diff --git a/fplus-lib/src/config.rs b/fplus-lib/src/config.rs
index 2498ccac..b190cef3 100644
--- a/fplus-lib/src/config.rs
+++ b/fplus-lib/src/config.rs
@@ -33,7 +33,7 @@ pub fn default_env_vars() -> &'static HashMap<&'static str, &'static str> {
         m.insert("GITCOIN_MINIMUM_SCORE", "30");
         m.insert("KYC_URL", "https://kyc.allocator.tech");
         m.insert("RPC_URL", "https://mainnet.optimism.io");
-        m.insert("DMOB_API_URL", "https://api.datacapstats.io/public/api");
+        m.insert("DMOB_API_URL", "https://api.datacapstats.io");
         m.insert("DMOB_API_KEY", "5c993a17-7b18-4ead-a8a8-89dad981d87e");
         m.insert("DAYS_TO_NEXT_AUTOALLOCATION", "14");
         m.insert(
diff --git a/fplus-lib/src/core/mod.rs b/fplus-lib/src/core/mod.rs
index a8c6b2f6..a228cbbb 100644
--- a/fplus-lib/src/core/mod.rs
+++ b/fplus-lib/src/core/mod.rs
@@ -15,6 +15,7 @@ use reqwest::Response;
 use serde::{Deserialize, Serialize};
 use serde_json::from_str;
 
+use crate::external_services::dmob::get_client_allocation;
 use crate::{
     base64,
     config::get_env_var_or_default,
@@ -752,6 +753,33 @@ impl LDNApplication {
                             }
                         }
                     }
+
+                    match get_client_allocation(&application_id).await {
+                        Ok(response) => {
+                            if response.count.is_some() {
+                                log::info!("Allocation found for client {}", application_id);
+                                Self::issue_pathway_mismatch_comment(
+                                    issue_number,
+                                    info.owner,
+                                    info.repo,
+                                    None,
+                                )
+                                .await?;
+
+                                return Err(LDNError::New(
+                                    "Pathway mismatch: Client has already allocation".to_string(),
+                                ));
+                            } else {
+                                log::info!("Client allocation not found");
+                            }
+                        }
+                        Err(e) => {
+                            return Err(LDNError::New(format!(
+                                "Getting client allocation failed /// {}",
+                                e
+                            )));
+                        }
+                    }
                 }
 
                 let file_content = match serde_json::to_string_pretty(&application_file) {
diff --git a/fplus-lib/src/external_services/blockchain.rs b/fplus-lib/src/external_services/blockchain.rs
index 6ca421ef..3e69c66a 100644
--- a/fplus-lib/src/external_services/blockchain.rs
+++ b/fplus-lib/src/external_services/blockchain.rs
@@ -42,7 +42,11 @@ impl BlockchainData {
 
         BlockchainData {
             client,
-            base_url: get_env_var_or_default("DMOB_API_URL"),
+            base_url: format!(
+                "{}{}",
+                get_env_var_or_default("DMOB_API_URL"),
+                "/public/api"
+            ),
         }
     }
 
diff --git a/fplus-lib/src/external_services/dmob.rs b/fplus-lib/src/external_services/dmob.rs
new file mode 100644
index 00000000..883f8e07
--- /dev/null
+++ b/fplus-lib/src/external_services/dmob.rs
@@ -0,0 +1,19 @@
+use crate::config::get_env_var_or_default;
+use crate::models::dmob::VerifiedClientResponse;
+
+pub async fn get_client_allocation(
+    address: &str,
+) -> Result<VerifiedClientResponse, reqwest::Error> {
+    let api_url = get_env_var_or_default("DMOB_API_URL");
+    let url = format!("{}/api/getVerifiedClients?filter={}", api_url, address);
+
+    let client = reqwest::Client::new();
+
+    let response = client
+        .get(&url)
+        .send()
+        .await?
+        .json::<VerifiedClientResponse>()
+        .await?;
+    Ok(response)
+}
diff --git a/fplus-lib/src/external_services/mod.rs b/fplus-lib/src/external_services/mod.rs
index 81c6ad3f..2749809a 100644
--- a/fplus-lib/src/external_services/mod.rs
+++ b/fplus-lib/src/external_services/mod.rs
@@ -1,3 +1,4 @@
 pub mod blockchain;
+pub mod dmob;
 pub mod filecoin;
 pub mod github;
diff --git a/fplus-lib/src/models/dmob.rs b/fplus-lib/src/models/dmob.rs
new file mode 100644
index 00000000..03c5b52a
--- /dev/null
+++ b/fplus-lib/src/models/dmob.rs
@@ -0,0 +1,24 @@
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct VerifiedClientResponse {
+    #[serde(deserialize_with = "number_to_string")]
+    pub count: Option<String>,
+}
+
+fn number_to_string<'de, D>(de: D) -> Result<Option<String>, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    let helper: Value = Deserialize::deserialize(de)?;
+
+    match helper {
+        Value::Number(n) => Ok(n
+            .as_u64()
+            .filter(|&number| number != 0)
+            .map(|_| n.to_string())),
+        Value::String(s) => Ok(Some(s)),
+        _ => Ok(None),
+    }
+}
diff --git a/fplus-lib/src/models/mod.rs b/fplus-lib/src/models/mod.rs
index b7821eb5..f3e065eb 100644
--- a/fplus-lib/src/models/mod.rs
+++ b/fplus-lib/src/models/mod.rs
@@ -1 +1,2 @@
+pub mod dmob;
 pub mod filecoin;