diff --git a/uniffi_aries_vcx/core/Cargo.toml b/uniffi_aries_vcx/core/Cargo.toml
index 14b97124cf..e46a3272de 100644
--- a/uniffi_aries_vcx/core/Cargo.toml
+++ b/uniffi_aries_vcx/core/Cargo.toml
@@ -30,4 +30,4 @@ shared_vcx = { path = "../../shared_vcx" }
 url = "2.3.1"
 
 [build-dependencies]
-uniffi = { version = "0.23.0", features = [ "build", "cli" ] }
+uniffi = { version = "0.23.0", features = ["build", "cli"] }
diff --git a/uniffi_aries_vcx/core/src/handlers/connection.rs b/uniffi_aries_vcx/core/src/handlers/connection.rs
index 391fdb05eb..e6d5ab6c79 100644
--- a/uniffi_aries_vcx/core/src/handlers/connection.rs
+++ b/uniffi_aries_vcx/core/src/handlers/connection.rs
@@ -237,4 +237,20 @@ impl Connection {
             Ok(())
         })
     }
+
+    pub fn send_message(
+        &self,
+        profile_holder: Arc<ProfileHolder>,
+        message: String,
+    ) -> VcxUniFFIResult<()> {
+        let message = serde_json::from_str(&message)?;
+        let handler = self.handler.lock()?.clone();
+
+        block_on(async {
+            handler
+                .send_message(profile_holder.inner.wallet(), &message, &HttpClient)
+                .await?;
+            Ok(())
+        })
+    }
 }
diff --git a/uniffi_aries_vcx/core/src/handlers/holder.rs b/uniffi_aries_vcx/core/src/handlers/holder.rs
new file mode 100644
index 0000000000..a3b295cb29
--- /dev/null
+++ b/uniffi_aries_vcx/core/src/handlers/holder.rs
@@ -0,0 +1,250 @@
+use std::sync::{Arc, Mutex};
+
+use aries_vcx::{
+    handlers::issuance::holder::Holder as VcxHolder,
+    protocols::issuance::holder::state_machine::HolderState as VcxHolderState,
+};
+
+use crate::{core::profile::ProfileHolder, errors::error::VcxUniFFIResult, runtime::block_on};
+pub struct Holder {
+    handler: Mutex<VcxHolder>,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub enum HolderState {
+    Initial,
+    ProposalSet,
+    OfferReceived,
+    RequestSet,
+    Finished,
+    Failed,
+}
+
+impl From<VcxHolderState> for HolderState {
+    fn from(x: VcxHolderState) -> Self {
+        match x {
+            VcxHolderState::Initial => HolderState::Initial,
+            VcxHolderState::ProposalSet => HolderState::ProposalSet,
+            VcxHolderState::OfferReceived => HolderState::OfferReceived,
+            VcxHolderState::RequestSet => HolderState::RequestSet,
+            VcxHolderState::Finished => HolderState::Finished,
+            VcxHolderState::Failed => HolderState::Failed,
+        }
+    }
+}
+
+pub fn create(source_id: String) -> VcxUniFFIResult<Arc<Holder>> {
+    block_on(async {
+        let handler = Mutex::new(VcxHolder::create(&source_id)?);
+        Ok(Arc::new(Holder { handler }))
+    })
+}
+
+pub fn create_from_offer(source_id: String, offer_message: String) -> VcxUniFFIResult<Arc<Holder>> {
+    let offer_message = serde_json::from_str(&offer_message)?;
+    block_on(async {
+        let handler = Mutex::new(VcxHolder::create_from_offer(&source_id, offer_message)?);
+        Ok(Arc::new(Holder { handler }))
+    })
+}
+
+pub fn create_with_proposal(
+    source_id: String,
+    propose_credential: String,
+) -> VcxUniFFIResult<Arc<Holder>> {
+    let propose_credential = serde_json::from_str(&propose_credential)?;
+
+    block_on(async {
+        let handler = Mutex::new(VcxHolder::create_with_proposal(
+            &source_id,
+            propose_credential,
+        )?);
+        Ok(Arc::new(Holder { handler }))
+    })
+}
+
+impl Holder {
+    pub fn set_proposal(&self, credential_proposal: String) -> VcxUniFFIResult<()> {
+        let mut handler = self.handler.lock()?;
+
+        handler.set_proposal(serde_json::from_str(&credential_proposal)?)?;
+        Ok(())
+    }
+
+    pub fn prepare_credential_request(
+        &self,
+        profile: Arc<ProfileHolder>,
+        my_pw_did: String,
+    ) -> VcxUniFFIResult<()> {
+        let mut handler = self.handler.lock()?;
+        let mut holder = handler.clone();
+
+        block_on(async {
+            holder
+                .prepare_credential_request(
+                    profile.inner.wallet(),
+                    profile.inner.ledger_read(),
+                    profile.inner.anoncreds(),
+                    my_pw_did,
+                )
+                .await?;
+            *handler = holder;
+
+            Ok(())
+        })
+    }
+
+    pub fn get_msg_credential_request(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(serde_json::to_string(
+            &handler.clone().get_msg_credential_request()?,
+        )?)
