diff --git a/config.yaml b/config.yaml
new file mode 100644
index 00000000..df8ecdd5
--- /dev/null
+++ b/config.yaml
@@ -0,0 +1,9 @@
+method: cheqd
+listener: 0.0.0.0:1313
+path: "/1.0/identifiers/:did"
+ledgerTimeout: 5s #sec
+loglevel: debug
+
+networks: 
+    mainnet: rpc.cheqd.net:443
+    testnet: 159.89.208.88:443
\ No newline at end of file
diff --git a/config.yml b/config.yml
deleted file mode 100644
index ef2c87b1..00000000
--- a/config.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-networks: 
-    mainnet: rpc.cheqd.net:443
-    #testnet: 127.0.0.1:9090
-    testnet: 159.89.208.88:443
\ No newline at end of file
diff --git a/go.mod b/go.mod
index df99e3f1..bfb5e065 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,8 @@ go 1.17
 require (
 	github.com/cheqd/cheqd-node v0.5.0
 	github.com/labstack/echo/v4 v4.7.2
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.1
+	google.golang.org/grpc v1.45.0
 )
 
 require (
@@ -48,15 +49,16 @@ require (
 	github.com/lestrrat-go/jwx v1.2.20 // indirect
 	github.com/lestrrat-go/option v1.0.0 // indirect
 	github.com/libp2p/go-buffer-pool v0.0.2 // indirect
-	github.com/magiconair/properties v1.8.5 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mimoo/StrobeGo v0.0.0-20181016162300-f8f6d4d2b643 // indirect
-	github.com/mitchellh/mapstructure v1.4.2 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/mr-tron/base58 v1.1.0 // indirect
 	github.com/multiformats/go-base32 v0.0.3 // indirect
 	github.com/multiformats/go-base36 v0.1.0 // indirect
 	github.com/multiformats/go-multibase v0.0.3 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -65,12 +67,12 @@ require (
 	github.com/prometheus/common v0.30.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa // indirect
-	github.com/spf13/afero v1.6.0 // indirect
+	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/spf13/cobra v1.2.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.9.0 // indirect
+	github.com/spf13/viper v1.11.0 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20200815110645-5c35d600f0ca // indirect
 	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect
@@ -78,10 +80,9 @@ require (
 	github.com/tendermint/tendermint v0.34.15 // indirect
 	github.com/tendermint/tm-db v0.6.6 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
-	google.golang.org/genproto v0.0.0-20211129164237-f09f9a12af12 // indirect
-	google.golang.org/grpc v1.42.0 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
-	gopkg.in/ini.v1 v1.63.2 // indirect
+	google.golang.org/genproto v0.0.0-20220407144326-9054f6ed7bac // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
@@ -91,15 +92,19 @@ require (
 	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/golang/protobuf v1.5.2
 	github.com/labstack/gommon v0.3.1 // indirect
-	github.com/mattn/go-colorable v0.1.11 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
-	golang.org/x/crypto v0.0.0-20220214200702-86341886e292 // indirect
-	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
-	golang.org/x/sys v0.0.0-20211103235746-7861aae1554b // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
 )
 
