diff --git a/docs/spec/components/responses/conflict.yaml b/docs/spec/components/responses/conflict.yaml
new file mode 100644
index 0000000..aa36038
--- /dev/null
+++ b/docs/spec/components/responses/conflict.yaml
@@ -0,0 +1,5 @@
+description: Conflict
+content:
+  application/vnd.api+json:
+    schema:
+      $ref: '#/components/schemas/Errors'
\ No newline at end of file
diff --git a/docs/spec/components/schemas/Link.yaml b/docs/spec/components/schemas/Link.yaml
index f28d6c5..f1958a1 100644
--- a/docs/spec/components/schemas/Link.yaml
+++ b/docs/spec/components/schemas/Link.yaml
@@ -12,7 +12,7 @@ allOf:
         properties:
           link:
             type: string
-            description: UUID Link to proofs
+            description: Link to proofs ID (UUID or custom ASCII string)
             example: '05260b49-2c35-48b9-8300-d39ae48ca312'
           created_at:
             type: string
diff --git a/docs/spec/paths/v1@links.yaml b/docs/spec/paths/v1@links.yaml
index 5948cbc..9c3f671 100644
--- a/docs/spec/paths/v1@links.yaml
+++ b/docs/spec/paths/v1@links.yaml
@@ -1,6 +1,6 @@
 post:
   tags:
-    - Proofs
+    - Links
   summary: Create Link Proofs
   description: |
     Add link to the specified proofs
@@ -25,7 +25,12 @@ post:
                   items:
                     type: string
                   example: [550e8400-e29b-41d4-a716-446655440001, 550e8400-e29b-41d4-a716-446655440002, 550e8400-e29b-41d4-a716-446655440003]
+                link_name:
+                  type: string
+                  description: Link name, must be unique
+                  example: "RarimoAppTeamEmailAndPosition"
               required:
+                - user_did
                 - proofs_ids
   responses:
     200:
@@ -42,6 +47,8 @@ post:
       $ref: '#/components/responses/invalidParameter'
     401:
       $ref: '#/components/responses/invalidAuth'
+    409:
+      $ref: '#/components/responses/conflict'
     500:
       $ref: '#/components/responses/internalError'
 
@@ -53,7 +60,7 @@ get:
   security:
     - Bearer: [ ]
   tags:
-    - Proofs
+    - Links
   parameters:
     - in: path
       name: 'did'
diff --git a/docs/spec/paths/v1@links@{link_id}.yaml b/docs/spec/paths/v1@links@{link_id}.yaml
index ff485f9..2989e7e 100644
--- a/docs/spec/paths/v1@links@{link_id}.yaml
+++ b/docs/spec/paths/v1@links@{link_id}.yaml
@@ -4,12 +4,12 @@ get:
     Returns information about the all proofs of the link.
   operationId: proofsByLinkID
   tags:
-    - Proofs
+    - Links
   parameters:
     - in: path
       name: 'link_id'
       required: true
-      description: The Link ID
+      description: The Link ID (UUID or ASCII string)
       schema:
         type: string
         example: "550e8400-e29b-41d4-a716-446655440000"
diff --git a/generate.sh b/generate.sh
index fb6357a..770b4ab 100755
--- a/generate.sh
+++ b/generate.sh
@@ -4,8 +4,8 @@ GENERATOR_IMAGE=registry.gitlab.com/tokend/openapi-go-generator:c59241b52b0e37bb
 
 [[ ! -x "$(command -v go 2>/dev/null)" ]] && echo "go is not installed" && exit 1
 
-GENERATED="$(go env GOPATH)/src/github.com/rarimo/rarime-link-svc/resources"
-OPENAPI_DIR="$(go env GOPATH)/src/github.com/rarimo/rarime-link-svc/docs/web_deploy"
+GENERATED="$PWD/resources"
+OPENAPI_DIR="$PWD/docs/web_deploy"
 PACKAGE_NAME=resources
 
 function printHelp {
diff --git a/go.mod b/go.mod
index d8a8227..773f65d 100644
--- a/go.mod
+++ b/go.mod
@@ -18,14 +18,13 @@ require (
 	gitlab.com/distributed_lab/running v0.0.0-20200706131153-4af0e83eb96c
 	gitlab.com/distributed_lab/urlval v3.0.0+incompatible
 	gitlab.com/tokend/keypair v0.0.0-20190412110653-b9d7e0c8b312
+	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa
 )
 
