diff --git a/bank-to-simbrella/firstbank_to_simbrella_core.jmx b/bank-to-simbrella/firstbank_to_simbrella_core.jmx
new file mode 100644
index 0000000..8b0498a
--- /dev/null
+++ b/bank-to-simbrella/firstbank_to_simbrella_core.jmx
@@ -0,0 +1,283 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.6.3">
+  <hashTree>
+    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="FirstBank to Simbrella CoreCall Test Plan">
+      <stringProp name="TestPlan.comments">Test plan for FirstBank to Simbrella callback APIs</stringProp>
+      <boolProp name="TestPlan.serialize_threadgroups">true</boolProp>
+      <boolProp name="TestPlan.tearDown_on_shutdown">true</boolProp>
+      <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables">
+        <collectionProp name="Arguments.arguments">
+          <elementProp name="username" elementType="Argument">
+            <stringProp name="Argument.name">username</stringProp>
+            <stringProp name="Argument.value">user</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="password" elementType="Argument">
+            <stringProp name="Argument.name">password</stringProp>
+            <stringProp name="Argument.value">password</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+        </collectionProp>
+      </elementProp>
+    </TestPlan>
+    <hashTree>
+      <ConfigTestElement guiclass="HttpDefaultsGui" testclass="ConfigTestElement" testname="HTTP Request Defaults">
+        <stringProp name="HTTPSampler.domain">${host}</stringProp>
+        <stringProp name="HTTPSampler.port">${port}</stringProp>
+        <stringProp name="HTTPSampler.protocol">${protocol}</stringProp>
+        <stringProp name="HTTPSampler.contentEncoding">UTF-8</stringProp>
+        <elementProp name="HTTPsampler.Arguments" elementType="Arguments" guiclass="HTTPArgumentsPanel" testclass="Arguments" testname="User Defined Variables">
+          <collectionProp name="Arguments.arguments"/>
+        </elementProp>
+        <stringProp name="HTTPSampler.implementation"></stringProp>
+      </ConfigTestElement>
+      <hashTree/>
+      <HeaderManager guiclass="HeaderPanel" testclass="HeaderManager" testname="HTTP Header Manager">
+        <collectionProp name="HeaderManager.headers">
+          <elementProp name="" elementType="Header">
+            <stringProp name="Header.name">Content-Type</stringProp>
+            <stringProp name="Header.value">application/json</stringProp>
+          </elementProp>
+          <elementProp name="" elementType="Header">
+            <stringProp name="Header.name">Accept</stringProp>
+            <stringProp name="Header.value">application/json</stringProp>
+          </elementProp>
+        </collectionProp>
+      </HeaderManager>
+      <hashTree/>
+      <AuthManager guiclass="AuthPanel" testclass="AuthManager" testname="HTTP Authorization Manager">
+        <collectionProp name="AuthManager.auth_list">
+          <elementProp name="" elementType="Authorization">
+            <stringProp name="Authorization.url">${BASE_PROTO}://${BASE_URL}:${BASE_PORT}</stringProp>
+            <stringProp name="Authorization.username">${username}</stringProp>
+            <stringProp name="Authorization.password">${password}</stringProp>
+            <stringProp name="Authorization.domain"></stringProp>
+            <stringProp name="Authorization.realm"></stringProp>
+          </elementProp>
+        </collectionProp>
+        <boolProp name="AuthManager.controlledByThreadGroup">false</boolProp>
+      </AuthManager>
+      <hashTree/>
+      <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="FirstBank to Simbrella CoreCall">
+        <intProp name="ThreadGroup.num_threads">5</intProp>
+        <intProp name="ThreadGroup.ramp_time">10</intProp>
+        <boolProp name="ThreadGroup.same_user_on_next_iteration">true</boolProp>
+        <stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
+        <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller">
+          <stringProp name="LoopController.loops">1</stringProp>
+          <boolProp name="LoopController.continue_forever">false</boolProp>
+        </elementProp>
+      </ThreadGroup>
+      <hashTree>
+        <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="EligibilityCheck">
+          <stringProp name="HTTPSampler.domain">${BASE_URL}</stringProp>
+          <stringProp name="HTTPSampler.port">4500</stringProp>
+          <stringProp name="HTTPSampler.protocol">http</stringProp>
+          <stringProp name="HTTPSampler.path">/EligibilityCheck</stringProp>
+          <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+          <stringProp name="HTTPSampler.method">POST</stringProp>
+          <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+          <boolProp name="HTTPSampler.postBodyRaw">true</boolProp>
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments">