-replace github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
+replace (
+	// Fix upstream GHSA-h395-qcrw-5vmq vulnerability.
+	github.com/gin-gonic/gin => github.com/gin-gonic/gin v1.7.0
+	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
+)
diff --git a/go.sum b/go.sum
index f15dbf35..98aa45ad 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,7 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
@@ -16,6 +17,7 @@ cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOY
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
 cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
 cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.75.0/go.mod h1:VGuuCn7PG0dwsd5XPVm2Mm3wlh3EL55/79EKB6hlPTY=
 cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
 cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
 cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
@@ -43,6 +45,7 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 filippo.io/edwards25519 v1.0.0-beta.2 h1:/BZRNzm8N4K4eWfK28dL4yescorxtO7YG1yun8fy+pI=
 filippo.io/edwards25519 v1.0.0-beta.2/go.mod h1:X+pm78QAUPtFLi1z9PYIlS/bdDnvbCOGKtZ+ACWEf7o=
@@ -306,6 +309,7 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmCsR2Do=
 github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
+github.com/gin-gonic/gin v1.7.0/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -333,6 +337,7 @@ github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEK
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
 github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
 github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
+github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
 github.com/go-sourcemap/sourcemap v2.1.2+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
@@ -428,6 +433,7 @@ github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
@@ -440,6 +446,7 @@ github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/googleapis/gax-go/v2 v2.1.0/go.mod h1:Q3nei7sK6ybPYH7twZdmQpAd1MKb7pfu6SK+H1/DsU0=
+github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
@@ -614,6 +621,8 @@ github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czP
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
 github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
+github.com/magiconair/properties v1.8.6 h1:5ibWZ6iY0NctNGWo87LalDlEZ6R41TqbbDamhfG/Qzo=
+github.com/magiconair/properties v1.8.6/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.0/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
@@ -621,6 +630,8 @@ github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope
 github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-colorable v0.1.11 h1:nQ+aFkoE2TMGc0b68U2OKSexC+eq46+XwZzWXHRmPYs=
 github.com/mattn/go-colorable v0.1.11/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
+github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
 github.com/mattn/go-ieproxy v0.0.0-20190610004146-91bb50d98149/go.mod h1:31jz6HNzdxOmlERGGEc4v/dMssOfmp2p5bT/okiKFFc=
 github.com/mattn/go-ieproxy v0.0.0-20190702010315-6dee0af9227d/go.mod h1:31jz6HNzdxOmlERGGEc4v/dMssOfmp2p5bT/okiKFFc=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
@@ -659,6 +670,8 @@ github.com/mitchellh/mapstructure v1.3.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
 github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/mapstructure v1.4.2 h1:6h7AQ0yhTcIsmFmnAwQls75jp2Gzs4iB8W7pjMO+rqo=
 github.com/mitchellh/mapstructure v1.4.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/mapstructure v1.4.3 h1:OVowDSCllw/YjdLkam3/sm7wEtOy59d8ndGgCcyj8cs=
+github.com/mitchellh/mapstructure v1.4.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/moby/sys/mountinfo v0.4.1/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -754,6 +767,8 @@ github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/9
 github.com/pelletier/go-toml v1.9.3/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pelletier/go-toml v1.9.4 h1:tjENF6MfZAg8e4ZmZTeWaWiT2vXtsoO6+iuOjFhECwM=
 github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
+github.com/pelletier/go-toml/v2 v2.0.0-beta.8 h1:dy81yyLYJDwMTifq24Oi/IslOslRrDSb3jwDggjz3Z0=
+github.com/pelletier/go-toml/v2 v2.0.0-beta.8/go.mod h1:r9LEWfGN8R5k0VXJ+0BkIe7MYkRdwZOjgMj2KwnJFUo=
 github.com/performancecopilot/speed v3.0.0+incompatible/go.mod h1:/CLtqpZ5gBg1M9iaPbIdPPGyKcA8hKdoy6hAWba7Yac=
 github.com/performancecopilot/speed/v4 v4.0.0/go.mod h1:qxrSyuDGrTOWfV+uKRFhfxw6h/4HXRGUiZiufxo49BM=
 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=
@@ -768,6 +783,7 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6JUPA=
 github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
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 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -863,6 +879,8 @@ github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
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@@ -887,6 +905,8 @@ github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5q
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@@ -905,6 +925,8 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
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@@ -1018,11 +1040,15 @@ golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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 golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
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 golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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@@ -1127,6 +1153,8 @@ golang.org/x/net v0.0.0-20211005001312-d4b1ae081e3b/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1226,6 +1254,7 @@ golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1233,6 +1262,7 @@ golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210426230700-d19ff857e887/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -1249,6 +1279,8 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211004093028-2c5d950f24ef/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b h1:1VkfZQv42XQlA/jchYumAnv1UPo6RgF9rJFkTgZIxO4=
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -1331,6 +1363,7 @@ golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
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@@ -1342,6 +1375,7 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -1423,8 +1457,10 @@ google.golang.org/genproto v0.0.0-20201119123407-9b1e624d6bc4/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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 google.golang.org/genproto v0.0.0-20210126160654-44e461bb6506/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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 google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
@@ -1444,6 +1480,8 @@ google.golang.org/genproto v0.0.0-20210828152312-66f60bf46e71/go.mod h1:eFjDcFEc
 google.golang.org/genproto v0.0.0-20210917145530-b395a37504d4/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/genproto v0.0.0-20211129164237-f09f9a12af12 h1:DN5b3HU13J4sMd/QjDx34U6afpaexKTDdop+26pdjdk=
 google.golang.org/genproto v0.0.0-20211129164237-f09f9a12af12/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
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+google.golang.org/genproto v0.0.0-20220407144326-9054f6ed7bac/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -1478,6 +1516,8 @@ google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnD
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/grpc v1.42.0 h1:XT2/MFpuPFsEX2fWh3YQtHkZ+WYZFQRfaUgLZYj/p6A=
 google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
+google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
+google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -1494,6 +1534,8 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -1511,6 +1553,8 @@ gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.63.2 h1:tGK/CyBg7SMzb60vP1M03vNZ3VDu3wGQJwn7Sxi9r3c=
 gopkg.in/ini.v1 v1.63.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
+gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
diff --git a/main.go b/main.go
index 368dfe4b..15b9fdca 100644
--- a/main.go
+++ b/main.go
@@ -1,27 +1,26 @@
 package main
 