+    }
+
+    pub fn decline_offer(&self, comment: Option<String>) -> VcxUniFFIResult<String> {
+        let mut handler = self.handler.lock()?;
+        let mut holder = handler.clone();
+        let problem_report_result = &holder.decline_offer(comment.as_deref())?;
+        *handler = holder;
+
+        Ok(serde_json::to_string(problem_report_result)?)
+    }
+
+    pub fn process_credential(
+        &self,
+        profile: Arc<ProfileHolder>,
+        credential: String,
+    ) -> VcxUniFFIResult<()> {
+        let credential = serde_json::from_str(&credential)?;
+        let mut handler = self.handler.lock()?;
+        let mut holder = handler.clone();
+
+        block_on(async {
+            holder
+                .process_credential(
+                    profile.inner.wallet(),
+                    profile.inner.ledger_read(),
+                    profile.inner.anoncreds(),
+                    credential,
+                )
+                .await?;
+            *handler = holder;
+            Ok(())
+        })
+    }
+
+    pub fn is_terminal_state(&self) -> VcxUniFFIResult<bool> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.is_terminal_state())
+    }
+
+    pub fn get_state(&self) -> VcxUniFFIResult<HolderState> {
+        let handler = self.handler.lock()?;
+
+        Ok(HolderState::from(handler.get_state()))
+    }
+
+    pub fn get_source_id(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_source_id())
+    }
+
+    pub fn get_credential(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+        let credential = handler.get_credential()?;
+        Ok(credential.0)
+    }
+
+    pub fn get_attributes(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_attributes()?)
+    }
+
+    pub fn get_attachment(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_attachment()?)
+    }
+
+    pub fn get_offer(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(serde_json::to_string(&(handler.get_offer()?))?)
+    }
+
+    pub fn get_tails_location(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_tails_location()?)
+    }
+
+    pub fn get_tails_hash(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_tails_hash()?)
+    }
+
+    pub fn get_rev_reg_id(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_rev_reg_id()?)
+    }
+
+    pub fn get_cred_id(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_cred_id()?)
+    }
+
+    pub fn get_thread_id(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(handler.get_thread_id()?)
+    }
+
+    pub fn is_revokable(&self, profile: Arc<ProfileHolder>) -> VcxUniFFIResult<bool> {
+        let handler = self.handler.lock()?.clone();
+
+        block_on(async { Ok(handler.is_revokable(profile.inner.ledger_read()).await?) })
+    }
+
+    pub fn is_revoked(&self, profile: Arc<ProfileHolder>) -> VcxUniFFIResult<bool> {
+        let handler = self.handler.lock()?.clone();
+
+        block_on(async {
+            Ok(handler
+                .is_revoked(
+                    profile.inner.wallet(),
+                    profile.inner.ledger_read(),
+                    profile.inner.anoncreds(),
+                )
+                .await?)
+        })
+    }
+
+    pub fn get_cred_rev_id(&self, profile: Arc<ProfileHolder>) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?.clone();
+
+        block_on(async {
+            Ok(handler
+                .get_cred_rev_id(profile.inner.wallet(), profile.inner.anoncreds())
+                .await?)
+        })
+    }
+
+    pub fn get_problem_report(&self) -> VcxUniFFIResult<String> {
+        let handler = self.handler.lock()?;
+
+        Ok(serde_json::to_string(&handler.get_problem_report()?)?)
+    }
+
+    pub fn get_final_message(&self) -> VcxUniFFIResult<Option<String>> {
+        let handler = self.handler.lock()?;
+
+        Ok(Some(serde_json::to_string(&handler.get_final_message()?)?))
