diff --git a/app/static/js/Requests/Contributions.js b/app/static/js/Requests/Contributions.js
new file mode 100644
index 00000000..30605135
--- /dev/null
+++ b/app/static/js/Requests/Contributions.js
@@ -0,0 +1,51 @@
+/*****************************************************************************
+* Contributions                                                              *
+* Fetch requests for /contributions routes                                   *
+*****************************************************************************/
+Requests.contributions = {};
+
+Requests.contributions.spacy_nlp_pipeline_models = {};
+
+Requests.contributions.spacy_nlp_pipeline_models.ent = {};
+
+Requests.contributions.spacy_nlp_pipeline_models.ent.delete = (spacyNlpPipelineModelId) => {
+  let input = `/contributions/spacy-nlp-pipeline-models/${spacyNlpPipelineModelId}`;
+  let init = {
+    method: 'DELETE'
+  };
+  return Requests.JSONfetch(input, init);
+};
+
+Requests.contributions.spacy_nlp_pipeline_models.ent.isPublic = {};
+
+Requests.contributions.spacy_nlp_pipeline_models.ent.isPublic.update = (spacyNlpPipelineModelId, value) => {
+  let input = `/contributions/spacy-nlp-pipeline-models/${spacyNlpPipelineModelId}/is_public`;
+  let init = {
+    method: 'PUT',
+    body: JSON.stringify(value)
+  };
+  return Requests.JSONfetch(input, init);
+};
+
+Requests.contributions.tesseract_ocr_pipeline_models = {};
+
+Requests.contributions.tesseract_ocr_pipeline_models.ent = {};
+
+Requests.contributions.tesseract_ocr_pipeline_models.ent.delete = (tesseractOcrPipelineModelId) => {
+  let input = `/contributions/tesseract-ocr-pipeline-models/${tesseractOcrPipelineModelId}`;
+  let init = {
+    method: 'DELETE'
+  };
+  return Requests.JSONfetch(input, init);
+};
+
+Requests.contributions.tesseract_ocr_pipeline_models.ent.isPublic = {};
+
+Requests.contributions.tesseract_ocr_pipeline_models.ent.isPublic.update = (tesseractOcrPipelineModelId, value) => {
+  let input = `/contributions/tesseract-ocr-pipeline-models/${tesseractOcrPipelineModelId}/is_public`;
+  let init = {
+    method: 'PUT',
+    body: JSON.stringify(value)
+  };
+  return Requests.JSONfetch(input, init);
+};
diff --git a/app/static/js/Requests/Requests.js b/app/static/js/Requests/Requests.js
new file mode 100644
index 00000000..41f05a7f
--- /dev/null
+++ b/app/static/js/Requests/Requests.js
@@ -0,0 +1,37 @@
+Requests = {};
+
+Requests.JSONfetch = (input, init={}) => {
+  return new Promise((resolve, reject) => {
+    let fixedInit = {};
+    fixedInit.headers = {};
+    fixedInit.headers['Accept'] = 'application/json';
+    if (init.hasOwnProperty('body')) {
+      fixedInit.headers['Content-Type'] = 'application/json';
+    }
+    fetch(input, Utils.mergeObjectsDeep(init, fixedInit))
+      .then(
+        (response) => {
+          response.json()
+            .then(
+              (json) => {
+                let message = json.message || json;
+                let category = json.category || 'message';
+                app.flash(message, category);
+              },
+              (error) => {
+                app.flash(`[${response.status}]: ${response.statusText}`, 'error');
+              }
+            );
+          if (response.ok) {
+            resolve(response);
+          } else {
+            reject(response);
+          }
+        },
+        (response) => {
+          app.flash('Something went wrong', 'error');