 import (
-	"flag"
+	"fmt"
 	"net/http"
-	"os"
 
 	"github.com/cheqd/cheqd-did-resolver/services"
 	"github.com/cheqd/cheqd-did-resolver/types"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
-	"gopkg.in/yaml.v2"
+	"github.com/spf13/viper"
 
 	"strings"
 )
 
-type Config struct {
-	Networks map[string]string `yaml:"networks"`
-}
-
 func main() {
-	didResolutionPath := flag.String("path", "/1.0/identifiers/:did", "URL path with DID resolution endpoint")
-	didResolutionPort := flag.String("port", ":1313", "The endpoint port with DID resolution")
-	flag.Parse()
+	viper.SetConfigFile("config.yaml")
+	err := viper.ReadInConfig()
+	if err != nil { // Handle errors reading the config file
+		panic(fmt.Errorf("Fatal error config file: %w \n", err))
+	}
+	didResolutionPath := viper.GetString("path")
+	didResolutionListener := viper.GetString("listener")
 
 	// Echo instance
 	e := echo.New()
@@ -31,21 +30,16 @@ func main() {
 	e.Use(middleware.Recover())
 
 	//setup
-	e.StdLogger.Println("get config")
-	config, err := getConfig("config.yml")
-	e.StdLogger.Println(config)
-	if err != nil {
-		e.Logger.Fatal(err)
-	}
+	networks := viper.GetStringMapString("networks")
 	ledgerService := services.NewLedgerService()
-	for network, url := range config.Networks {
+	for network, url := range networks {
 		e.StdLogger.Println(network)
 		ledgerService.RegisterLedger(network, url)
 	}
 	requestService := services.NewRequestService(ledgerService)
 
