diff --git a/src/pages/components/CertificateActionsButtons.js b/src/pages/components/CertificateActionsButtons.js
index 93c8c86d..b9b1e911 100644
--- a/src/pages/components/CertificateActionsButtons.js
+++ b/src/pages/components/CertificateActionsButtons.js
@@ -4,6 +4,12 @@ import styled from 'styled-components'
 import { Grid, Button } from '@digicatapult/ui-component-library'
 
 export default function CertificateActionsButtons() {
+  // START
+  const [data, setData] = useState(null)
+  const [error, setError] = useState('')
+  const [loading, setLoading] = useState(false)
+  // END
+
   const [isWaitingVal, setIsWaitingVal] = useState(false)
 
   const handleClickSaveDraft = (e) => {
@@ -22,6 +28,36 @@ export default function CertificateActionsButtons() {
     }, 2000)
   }
 
+  // START
+  // check w/ u=http://localhost:8000/v1/certificate ; len=$(curl -s $u | jq length) ; curl -s $u | jq .[$((r - 1))]
+  const handleClick = () => {
+    const url = 'http://localhost:8000/v1/certificate'
+    const obj = {
+      energy_consumed_wh: 2000000,
+      production_start_time: '2024-01-25T10:00:00.000Z',
+      production_end_time: '2024-01-25T20:00:00.000Z',
+      regulator: 'Reginald',
+      energy_owner: 'Emma',
+      hydrogen_quantity_wh: 2000000,
+    }
+    setLoading(true)
+    fetch(url, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(obj),
+    })
+      .then((r) => r.json())
+      .then((data) => {
+        setData(data)
+        setLoading(false)
+      })
+      .catch((error) => {
+        setError(error)
+        setLoading(false)
+      })
+  }
+  // END
+
   return (
     <Sidebar area="sidebar">
       <PaddedDiv>
@@ -58,6 +94,15 @@ export default function CertificateActionsButtons() {
               Submit
               {isWaitingVal && <span>...</span>}
             </LargeButton>
+            <br />
+            <hr />
+            <button type="button" onClick={handleClick}>
+              {loading == false && data == null && <span>Submit</span>}
+              {loading == false && data != null && <span>Submitted</span>}
+              {loading && <span>...</span>}
+            </button>
+            {error && <div>ERROR</div>}
+            {data && <div>{JSON.stringify(data)}</div>}
           </Grid.Panel>
         </Grid>
       </PaddedDiv>