+          reject(response);
+        }
+      );
+  });
+};
diff --git a/app/static/js/RessourceDisplays/CorpusDisplay.js b/app/static/js/ResourceDisplays/CorpusDisplay.js
similarity index 91%
rename from app/static/js/RessourceDisplays/CorpusDisplay.js
rename to app/static/js/ResourceDisplays/CorpusDisplay.js
index ab462e9b..07f0a9be 100644
--- a/app/static/js/RessourceDisplays/CorpusDisplay.js
+++ b/app/static/js/ResourceDisplays/CorpusDisplay.js
@@ -1,16 +1,11 @@
-class CorpusDisplay extends RessourceDisplay {
+class CorpusDisplay extends ResourceDisplay {
   constructor(displayElement) {
     super(displayElement);
     this.corpusId = displayElement.dataset.corpusId;
     this.displayElement
       .querySelector('.action-button[data-action="build-request"]')
       .addEventListener('click', (event) => {
-        Utils.buildCorpusRequest(this.userId, this.corpusId);
-      });
-    this.displayElement
-      .querySelector('.action-button[data-action="delete-request"]')
-      .addEventListener('click', (event) => {
-        Utils.deleteCorpusRequest(this.userId, this.corpusId);
+        Requests.corpora.corpus.build(this.corpusId);
       });
   }
 
diff --git a/app/static/js/RessourceDisplays/JobDisplay.js b/app/static/js/ResourceDisplays/JobDisplay.js
similarity index 99%
rename from app/static/js/RessourceDisplays/JobDisplay.js
rename to app/static/js/ResourceDisplays/JobDisplay.js
index 03c5601b..8b94e49b 100644
--- a/app/static/js/RessourceDisplays/JobDisplay.js
+++ b/app/static/js/ResourceDisplays/JobDisplay.js
@@ -1,4 +1,4 @@
-class JobDisplay extends RessourceDisplay {
+class JobDisplay extends ResourceDisplay {
   constructor(displayElement) {
     super(displayElement);
     this.jobId = this.displayElement.dataset.jobId;
diff --git a/app/static/js/RessourceDisplays/RessourceDisplay.js b/app/static/js/ResourceDisplays/ResourceDisplay.js
similarity index 97%
rename from app/static/js/RessourceDisplays/RessourceDisplay.js
rename to app/static/js/ResourceDisplays/ResourceDisplay.js
index a07c2163..24a5dec3 100644
--- a/app/static/js/RessourceDisplays/RessourceDisplay.js
+++ b/app/static/js/ResourceDisplays/ResourceDisplay.js
@@ -1,4 +1,4 @@
-class RessourceDisplay {
+class ResourceDisplay {
   constructor(displayElement) {
     this.displayElement = displayElement;
     this.userId = this.displayElement.dataset.userId;
diff --git a/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js b/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
index 405c29d6..5997fb0c 100644
--- a/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
+++ b/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
@@ -120,7 +120,7 @@ class SpaCyNLPPipelineModelList extends ResourceList {
     switch (listAction) {
       case 'toggle-is-public': {
         let newIsPublicValue = listActionElement.checked;
-        Utils.updateSpaCyNLPPipelineModelIsPublicRequest(itemId, newIsPublicValue)
+        Requests.contributions.spacy_nlp_pipeline_models.ent.isPublic.update(itemId, newIsPublicValue)
           .catch((response) => {
             listActionElement.checked = !newIsPublicValue;
           });
@@ -141,7 +141,7 @@ class SpaCyNLPPipelineModelList extends ResourceList {
     let listAction = listActionElement === null ? 'view' : listActionElement.dataset.listAction;
     switch (listAction) {
       case 'delete-request': {
-        Utils.deleteSpaCyNLPPipelineModelRequest(this.userId, itemId);