 	// Routes
-	e.GET(*didResolutionPath, func(c echo.Context) error {
+	e.GET(didResolutionPath, func(c echo.Context) error {
 		did := c.Param("did")
 		accept := strings.Split(c.Request().Header.Get("accept"), ";")[0]
 		if strings.Contains(accept, types.ResolutionJSONLDType) {
@@ -53,35 +47,14 @@ func main() {
 		} else {
 			accept = types.ResolutionDIDJSONType
 		}
-		resolutionOption := map[string]string{"Accept": accept}
 		e.StdLogger.Println("get did")
-		responseBody, err := requestService.ProcessDIDRequest(did, resolutionOption)
-		status := http.StatusOK
-		if err != "" {
-			// todo: defined a correct status
-			status = http.StatusBadRequest
+		responseBody, err := requestService.ProcessDIDRequest(did, types.ResolutionOption{Accept: accept})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
 		}
 		c.Response().Header().Set(echo.HeaderContentType, accept)
-		return c.JSONBlob(status, []byte(responseBody))
+		return c.JSONBlob(http.StatusOK, []byte(responseBody))
 	})
 
-	// Start server
-	e.Logger.Fatal(e.Start(*didResolutionPort))
-}
-
-func getConfig(configFileName string) (Config, error) {
-	f, err := os.Open(configFileName)
-	if err != nil {
-		return Config{}, err
-	}
-	defer f.Close()
-
-	var cfg Config
-	decoder := yaml.NewDecoder(f)
-	err = decoder.Decode(&cfg)
-	if err != nil {
-		return Config{}, err
-	}
-
-	return cfg, nil
+	e.Logger.Fatal(e.Start(didResolutionListener))
 }
diff --git a/services/ledger_service.go b/services/ledger_service.go
index 712ab89a..fb0e4ce3 100644
--- a/services/ledger_service.go
+++ b/services/ledger_service.go
@@ -3,11 +3,10 @@ package services
 import (
 	"context"
 	"errors"
-	"flag"
-	"strings"
-	"time"
 
 	cheqd "github.com/cheqd/cheqd-node/x/cheqd/types"
+	cheqdUtils "github.com/cheqd/cheqd-node/x/cheqd/utils"
+	"github.com/spf13/viper"
 	"google.golang.org/grpc"
 )
 
@@ -21,13 +20,15 @@ func NewLedgerService() LedgerService {
 	return ls
 }
 
-func (ls LedgerService) QueryDIDDoc(did string) (cheqd.Did, cheqd.Metadata, error) {
+func (ls LedgerService) QueryDIDDoc(did string) (cheqd.Did, cheqd.Metadata, bool, error) {
+	isFound := true
 	serverAddr := ls.ledgers[getNamespace(did)]
 	println(serverAddr)
 	conn, err := openGRPCConnection(serverAddr)
 
 	if err != nil {
-		return cheqd.Did{}, cheqd.Metadata{}, err
+		isFound = false
+		return cheqd.Did{}, cheqd.Metadata{}, isFound, err
 	}
 
 	qc := cheqd.NewQueryClient(conn)
@@ -35,11 +36,12 @@ func (ls LedgerService) QueryDIDDoc(did string) (cheqd.Did, cheqd.Metadata, erro
 
 	didDocResponse, err := qc.Did(context.Background(), &cheqd.QueryGetDidRequest{Id: did})
 	if err != nil {
-		return cheqd.Did{}, cheqd.Metadata{}, err
+		isFound = false
+		return cheqd.Did{}, cheqd.Metadata{}, isFound, nil
 	}
 	println("QueryDIDDoc: received response")
 	println(didDocResponse)
-	return *didDocResponse.Did, *didDocResponse.Metadata, err
+	return *didDocResponse.Did, *didDocResponse.Metadata, isFound, err
 }
 
 func (ls *LedgerService) RegisterLedger(namespace string, url string) error {
@@ -53,8 +55,7 @@ func (ls *LedgerService) RegisterLedger(namespace string, url string) error {
 		println("Ledger node url cannot be empty")
 		return errors.New("Ledger node url cannot be empty")
 	}
-	ls.ledgers[namespace] = *flag.String("grpc-server-address-"+namespace, url,
-		"The target grpc server address in the format of host:port")
+	ls.ledgers[namespace] = url
 
 	println("RegisterLedger end")
 