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9 // indirect
-	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
 	github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/ethereum/go-ethereum v1.13.8 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/getsentry/raven-go v0.2.0 // indirect
@@ -36,17 +35,12 @@ require (
 	github.com/google/jsonapi v0.0.0-20200226002910-c8283f632fb7 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/holiman/uint256 v1.2.4 // indirect
-	github.com/iden3/go-iden3-core v1.0.2 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.15 // indirect
-	github.com/iden3/go-rapidsnark/types v0.0.3 // indirect
-	github.com/iden3/go-rapidsnark/verifier v0.0.5 // indirect
 	github.com/jmoiron/sqlx v1.2.0 // indirect
 	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
 	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
 	github.com/lib/pq v1.10.7 // indirect
 	github.com/magiconair/properties v1.8.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
-	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
 	github.com/pelletier/go-toml v1.2.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
diff --git a/go.sum b/go.sum
index dfbafbd..efb3212 100644
--- a/go.sum
+++ b/go.sum
@@ -19,8 +19,6 @@ github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5
 github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496 h1:zV3ejI06GQ59hwDQAvmK1qxOQGB3WuVTRoY0okPTAv0=
 github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
 github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
-github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
-github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
 github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 h1:JLaf/iINcLyjwbtTsCJjc6rtlASgHeIJPrB6QmwURnA=
 github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
@@ -31,9 +29,6 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
 github.com/dgraph-io/badger v1.6.0/go.mod h1:zwt7syl517jmP8s94KqSxTlM6IMsdhYy6psNgSztDR4=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
@@ -101,14 +96,6 @@ github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T
 github.com/holiman/uint256 v1.2.4 h1:jUc4Nk8fm9jZabQuqr2JzednajVmBpC+oiTiXZJEApU=
 github.com/holiman/uint256 v1.2.4/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/iden3/go-iden3-core v1.0.2 h1:HwNDFeqcUv4ybZj5tH+58JKWKarn/qqBpNCqTLxGP0Y=
-github.com/iden3/go-iden3-core v1.0.2/go.mod h1:X4PjlJG8OsEQEsSbzzYqqAk2olYGZ2nuGqiUPyEYjOo=
-github.com/iden3/go-iden3-crypto v0.0.15 h1:4MJYlrot1l31Fzlo2sF56u7EVFeHHJkxGXXZCtESgK4=
-github.com/iden3/go-iden3-crypto v0.0.15/go.mod h1:dLpM4vEPJ3nDHzhWFXDjzkn1qHoBeOT/3UEhXsEsP3E=
-github.com/iden3/go-rapidsnark/types v0.0.3 h1:f0s1Qdut1qHe1O67+m+xUVRBPwSXnq5j0xSrBi0jqM4=
