dev-Guide
+
+# BookMyName urls:
+# https://BOOKMYNAME_USERNAME:BOOKMYNAME_PASSWORD@www.bookmyname.com/dyndns/?hostname=_acme-challenge.domain.tld&type=txt&ttl=300&do=add&value="XXXXXXXX"'
+# https://BOOKMYNAME_USERNAME:BOOKMYNAME_PASSWORD@www.bookmyname.com/dyndns/?hostname=_acme-challenge.domain.tld&type=txt&ttl=300&do=remove&value="XXXXXXXX"'
+
+# Output:
+#good: update done, cid 123456, domain id 456789, type txt, ip XXXXXXXX
+#good: remove done 1, cid 123456, domain id 456789, ttl 300, type txt, ip XXXXXXXX
+
+# Be careful, BMN DNS servers can be slow to pick up changes; using dnssleep is thus advised.
+
+# Usage:
+# export BOOKMYNAME_USERNAME="ABCDE-FREE"
+# export BOOKMYNAME_PASSWORD="MyPassword"
+# /usr/local/ssl/acme.sh/acme.sh --dns dns_bookmyname --dnssleep 600 --issue -d domain.tld
+
+#Usage: dns_bookmyname_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_bookmyname_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using bookmyname"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  BOOKMYNAME_USERNAME="${BOOKMYNAME_USERNAME:-$(_readaccountconf_mutable BOOKMYNAME_USERNAME)}"
+  BOOKMYNAME_PASSWORD="${BOOKMYNAME_PASSWORD:-$(_readaccountconf_mutable BOOKMYNAME_PASSWORD)}"
+
+  if [ -z "$BOOKMYNAME_USERNAME" ] || [ -z "$BOOKMYNAME_PASSWORD" ]; then
+    BOOKMYNAME_USERNAME=""
+    BOOKMYNAME_PASSWORD=""
+    _err "You didn't specify BookMyName username and password yet."
+    _err "Please specify them and try again."
+    return 1
+  fi
+
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable BOOKMYNAME_USERNAME "$BOOKMYNAME_USERNAME"
+  _saveaccountconf_mutable BOOKMYNAME_PASSWORD "$BOOKMYNAME_PASSWORD"
+
+  uri="https://${BOOKMYNAME_USERNAME}:${BOOKMYNAME_PASSWORD}@www.bookmyname.com/dyndns/"
+  data="?hostname=${fulldomain}&type=TXT&ttl=300&do=add&value=${txtvalue}"
+  result="$(_get "${uri}${data}")"
+  _debug "Result: $result"
+
+  if ! _startswith "$result" 'good: update done, cid '; then
+    _err "Can't add $fulldomain"
+    return 1
+  fi
+
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_bookmyname_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using bookmyname"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  BOOKMYNAME_USERNAME="${BOOKMYNAME_USERNAME:-$(_readaccountconf_mutable BOOKMYNAME_USERNAME)}"
+  BOOKMYNAME_PASSWORD="${BOOKMYNAME_PASSWORD:-$(_readaccountconf_mutable BOOKMYNAME_PASSWORD)}"
+
+  uri="https://${BOOKMYNAME_USERNAME}:${BOOKMYNAME_PASSWORD}@www.bookmyname.com/dyndns/"
+  data="?hostname=${fulldomain}&type=TXT&ttl=300&do=remove&value=${txtvalue}"
+  result="$(_get "${uri}${data}")"
+  _debug "Result: $result"
+
+  if ! _startswith "$result" 'good: remove done 1, cid '; then
+    _info "Can't remove $fulldomain"
+  fi
+
+}
+
+####################  Private functions below ##################################