@@ -66,9 +67,7 @@ func openGRPCConnection(addr string) (conn *grpc.ClientConn, err error) {
 		grpc.WithInsecure(),
 		grpc.WithBlock(),
 	}
-	// TODO: move to application setup
-	// TODO: move timeouts to a config
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), viper.GetDuration("ledgerTimeout"))
 	defer cancel()
 
 	conn, err = grpc.DialContext(ctx, addr, opts...)
@@ -83,5 +82,14 @@ func openGRPCConnection(addr string) (conn *grpc.ClientConn, err error) {
 }
 
 func getNamespace(did string) string {
-	return strings.SplitN(did, ":", 4)[2]
+	_, namespace, _, _ := cheqdUtils.TrySplitDID(did)
+	return namespace
+}
+
+func (ls LedgerService) GetNamespaces() []string {
+	keys := make([]string, 0, len(ls.ledgers))
+	for k, _ := range ls.ledgers {
+		keys = append(keys, k)
+	}
+	return keys
 }
diff --git a/services/request_service.go b/services/request_service.go
index 9ff8b4c7..867f0a6a 100644
--- a/services/request_service.go
+++ b/services/request_service.go
@@ -7,6 +7,8 @@ import (
 	"fmt"
 
 	"github.com/cheqd/cheqd-did-resolver/types"
+	cheqdUtils "github.com/cheqd/cheqd-node/x/cheqd/utils"
+	"github.com/spf13/viper"
 )
 
 type RequestService struct {
@@ -21,41 +23,63 @@ func NewRequestService(ledgerService LedgerService) RequestService {
 	}
 }
 
-func (rs RequestService) ProcessDIDRequest(did string, params map[string]string) (string, string) {
-	didResolution := rs.resolve(did, types.ResolutionOption{Accept: params["Accept"]})
-	resolutionMetadata, err1 := json.Marshal(didResolution.ResolutionMetadata)
-	didDoc, err2 := rs.didDocService.MarshallDID(didResolution.Did)
-	metadata, err3 := rs.didDocService.MarshallProto(&didResolution.Metadata)
-
-	if err1 != nil || err2 != nil || err3 != nil {
-		resolutionMetadataProto := types.NewResolutionMetadata(did, params["Accept"],
-			types.ResolutionRepresentationNotSupported)
-		resolutionMetadataJson, _ := json.Marshal(resolutionMetadataProto)
-		return createJsonResolution("null", "null", string(resolutionMetadataJson)),
-			resolutionMetadataProto.ResolutionError
+func (rs RequestService) ProcessDIDRequest(did string, resolutionOptions types.ResolutionOption) (string, error) {
+
+	didResolution, err := rs.resolve(did, types.ResolutionOption{resolutionOptions.Accept})
+	if err != nil {
+		return "", err
+	}
+
+	resolutionMetadata, err := json.Marshal(didResolution.ResolutionMetadata)
+	if err != nil {
+		return "", err
+	}
+
+	didDoc, err := rs.didDocService.MarshallDID(didResolution.Did)
+	if err != nil {
+		return "", err
+	}
+
+	metadata, err := rs.didDocService.MarshallProto(&didResolution.Metadata)
+	if err != nil {
+		return "", err
 	}
 
 	if didResolution.ResolutionMetadata.ResolutionError != "" {
-		return createJsonResolution("null", "null", string(resolutionMetadata)),
-			didResolution.ResolutionMetadata.ResolutionError
+		didDoc, metadata = "", ""
 	}
 
-	return createJsonResolution(didDoc, metadata, string(resolutionMetadata)), ""
+	return createJsonResolution(didDoc, metadata, string(resolutionMetadata)), nil
 