-github.com/iden3/go-rapidsnark/types v0.0.3/go.mod h1:ApgcaUxKIgSRA6fAeFxK7p+lgXXfG4oA2HN5DhFlfF4=
-github.com/iden3/go-rapidsnark/verifier v0.0.5 h1:J7y0ovrEjDQoWtZmlrp4tgGng1A9faMeYsQH4igAEqA=
-github.com/iden3/go-rapidsnark/verifier v0.0.5/go.mod h1:KgL3Yr9NehlFDI4EIWVLE3UDUi8ulyjbp7HcXSBfiGI=
 github.com/imkira/go-interpol v1.1.0/go.mod h1:z0h2/2T3XF8kyEPpRgJ3kmNv+C43p+I/CoI+jC3w2iA=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/iris-contrib/blackfriday v2.0.0+incompatible/go.mod h1:UzZ2bDEoaSGPbkg6SAB4att1aAwTmVIx/5gCVqeyUdI=
@@ -176,8 +163,6 @@ github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/moul/http2curl v1.0.0/go.mod h1:8UbvGypXm98wA/IqH45anm5Y2Z6ep6O31QGOAZ3H0fQ=
-github.com/mr-tron/base58 v1.2.0 h1:T/HDJBh4ZCPbU39/+c3rRvE0uKBQlU27+QI8LJ4t64o=
-github.com/mr-tron/base58 v1.2.0/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/nats-io/nats.go v1.8.1/go.mod h1:BrFz9vVn0fU3AcH9Vn4Kd7W0NpJ651tD5omQ3M8LwxM=
 github.com/nats-io/nkeys v0.0.2/go.mod h1:dab7URMsZm6Z/jp9Z5UGa87Uutgc2mVpXLC4B7TDb/4=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
@@ -197,10 +182,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/poy/onpar v1.1.2 h1:QaNrNiZx0+Nar5dLgTVp5mXkyoVFIbepjyEoGSnhbAY=
 github.com/poy/onpar v1.1.2/go.mod h1:6X8FLNoxyr9kkmnlqpK6LSoiOtrO6MICtWwEuWkLjzg=
-github.com/rarimo/rarime-auth-svc v0.0.1-rc3 h1:KNvI0ifbZ3//A3a4yhKELMzyOP0Y1J5CJA30f0gaRrI=
-github.com/rarimo/rarime-auth-svc v0.0.1-rc3/go.mod h1:48c8FsJixnLeWx8F8MDy79FvhU1r0oTU11mwP3JPngQ=
-github.com/rarimo/rarime-auth-svc v0.0.1-rc7 h1:+ibnWRdc+fi27JrR3vOPLIXgOdePb29KyUCADt6HqeY=
-github.com/rarimo/rarime-auth-svc v0.0.1-rc7/go.mod h1:48c8FsJixnLeWx8F8MDy79FvhU1r0oTU11mwP3JPngQ=
 github.com/rarimo/rarime-auth-svc v0.0.1-rc8 h1:MBx51/ynR8BaRz5HvcbatYe4hnB2ZDVwM7cmGEepg+Y=
 github.com/rarimo/rarime-auth-svc v0.0.1-rc8/go.mod h1:48c8FsJixnLeWx8F8MDy79FvhU1r0oTU11mwP3JPngQ=
 github.com/rarimo/rarime-auth-svc v0.0.1-rc9 h1:JZfq1q3WaaLwa8ICk8RHEx4+ojl/JBE8N5zJ/uHZUwM=
@@ -280,6 +261,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
 golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa h1:FRnLl4eNAQl8hwxVVC17teOw8kdjVDVAiFMtgUdTSRQ=
+golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa/go.mod h1:zk2irFbV9DP96SEBUUAy67IdHUaZuSnrz1n472HUCLE=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
diff --git a/internal/assets/migrations/001_initial.sql b/internal/assets/migrations/001_initial.sql
index 754e6ab..af36176 100644
--- a/internal/assets/migrations/001_initial.sql
+++ b/internal/assets/migrations/001_initial.sql
@@ -5,17 +5,18 @@ create table if not exists proofs(
     created_at timestamp without time zone not null default now(),
     proof      jsonb not null,
     org_id     uuid not null,
-    type       text not null
+    type       text not null,
+    schema_url text not null
 );
 