+        Requests.contributions.spacy_nlp_pipeline_models.ent.delete(itemId);
         break;
       }
       case 'view': {
diff --git a/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js b/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
index 8d9ce515..29d48dbb 100644
--- a/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
+++ b/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
@@ -129,7 +129,7 @@ class TesseractOCRPipelineModelList extends ResourceList {
     switch (listAction) {
       case 'toggle-is-public': {
         let newIsPublicValue = listActionElement.checked;
-        Utils.updateTesseractOCRPipelineModelIsPublicRequest(itemId, newIsPublicValue)
+        Requests.contributions.tesseract_ocr_pipeline_models.ent.isPublic.update(itemId, newIsPublicValue)
           .catch((response) => {
             listActionElement.checked = !newIsPublicValue;
           });
@@ -155,7 +155,7 @@ class TesseractOCRPipelineModelList extends ResourceList {
     let listAction = listActionElement === null ? 'view' : listActionElement.dataset.listAction;
     switch (listAction) {
       case 'delete-request': {
-        Utils.deleteTesseractOCRPipelineModelRequest(this.userId, itemId);
+        Requests.contributions.tesseract_ocr_pipeline_models.ent.delete(itemId);
         break;
       }
       case 'view': {
diff --git a/app/templates/_scripts.html.j2 b/app/templates/_scripts.html.j2
index 18cde5b8..a97f1d97 100644
--- a/app/templates/_scripts.html.j2
+++ b/app/templates/_scripts.html.j2
@@ -6,18 +6,37 @@
   output='gen/app.%(version)s.js',
   'js/App.js',
   'js/Utils.js',
-  'js/Forms/Form.js',
-  'js/Forms/CreateCorpusFileForm.js',
-  'js/Forms/CreateJobForm.js',
-  'js/Forms/CreateContributionForm.js',
   'js/CorpusAnalysis/CQiClient.js',
   'js/CorpusAnalysis/CorpusAnalysisApp.js',
   'js/CorpusAnalysis/CorpusAnalysisConcordance.js',
   'js/CorpusAnalysis/CorpusAnalysisReader.js',
   'js/CorpusAnalysis/QueryBuilder.js',
-  'js/RessourceDisplays/RessourceDisplay.js',
-  'js/RessourceDisplays/CorpusDisplay.js',
-  'js/RessourceDisplays/JobDisplay.js',
+  'js/XMLtoObject.js'
+%}
+<script src="{{ ASSET_URL }}"></script>
+{%- endassets %}
+{%- assets
+  filters='rjsmin',
+  output='gen/Forms.%(version)s.js',
+  'js/Forms/Form.js',
+  'js/Forms/CreateCorpusFileForm.js',
+  'js/Forms/CreateJobForm.js',
+  'js/Forms/CreateContributionForm.js'
+%}
+<script src="{{ ASSET_URL }}"></script>
+{%- endassets %}
+{%- assets
+  filters='rjsmin',
+  output='gen/ResourceDisplays.%(version)s.js',
+  'js/ResourceDisplays/ResourceDisplay.js',
+  'js/ResourceDisplays/CorpusDisplay.js',
+  'js/ResourceDisplays/JobDisplay.js'
+%}
+<script src="{{ ASSET_URL }}"></script>
+{%- endassets %}
+{%- assets
+  filters='rjsmin',
+  output='gen/ResourceLists.%(version)s.js',
   'js/ResourceLists/ResourceList.js',
   'js/ResourceLists/CorpusFileList.js',
   'js/ResourceLists/PublicCorpusFileList.js',
@@ -31,8 +50,15 @@
   'js/ResourceLists/TesseractOCRPipelineModelList.js',
   'js/ResourceLists/UserList.js',
   'js/ResourceLists/AdminUserList.js',
-  'js/ResourceLists/CorpusFollowerList.js',
-  'js/XMLtoObject.js'
+  'js/ResourceLists/CorpusFollowerList.js'
+%}
+<script src="{{ ASSET_URL }}"></script>
+{%- endassets %}
+{%- assets
+  filters='rjsmin',
+  output='gen/Requests.%(version)s.js',
+  'js/Requests/Requests.js',
+  'js/Requests/Contributions.js'
 %}
 <script src="{{ ASSET_URL }}"></script>
 {%- endassets %}