+    }
+}
diff --git a/uniffi_aries_vcx/core/src/handlers/mod.rs b/uniffi_aries_vcx/core/src/handlers/mod.rs
index b3b606b40c..b1ff1075cd 100644
--- a/uniffi_aries_vcx/core/src/handlers/mod.rs
+++ b/uniffi_aries_vcx/core/src/handlers/mod.rs
@@ -1 +1,2 @@
 pub mod connection;
+pub mod holder;
diff --git a/uniffi_aries_vcx/core/src/lib.rs b/uniffi_aries_vcx/core/src/lib.rs
index c647641b7c..a6bad31599 100644
--- a/uniffi_aries_vcx/core/src/lib.rs
+++ b/uniffi_aries_vcx/core/src/lib.rs
@@ -8,7 +8,7 @@ pub mod runtime;
 use aries_vcx::{
     aries_vcx_core::wallet::indy::WalletConfig, protocols::connection::pairwise_info::PairwiseInfo,
 };
-use handlers::connection::*;
+use handlers::{connection::*, holder::*};
 
 use crate::{
     core::{profile::*, unpack_message::*},
diff --git a/uniffi_aries_vcx/core/src/vcx.udl b/uniffi_aries_vcx/core/src/vcx.udl
index 412455643e..2df09828e8 100644
--- a/uniffi_aries_vcx/core/src/vcx.udl
+++ b/uniffi_aries_vcx/core/src/vcx.udl
@@ -68,6 +68,83 @@ interface Connection {
     void send_ack(ProfileHolder profile);
 };
 
+interface Holder {
+    [Throws=VcxUniFFIError]
+    void set_proposal(string credential_proposal);
+
+    [Throws=VcxUniFFIError]
+    void prepare_credential_request(ProfileHolder profile, string my_pw_did);
+
+    [Throws=VcxUniFFIError]
+    string get_msg_credential_request();
+
+    [Throws=VcxUniFFIError]
+    string decline_offer(string? comment);
+
+    [Throws=VcxUniFFIError]
+    void process_credential(ProfileHolder profile, string credential);
+
+    [Throws=VcxUniFFIError]
+    boolean is_terminal_state();
+
+    [Throws=VcxUniFFIError]
+    HolderState get_state();
+
+    [Throws=VcxUniFFIError]
+    string get_source_id();
+
+    [Throws=VcxUniFFIError]
+    string get_credential();
+
+    [Throws=VcxUniFFIError]
+    string get_attributes();
+
+    [Throws=VcxUniFFIError]
+    string get_attachment();
+
+    [Throws=VcxUniFFIError]
+    string get_offer();
+
+    [Throws=VcxUniFFIError]
+    string get_tails_location();
+
+    [Throws=VcxUniFFIError]
+    string get_tails_hash();
+
+    [Throws=VcxUniFFIError]
+    string get_rev_reg_id();
+
+    [Throws=VcxUniFFIError]
+    string get_cred_id();
+
+    [Throws=VcxUniFFIError]
+    string get_thread_id();
+
+    [Throws=VcxUniFFIError]
+    boolean is_revokable(ProfileHolder profile);
+
+    [Throws=VcxUniFFIError]
+    boolean is_revoked(ProfileHolder profile);
+
+    [Throws=VcxUniFFIError]
+    string get_cred_rev_id(ProfileHolder profile);
+
+    [Throws=VcxUniFFIError]
+    string get_problem_report();
+
+    [Throws=VcxUniFFIError]
+    string? get_final_message();
+};
+
+enum HolderState {
+    "Initial",
+    "ProposalSet",
+    "OfferReceived",
+    "RequestSet",
+    "Finished",
+    "Failed"
+};
+
 [Error]
 enum VcxUniFFIError {
     "AriesVcxError",
@@ -88,4 +165,13 @@ namespace vcx {
 
     [Throws=VcxUniFFIError]
     UnpackMessage unpack_message(ProfileHolder profile, string packed_msg);
+
+    [Throws=VcxUniFFIError]
+    Holder create(string source_id);
+
+    [Throws=VcxUniFFIError]
+    Holder create_from_offer(string source_id, string offer_message);
+
+    [Throws=VcxUniFFIError]
+    Holder create_with_proposal(string source_id, string propose_credential);
 };