 create table if not exists links(
-    id         uuid primary key not null,
+    id         text primary key not null,
     user_id    text             not null,
     created_at timestamp        not null default current_timestamp
 );
 
 create table if not exists links_to_proofs(
-    link_id  uuid not null,
+    link_id  text not null,
     proof_id uuid not null,
     primary key (link_id, proof_id),
     foreign key (link_id) references links(id) on delete cascade,
diff --git a/internal/assets/migrations/002_proof_schema.sql b/internal/assets/migrations/002_proof_schema.sql
deleted file mode 100644
index 0dd53cf..0000000
--- a/internal/assets/migrations/002_proof_schema.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- +migrate Up
-alter table proofs add column schema_url text not null default '';
-
--- +migrate Down
-alter table proofs drop column schema_url;
diff --git a/internal/data/main.go b/internal/data/main.go
index 045735d..892203b 100644
--- a/internal/data/main.go
+++ b/internal/data/main.go
@@ -2,7 +2,6 @@ package data
 
 import (
 	"context"
-
 	"github.com/google/uuid"
 )
 
@@ -33,7 +32,7 @@ type LinkQ interface {
 	Upsert(l *Link) error
 	Delete(l *Link) error
 	SelectAllCtx(ctx context.Context) ([]*Link, error)
-	LinkByID(id uuid.UUID, isForUpdate bool) (*Link, error)
+	LinkByID(id string, isForUpdate bool) (*Link, error)
 	Transaction(fn func(db LinkQ) error) error
 	InsertCtxLinkToProof(ctx context.Context, linksToProof LinksToProof) error
 	GetProofsLinksByUserID(ctx context.Context, userID string) ([]*Link, error)
@@ -42,9 +41,9 @@ type LinkQ interface {
 type LinksToProofQ interface {
 	Insert(l *LinksToProof) error
 	Delete(l *LinksToProof) error
-	LinksToProofByLinkIDProofIDCtx(ctx context.Context, linkID, proofID uuid.UUID, isForUpdate bool) (*LinksToProof, error)
+	LinksToProofByLinkIDProofIDCtx(ctx context.Context, linkID string, proofID uuid.UUID, isForUpdate bool) (*LinksToProof, error)
 	SelectAllCtx(ctx context.Context) ([]*LinksToProofQ, error)
-	GetLinksToProofsByLinkID(ctx context.Context, linkID uuid.UUID) ([]*LinksToProof, error)
+	GetLinksToProofsByLinkID(ctx context.Context, linkID string) ([]*LinksToProof, error)
 	GetLinksToProofsByProofID(ctx context.Context, proofID uuid.UUID) ([]*LinksToProof, error)
 }
 
diff --git a/internal/data/pg/links_to_proofs_schemas.go b/internal/data/pg/links_to_proofs_schemas.go
index f7a126f..a86a273 100644
--- a/internal/data/pg/links_to_proofs_schemas.go
+++ b/internal/data/pg/links_to_proofs_schemas.go
@@ -20,7 +20,7 @@ func (q LinksToProofQ) SelectAllCtx(ctx context.Context) ([]*data.LinksToProofQ,
 	return links, nil
 }
 
-func (q LinksToProofQ) GetLinksToProofsByLinkID(ctx context.Context, linkID uuid.UUID) ([]*data.LinksToProof, error) {
+func (q LinksToProofQ) GetLinksToProofsByLinkID(ctx context.Context, linkID string) ([]*data.LinksToProof, error) {
 	stmt := squirrel.Select("*").
 		From("public.links_to_proofs").
 		Where(squirrel.Eq{"link_id": linkID})
diff --git a/internal/data/pg/schema.xo.go b/internal/data/pg/schema.xo.go
index 04a535d..174508c 100644
--- a/internal/data/pg/schema.xo.go
+++ b/internal/data/pg/schema.xo.go
@@ -404,7 +404,7 @@ func (q GorpMigrationQ) GorpMigrationByID(id string, isForUpdate bool) (*data.Go
 // LinkByIDCtx retrieves a row from 'public.links' as a Link.
 //
 // Generated from index 'links_pkey'.
-func (q LinkQ) LinkByIDCtx(ctx context.Context, id uuid.UUID, isForUpdate bool) (*data.Link, error) {
+func (q LinkQ) LinkByIDCtx(ctx context.Context, id string, isForUpdate bool) (*data.Link, error) {
 	// query
 	sqlstr := `SELECT ` +
 		`id, user_id, created_at ` +
@@ -430,14 +430,14 @@ func (q LinkQ) LinkByIDCtx(ctx context.Context, id uuid.UUID, isForUpdate bool)
 // LinkByID retrieves a row from 'public.links' as a Link.
 //
 // Generated from index 'links_pkey'.
-func (q LinkQ) LinkByID(id uuid.UUID, isForUpdate bool) (*data.Link, error) {
+func (q LinkQ) LinkByID(id string, isForUpdate bool) (*data.Link, error) {
 	return q.LinkByIDCtx(context.Background(), id, isForUpdate)
 }
 