 }
 
 // https://w3c-ccg.github.io/did-resolution/#resolving
-func (rs RequestService) resolve(did string, resolutionOptions types.ResolutionOption) types.DidResolution {
-	didDoc, metadata, err := rs.ledgerService.QueryDIDDoc(did)
+func (rs RequestService) resolve(did string, resolutionOptions types.ResolutionOption) (types.DidResolution, error) {
+
 	didResolutionMetadata := types.NewResolutionMetadata(did, resolutionOptions.Accept, "")
+
+	method := viper.GetString("method")
+	if !cheqdUtils.IsValidDID(did, method, rs.ledgerService.GetNamespaces()) {
+		if didMethod, _, _, _ := cheqdUtils.TrySplitDID(did); didMethod != method {
+			didResolutionMetadata.ResolutionError = types.ResolutionMethodNotSupported
+		} else {
+			didResolutionMetadata.ResolutionError = types.ResolutionInvalidDID
+		}
+		return types.DidResolution{ResolutionMetadata: didResolutionMetadata}, nil
+	}
+
+	didDoc, metadata, isFound, err := rs.ledgerService.QueryDIDDoc(did)
 	if err != nil {
+		return types.DidResolution{}, err
+	}
+	if !isFound {
 		didResolutionMetadata.ResolutionError = types.ResolutionNotFound
-		return types.DidResolution{ResolutionMetadata: didResolutionMetadata}
+		return types.DidResolution{ResolutionMetadata: didResolutionMetadata}, nil
 	}
 	if didResolutionMetadata.ContentType == types.ResolutionDIDJSONLDType {
 		didDoc.Context = append(didDoc.Context, types.DIDSchemaJSONLD)
 	}
-	return types.DidResolution{didDoc, metadata, didResolutionMetadata}
+	return types.DidResolution{didDoc, metadata, didResolutionMetadata}, nil
 }
 
 // https://w3c-ccg.github.io/did-resolution/#dereferencing
@@ -68,6 +92,12 @@ func (rs RequestService) resolve(did string, resolutionOptions types.ResolutionO
 // }
 
 func createJsonResolution(didDoc string, metadata string, resolutionMetadata string) string {
+	if didDoc == "" {
+		didDoc = "null"
+	}
+	if metadata == "" {
+		metadata = "[]"
+	}
 	return fmt.Sprintf("{\"didDocument\" : %s,\"didDocumentMetadata\" : %s,\"didResolutionMetadata\" : %s}",
 		didDoc, metadata, resolutionMetadata)
 }
diff --git a/types/resolution_metadata.go b/types/resolution_metadata.go
index d22a9af9..bccf0d4c 100644
--- a/types/resolution_metadata.go
+++ b/types/resolution_metadata.go
@@ -1,16 +1,16 @@
 package types
 
 import (
-	"strings"
 	"time"
 
 	cheqd "github.com/cheqd/cheqd-node/x/cheqd/types"
+	cheqdUtils "github.com/cheqd/cheqd-node/x/cheqd/utils"
 )
 
 const (
-	ResolutionInvalidDID                 = "invalidDid"
-	ResolutionNotFound                   = "notFound"
-	ResolutionRepresentationNotSupported = "representationNotSupported"
+	ResolutionInvalidDID         = "invalidDid"
+	ResolutionNotFound           = "notFound"
+	ResolutionMethodNotSupported = "methodNotSupported"
 )
 
 const (
@@ -47,14 +47,15 @@ type DidResolution struct {
 }
 
 func NewResolutionMetadata(did string, contentType string, resolutionError string) ResolutionMetadata {
+	method, _, id, _ := cheqdUtils.TrySplitDID(did)
 	return ResolutionMetadata{
 		ContentType:     contentType,
 		ResolutionError: resolutionError,
 		Retrieved:       time.Now().UTC().Format(time.RFC3339),
 		DidProperties: DidProperties{
 			DidString:        did,
-			MethodSpecificId: strings.SplitN(did, ":", 4)[3],
-			Method:           "cheqd",
+			MethodSpecificId: id,
+			Method:           method,
 		},
 	}
 }