+            <collectionProp name="Arguments.arguments">
+              <elementProp name="" elementType="HTTPArgument">
+                <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                <stringProp name="Argument.value">{&#xd;
+  &quot;transactionId&quot;: &quot;TRX${__time()}&quot;,&#xd;
+  &quot;countryCode&quot;: &quot;NGR&quot;,&#xd;
+  &quot;customerId&quot;: &quot;CN621868&quot;,&#xd;
+  &quot;accountId&quot;: &quot;ACN8263457&quot;,&#xd;
+  &quot;msisdn&quot;: &quot;8012345678&quot;,&#xd;
+  &quot;channel&quot;: &quot;100&quot;&#xd;
+}</stringProp>
+                <stringProp name="Argument.metadata">=</stringProp>
+              </elementProp>
+            </collectionProp>
+          </elementProp>
+        </HTTPSamplerProxy>
+        <hashTree/>
+        <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="SelectOffer">
+          <stringProp name="HTTPSampler.domain">${BASE_URL}</stringProp>
+          <stringProp name="HTTPSampler.port">4500</stringProp>
+          <stringProp name="HTTPSampler.protocol">http</stringProp>
+          <stringProp name="HTTPSampler.path">/SelectOffer</stringProp>
+          <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+          <stringProp name="HTTPSampler.method">POST</stringProp>
+          <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+          <boolProp name="HTTPSampler.postBodyRaw">true</boolProp>
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments">
+            <collectionProp name="Arguments.arguments">
+              <elementProp name="" elementType="HTTPArgument">
+                <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                <stringProp name="Argument.value">{&#xd;
+  &quot;requestId&quot;: &quot;20211${__time()}&quot;,&#xd;
+  &quot;transactionId&quot;: &quot;TRX${__time()}&quot;,&#xd;
+  &quot;customerId&quot;: &quot;1256907&quot;,&#xd;
+  &quot;accountId&quot;: &quot;5948306019&quot;,&#xd;
+  &quot;msisdn&quot;: &quot;123456789&quot;,&#xd;
+  &quot;requestedAmount&quot;: 10000,&#xd;
+  &quot;productId&quot;: &quot;101&quot;,&#xd;
+  &quot;channel&quot;: &quot;USSD&quot;&#xd;
+}</stringProp>
+                <stringProp name="Argument.metadata">=</stringProp>
+              </elementProp>
+            </collectionProp>
+          </elementProp>
+        </HTTPSamplerProxy>
+        <hashTree/>
+        <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="ProvideLoan">
+          <stringProp name="HTTPSampler.domain">${BASE_URL}</stringProp>
+          <stringProp name="HTTPSampler.port">4500</stringProp>
+          <stringProp name="HTTPSampler.protocol">http</stringProp>
+          <stringProp name="HTTPSampler.path">/ProvideLoan</stringProp>
+          <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+          <stringProp name="HTTPSampler.method">POST</stringProp>
+          <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+          <boolProp name="HTTPSampler.postBodyRaw">true</boolProp>
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments">
+            <collectionProp name="Arguments.arguments">
+              <elementProp name="" elementType="HTTPArgument">
+                <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                <stringProp name="Argument.value">{&#xd;
+  &quot;type&quot;: &quot;ProvideLoanRequest&quot;,&#xd;
+  &quot;requestId&quot;: &quot;20211${__time()}&quot;,&#xd;
+  &quot;transactionId&quot;: &quot;TRX${__time()}&quot;,&#xd;
+  &quot;customerId&quot;: &quot;CN621868&quot;,&#xd;
+  &quot;accountId&quot;: &quot;ACN8263457&quot;,&#xd;
+  &quot;msisdn&quot;: &quot;3451342&quot;,&#xd;
+  &quot;productId&quot;: &quot;101&quot;,&#xd;
+  &quot;lienAmount&quot;: 400,&#xd;
+  &quot;requestedAmount&quot;: 900,&#xd;
+  &quot;collectionType&quot;: 1,&#xd;
+  &quot;offerId&quot;: 1127,&#xd;
+  &quot;channel&quot;: &quot;100&quot;&#xd;
+}</stringProp>
+                <stringProp name="Argument.metadata">=</stringProp>
+              </elementProp>
+            </collectionProp>
+          </elementProp>
+        </HTTPSamplerProxy>
+        <hashTree/>
+        <HTTPSamplerProxy guiclass="HttpTestSampleGui" testclass="HTTPSamplerProxy" testname="LoanStatus">
+          <stringProp name="HTTPSampler.domain">${BASE_URL}</stringProp>
+          <stringProp name="HTTPSampler.port">4500</stringProp>
+          <stringProp name="HTTPSampler.protocol">http</stringProp>
+          <stringProp name="HTTPSampler.path">/LoanStatus</stringProp>
+          <boolProp name="HTTPSampler.follow_redirects">true</boolProp>
+          <stringProp name="HTTPSampler.method">POST</stringProp>
+          <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
+          <boolProp name="HTTPSampler.postBodyRaw">true</boolProp>
+          <elementProp name="HTTPsampler.Arguments" elementType="Arguments">
+            <collectionProp name="Arguments.arguments">