 // LinksToProofByLinkIDProofIDCtx retrieves a row from 'public.links_to_proofs' as a LinksToProof.
 //
 // Generated from index 'links_to_proofs_pkey'.
-func (q LinksToProofQ) LinksToProofByLinkIDProofIDCtx(ctx context.Context, linkID, proofID uuid.UUID, isForUpdate bool) (*data.LinksToProof, error) {
+func (q LinksToProofQ) LinksToProofByLinkIDProofIDCtx(ctx context.Context, linkID string, proofID uuid.UUID, isForUpdate bool) (*data.LinksToProof, error) {
 	// query
 	sqlstr := `SELECT ` +
 		`link_id, proof_id ` +
@@ -463,7 +463,7 @@ func (q LinksToProofQ) LinksToProofByLinkIDProofIDCtx(ctx context.Context, linkI
 // LinksToProofByLinkIDProofID retrieves a row from 'public.links_to_proofs' as a LinksToProof.
 //
 // Generated from index 'links_to_proofs_pkey'.
-func (q LinksToProofQ) LinksToProofByLinkIDProofID(linkID, proofID uuid.UUID, isForUpdate bool) (*data.LinksToProof, error) {
+func (q LinksToProofQ) LinksToProofByLinkIDProofID(linkID string, proofID uuid.UUID, isForUpdate bool) (*data.LinksToProof, error) {
 	return q.LinksToProofByLinkIDProofIDCtx(context.Background(), linkID, proofID, isForUpdate)
 }
 
diff --git a/internal/data/schema.xo.go b/internal/data/schema.xo.go
index 070683a..65b8cc9 100644
--- a/internal/data/schema.xo.go
+++ b/internal/data/schema.xo.go
@@ -73,7 +73,7 @@ type GorpMigration struct {
 
 // Link represents a row from 'public.links'.
 type Link struct {
-	ID        uuid.UUID `db:"id" json:"id" structs:"-"`                          // id
+	ID        string    `db:"id" json:"id" structs:"-"`                          // id
 	UserID    string    `db:"user_id" json:"user_id" structs:"user_id"`          // user_id
 	CreatedAt time.Time `db:"created_at" json:"created_at" structs:"created_at"` // created_at
 
@@ -81,7 +81,7 @@ type Link struct {
 
 // LinksToProof represents a row from 'public.links_to_proofs'.
 type LinksToProof struct {
-	LinkID  uuid.UUID `db:"link_id" json:"link_id" structs:"-"`   // link_id
+	LinkID  string    `db:"link_id" json:"link_id" structs:"-"`   // link_id
 	ProofID uuid.UUID `db:"proof_id" json:"proof_id" structs:"-"` // proof_id
 
 }
diff --git a/internal/services/api/handlers/create_proof_link.go b/internal/services/api/handlers/create_proof_link.go
index b79d56d..7abedae 100644
--- a/internal/services/api/handlers/create_proof_link.go
+++ b/internal/services/api/handlers/create_proof_link.go
@@ -3,6 +3,7 @@ package handlers
 import (
 	"encoding/json"
 	"net/http"
+	"strings"
 	"time"
 
 	"github.com/google/uuid"
@@ -12,11 +13,15 @@ import (
 	"gitlab.com/distributed_lab/ape"
 	"gitlab.com/distributed_lab/ape/problems"
 	"gitlab.com/distributed_lab/logan/v3/errors"
+	"golang.org/x/exp/utf8string"
 )
 
