diff --git a/api/applicant_consent_data.bal b/api/applicant_consent_data.bal
index 6a06f27..035479b 100644
--- a/api/applicant_consent_data.bal
+++ b/api/applicant_consent_data.bal
@@ -42,6 +42,12 @@ public isolated service class ApplicantConsentData {
         return new AvinyaTypeData(id);
     }
 
+    isolated resource function get active() returns boolean? {
+        lock {
+            return self.applicant_consent.active;
+        }
+    }
+
     isolated resource function get phone() returns int? {
         lock {
             return self.applicant_consent.phone;
diff --git a/api/main.bal b/api/main.bal
index 1b5cad2..a5b6f6c 100644
--- a/api/main.bal
+++ b/api/main.bal
@@ -64,8 +64,9 @@ service graphql:Service /graphql on new graphql:Listener(4000) {
         ApplicantConsent|error? applicantConsentRaw = db_client -> queryRow(
             `SELECT *
             FROM avinya_db.applicant_consent
-            WHERE email = ${applicantConsent.email}  OR
-            phone = ${applicantConsent.phone};`
+            WHERE (email = ${applicantConsent.email}  OR
+            phone = ${applicantConsent.phone}) AND 
+            active = TRUE;`
         );
         
         if(applicantConsentRaw is ApplicantConsent) {
@@ -128,6 +129,18 @@ service graphql:Service /graphql on new graphql:Listener(4000) {
     }
 
     remote function add_prospect(Prospect prospect) returns ProspectData|error? {
+        Prospect|error? prospectRaw = db_client -> queryRow(
+            `SELECT *
+            FROM avinya_db.applicant_consent
+            WHERE (email = ${prospect.email}  OR
+            phone = ${prospect.phone}) AND 
+            active = TRUE;`
+        );
+        
+        if(prospectRaw is Prospect) {
+            return error("Prospect already exists. The phone or the email you provided is already used by another prospect");
+        }
+        
         sql:ExecutionResult res = check db_client->execute(
             `INSERT INTO avinya_db.prospect (
                 name,
diff --git a/api/prospect_data.bal b/api/prospect_data.bal
index cb6304d..33e5321 100644
--- a/api/prospect_data.bal
+++ b/api/prospect_data.bal
@@ -30,6 +30,12 @@ public isolated service class ProspectData {
         self.prospect = consent_raw.cloneReadOnly();
     }
 
+    isolated resource function get active() returns boolean? {
+        lock {
+            return self.prospect.active;
+        }
+    }
+
     isolated resource function get phone() returns int? {
         lock {
             return self.prospect.phone;
diff --git a/api/types.bal b/api/types.bal
index b671f0a..499419d 100644
--- a/api/types.bal
+++ b/api/types.bal
@@ -228,6 +228,7 @@ public type WorkExperienceEvaluation record {|
 public type ApplicantConsent record {|
     readonly string? record_type = "applicant_consent";
     int id?;
+    boolean? active;
     int? organization_id;
     int? avinya_type_id;
     int? person_id;
@@ -247,6 +248,7 @@ public type ApplicantConsent record {|
 public type Prospect record {|
     readonly string? record_type = "prospect";
     int id?;
+    boolean? active;
     string? name;
     int? phone;
     string? email;