+              <elementProp name="" elementType="HTTPArgument">
+                <boolProp name="HTTPArgument.always_encode">false</boolProp>
+                <stringProp name="Argument.value">{&#xd;
+ &quot;transactionId&quot;: &quot;TRX${__time()}&quot;,&#xd;
+  &quot;customerId&quot;: &quot;CN621868&quot;,&#xd;
+  &quot;msisdn&quot;: &quot;3451342&quot;,&#xd;
+  &quot;channel&quot;: &quot;100&quot;&#xd;
+}</stringProp>
+                <stringProp name="Argument.metadata">=</stringProp>
+              </elementProp>
+            </collectionProp>
+          </elementProp>
+        </HTTPSamplerProxy>
+        <hashTree/>
+      </hashTree>
+      <ResultCollector guiclass="ViewResultsFullVisualizer" testclass="ResultCollector" testname="View Results Tree">
+        <boolProp name="ResultCollector.error_logging">false</boolProp>
+        <objProp>
+          <name>saveConfig</name>
+          <value class="SampleSaveConfiguration">
+            <time>true</time>
+            <latency>true</latency>
+            <timestamp>true</timestamp>
+            <success>true</success>
+            <label>true</label>
+            <code>true</code>
+            <message>true</message>
+            <threadName>true</threadName>
+            <dataType>true</dataType>
+            <encoding>false</encoding>
+            <assertions>true</assertions>
+            <subresults>true</subresults>
+            <responseData>false</responseData>
+            <samplerData>false</samplerData>
+            <xml>false</xml>
+            <fieldNames>true</fieldNames>
+            <responseHeaders>false</responseHeaders>
+            <requestHeaders>false</requestHeaders>
+            <responseDataOnError>false</responseDataOnError>
+            <saveAssertionResultsFailureMessage>true</saveAssertionResultsFailureMessage>
+            <assertionsResultsToSave>0</assertionsResultsToSave>
+            <bytes>true</bytes>
+            <sentBytes>true</sentBytes>
+            <url>true</url>
+            <threadCounts>true</threadCounts>
+            <idleTime>true</idleTime>
+            <connectTime>true</connectTime>
+          </value>
+        </objProp>
+        <stringProp name="filename"></stringProp>
+      </ResultCollector>
+      <hashTree/>
+      <ResultCollector guiclass="SummaryReport" testclass="ResultCollector" testname="Summary Report">
+        <boolProp name="ResultCollector.error_logging">false</boolProp>
+        <objProp>
+          <name>saveConfig</name>
+          <value class="SampleSaveConfiguration">
+            <time>true</time>
+            <latency>true</latency>
+            <timestamp>true</timestamp>
+            <success>true</success>
+            <label>true</label>
+            <code>true</code>
+            <message>true</message>
+            <threadName>true</threadName>
+            <dataType>true</dataType>
+            <encoding>false</encoding>
+            <assertions>true</assertions>
+            <subresults>true</subresults>
+            <responseData>false</responseData>
+            <samplerData>false</samplerData>
+            <xml>false</xml>
+            <fieldNames>true</fieldNames>
+            <responseHeaders>false</responseHeaders>
+            <requestHeaders>false</requestHeaders>
+            <responseDataOnError>false</responseDataOnError>
+            <saveAssertionResultsFailureMessage>true</saveAssertionResultsFailureMessage>
+            <assertionsResultsToSave>0</assertionsResultsToSave>
+            <bytes>true</bytes>
+            <sentBytes>true</sentBytes>
+            <url>true</url>
+            <threadCounts>true</threadCounts>
+            <idleTime>true</idleTime>
+            <connectTime>true</connectTime>
+          </value>
+        </objProp>
+        <stringProp name="filename"></stringProp>
+      </ResultCollector>
+      <hashTree/>
+      <Arguments guiclass="ArgumentsPanel" testclass="Arguments" testname="Env. User Defined Variables">
+        <collectionProp name="Arguments.arguments">
+          <elementProp name="BASE_URL" elementType="Argument">
+            <stringProp name="Argument.name">BASE_URL</stringProp>
+            <stringProp name="Argument.value">api.dev.simbrellang.net</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="BASE_PORT" elementType="Argument">
+            <stringProp name="Argument.name">BASE_PORT</stringProp>
+            <stringProp name="Argument.value">4500</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+          <elementProp name="BASE_PROTO" elementType="Argument">
+            <stringProp name="Argument.name">BASE_PROTO</stringProp>
+            <stringProp name="Argument.value">http</stringProp>
+            <stringProp name="Argument.metadata">=</stringProp>
+          </elementProp>
+        </collectionProp>
+      </Arguments>
+      <hashTree/>
+    </hashTree>
+  </hashTree>
+</jmeterTestPlan>