+const maxLinkNameLen = 50
+
 type ProofLink struct {
 	UserDID   string      `json:"user_did"`
 	ProofsIds []uuid.UUID `json:"proofs_ids"`
+	LinkName  *string     `json:"link_name,omitempty"`
 }
 
 type ProofLinkRequest struct {
@@ -30,6 +35,16 @@ func newProofLinkCreateRequest(r *http.Request) (*ProofLinkRequest, error) {
 		return nil, errors.Wrap(err, "failed to decode body")
 	}
 
+	if req.Data.LinkName != nil {
+		if utf8string.NewString(*req.Data.LinkName).IsASCII() {
+			if len([]rune(*req.Data.LinkName)) > maxLinkNameLen {
+				return nil, errors.New("link name length is too big")
+			}
+			return &req, nil
+		}
+		return nil, errors.New("link name is not ASCII")
+	}
+
 	return &req, nil
 }
 
@@ -46,21 +61,28 @@ func CreateProofLink(w http.ResponseWriter, r *http.Request) {
 	}
 
 	var (
+		linkID         string
 		timestamp      = time.Now().UTC()
-		linkID         = uuid.New()
 		proofs         []data.Proof
 		proofNotFound  = errors.New("proof not found")
 		invalidCreator = errors.New("invalid proof creator")
 	)
 
 	err = Storage(r).LinkQ().Transaction(func(q data.LinkQ) error {
+		linkID = uuid.New().String()
+		if req.Data.LinkName != nil {
+			linkID = *req.Data.LinkName
+		}
 		err = q.Insert(&data.Link{
 			ID:        linkID,
 			UserID:    req.Data.UserDID,
 			CreatedAt: timestamp,
 		})
-
 		if err != nil {
+			if strings.Contains(err.Error(), "duplicate key value violates unique constraint") {
+				ape.RenderErr(w, problems.Conflict())
+				return err
+			}
 			ape.RenderErr(w, problems.InternalError())
 			return err
 		}
@@ -71,7 +93,6 @@ func CreateProofLink(w http.ResponseWriter, r *http.Request) {
 				ape.RenderErr(w, problems.InternalError())
 				return err
 			}
-
 			if p == nil {
 				ape.RenderErr(w, problems.NotFound())
 				return proofNotFound
@@ -88,7 +109,6 @@ func CreateProofLink(w http.ResponseWriter, r *http.Request) {
 				LinkID:  linkID,
 				ProofID: proofID,
 			})
-
 			if err != nil {
 				ape.RenderErr(w, problems.InternalError())
 				return err
@@ -110,7 +130,7 @@ func CreateProofLink(w http.ResponseWriter, r *http.Request) {
 				Type: resources.LINKS,
 			},
 			Attributes: resources.LinkAttributes{
-				Link:      linkID.String(),
+				Link:      linkID,
 				CreatedAt: timestamp,
 			},
 		},
diff --git a/internal/services/api/handlers/get_links_by_user.go b/internal/services/api/handlers/get_links_by_user.go
index df472f3..ef451ee 100644
--- a/internal/services/api/handlers/get_links_by_user.go
+++ b/internal/services/api/handlers/get_links_by_user.go
@@ -2,13 +2,14 @@ package handlers
 
 import (
 	"context"
+	"net/http"
 
 	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/rarimo/rarime-auth-svc/pkg/auth"
 	"github.com/rarimo/rarime-link-svc/resources"
 	"gitlab.com/distributed_lab/ape"
 	"gitlab.com/distributed_lab/ape/problems"
 	"gitlab.com/distributed_lab/urlval"
-	"net/http"
 )
 
 type proofsLinksByUserDIDRequest struct {
@@ -34,6 +35,11 @@ func GetLinks(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if !auth.Authenticates(UserClaim(r), auth.UserGrant(req.UserDid)) {
+		ape.RenderErr(w, problems.Unauthorized())
+		return
+	}
+
 	proofsLinks, err := Storage(r).LinkQ().GetProofsLinksByUserID(context.Background(), req.UserDid)
 	if err != nil {
 		Log(r).WithError(err).Error("failed to get proofs")
@@ -51,12 +57,12 @@ func GetLinks(w http.ResponseWriter, r *http.Request) {
 		linkResponse := resources.LinkResponse{
 			Data: resources.Link{
 				Key: resources.Key{
-					ID:   link.ID.String(),
+					ID:   link.ID,
 					Type: resources.LINKS,
 				},
 				Attributes: resources.LinkAttributes{
 					CreatedAt: link.CreatedAt,
-					Link:      link.ID.String(),
+					Link:      link.ID,
 				},
 			},
 		}
diff --git a/internal/services/api/handlers/get_proofs_by_link.go b/internal/services/api/handlers/get_proofs_by_link.go
index f4a3106..261c1c8 100644
--- a/internal/services/api/handlers/get_proofs_by_link.go
+++ b/internal/services/api/handlers/get_proofs_by_link.go
@@ -1,31 +1,40 @@
 package handlers
 
 import (
+	"net/http"
+
 	"github.com/go-chi/chi"
 	"github.com/google/uuid"
 	"github.com/rarimo/rarime-link-svc/resources"
 	"gitlab.com/distributed_lab/ape"
 	"gitlab.com/distributed_lab/ape/problems"
 	"gitlab.com/distributed_lab/logan/v3/errors"
-	"net/http"
+	"golang.org/x/exp/utf8string"
 )
 
 type proofsByLinkID struct {
-	LinkID uuid.UUID
+	linkID string
 }
 
 func newLinkByIDRequest(r *http.Request) (proofsByLinkID, error) {
 	linkID := chi.URLParam(r, "link_id")
 	if linkID == "" {
-		return proofsByLinkID{}, errors.New("user_did is required")
+		return proofsByLinkID{}, errors.New("link_id is required")
 	}
 
 	uuidLinkID, err := uuid.Parse(linkID)
 	if err != nil {
+		if utf8string.NewString(linkID).IsASCII() {
+			return proofsByLinkID{
+				linkID: linkID,
+			}, nil
+		}
 		return proofsByLinkID{}, errors.New("invalid link_id")
 	}
 
-	return proofsByLinkID{uuidLinkID}, nil
+	return proofsByLinkID{
+		linkID: uuidLinkID.String(),
+	}, nil
 }
 
 func GetLinkByID(w http.ResponseWriter, r *http.Request) {
@@ -35,26 +44,26 @@ func GetLinkByID(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	link, err := Storage(r).LinkQ().LinkByID(req.LinkID, false)
+	link, err := Storage(r).LinkQ().LinkByID(req.linkID, false)
 	if err != nil {
 		Log(r).WithError(err).Error("failed to get link by UUID")
 		ape.RenderErr(w, problems.InternalError())
 		return
 	}
 	if link == nil {
-		Log(r).WithField("link_id", req.LinkID).Warn("link not found")
+		Log(r).WithField("link_id", req.linkID).Warn("link not found")
 		ape.RenderErr(w, problems.NotFound())
 		return
 	}
 
-	links, err := Storage(r).LinksToProofQ().GetLinksToProofsByLinkID(r.Context(), req.LinkID)
+	links, err := Storage(r).LinksToProofQ().GetLinksToProofsByLinkID(r.Context(), link.ID)
 	if err != nil {
 		Log(r).WithError(err).Error("failed to get link to proofs")
 		ape.RenderErr(w, problems.InternalError())
 		return
 	}
 	if len(links) == 0 {
-		Log(r).WithField("link_id", req.LinkID).Warn("links not found")
+		Log(r).WithField("link_id", req.linkID).Warn("links not found")
 		ape.RenderErr(w, problems.NotFound())
 		return
 	}
@@ -62,12 +71,12 @@ func GetLinkByID(w http.ResponseWriter, r *http.Request) {
 	response := resources.LinkResponse{
 		Data: resources.Link{
 			Key: resources.Key{
-				ID:   link.ID.String(),
+				ID:   link.ID,
 				Type: resources.LINKS,
 			},
 			Attributes: resources.LinkAttributes{
 				CreatedAt: link.CreatedAt,
-				Link:      link.ID.String(),
+				Link:      link.ID,
 			},
 		},
 	}
diff --git a/internal/services/api/main.go b/internal/services/api/main.go
index 2dcf331..2d39de4 100644
--- a/internal/services/api/main.go
+++ b/internal/services/api/main.go
@@ -4,13 +4,12 @@ import (
 	"context"
 	"time"
 
-	"github.com/rarimo/rarime-link-svc/internal/services/proofs_cleaner"
-	"gitlab.com/distributed_lab/logan/v3"
-
 	"github.com/go-chi/chi"
 	"github.com/rarimo/rarime-link-svc/internal/config"
 	"github.com/rarimo/rarime-link-svc/internal/services/api/handlers"
+	"github.com/rarimo/rarime-link-svc/internal/services/proofs_cleaner"
 	"gitlab.com/distributed_lab/ape"
+	"gitlab.com/distributed_lab/logan/v3"
 )
 
 func Run(ctx context.Context, cfg config.Config) {
@@ -34,29 +33,31 @@ func Run(ctx context.Context, cfg config.Config) {
 		),
 	)
 
-	r.Route("/v1", func(r chi.Router) {
-		r.Route("/proofs", func(r chi.Router) {
-			r.Group(func(r chi.Router) {
-				r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
-				r.Get("/", handlers.GetProofs)
-				r.Post("/", handlers.CreateProof)
-			})
+	r.Route("/integrations/rarime-link-svc", func(r chi.Router) {
+		r.Route("/v1", func(r chi.Router) {
+			r.Route("/proofs", func(r chi.Router) {
+				r.Group(func(r chi.Router) {
+					r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
+					r.Get("/", handlers.GetProofs)
+					r.Post("/", handlers.CreateProof)
+				})
 
-			r.Route("/{id}", func(r chi.Router) {
-				r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
-				r.Get("/", handlers.ProofByID)
+				r.Route("/{id}", func(r chi.Router) {
+					r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
+					r.Get("/", handlers.ProofByID)
+				})
 			})
-		})
 
-		r.Route("/links", func(r chi.Router) {
-			r.Group(func(r chi.Router) {
-				r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
-				r.Get("/", handlers.GetLinks)
-				r.Post("/", handlers.CreateProofLink)
-			})
+			r.Route("/links", func(r chi.Router) {
+				r.Group(func(r chi.Router) {
+					r.Use(handlers.AuthMiddleware(cfg.Auth(), cfg.Log()))
+					r.Get("/", handlers.GetLinks)
+					r.Post("/", handlers.CreateProofLink)
+				})
 
-			r.Route("/{link_id}", func(r chi.Router) {
-				r.Get("/", handlers.GetLinkByID)
+				r.Route("/{link_id}", func(r chi.Router) {
+					r.Get("/", handlers.GetLinkByID)
+				})
 			})
 		})
 	})
diff --git a/resources/model_link_attributes.go b/resources/model_link_attributes.go
index 3049748..b4575ff 100644
--- a/resources/model_link_attributes.go
+++ b/resources/model_link_attributes.go
@@ -9,6 +9,6 @@ import "time"
 type LinkAttributes struct {
 	// The date and time when the proof was created in the RFC3339 format
 	CreatedAt time.Time `json:"created_at"`
-	// UUID Link to proofs
+	// Link to proofs ID (UUID or custom ASCII string)
 	Link string `json:"link"`
 }
diff --git a/resources/model_proof_create.go b/resources/model_proof_create.go
index b639c8a..2aaa65a 100644
--- a/resources/model_proof_create.go
+++ b/resources/model_proof_create.go
@@ -11,8 +11,8 @@ type ProofCreate struct {
 	Proof string `json:"proof"`
 	// The type of the proof
 	ProofType string `json:"proof_type"`
-	// The user DID
-	UserDid string `json:"user_did"`
 	// The schema URL of the claim the proof was created based on
 	SchemaUrl string `json:"schema_url"`
+	// The user DID
+	UserDid string `json:"user_did"`
 }