diff --git a/app/client/apiconsole.ts b/app/client/apiconsole.ts
new file mode 100644
index 00000000..50cfbb4d
--- /dev/null
+++ b/app/client/apiconsole.ts
@@ -0,0 +1,323 @@
+import {loadCssFile, loadScript} from 'app/client/lib/loadScript';
+import type {AppModel} from 'app/client/models/AppModel';
+import {urlState} from 'app/client/models/gristUrlState';
+import {reportError} from 'app/client/models/errors';
+import {setUpPage} from 'app/client/ui/setUpPage';
+import {DocAPIImpl} from 'app/common/UserAPI';
+import type {RecordWithStringId} from 'app/plugin/DocApiTypes';
+import {dom, styled} from 'grainjs';
+import type SwaggerUI from 'swagger-ui';
+
+/**
+ * This loads the swagger resources as if included as separate <script> and <link> tags in <head>.
+ *
+ * Swagger suggests building via webpack (in which case, it would be included into our JS bundle),
+ * but I couldn't get past webpack errors (also it's unclear if that would be any better).
+ * We load dynamically only to avoid maintaining a separate html file ust for these tags.
+ */
+function loadExternal() {
+  return Promise.all([loadScript('swagger-ui-bundle.js'), loadCssFile('swagger-ui.css')]);
+}
+
+// Start loading scripts early (before waiting for AppModel to get initialized).
+const externalScriptsPromise = loadExternal();
+
+let swaggerUI: SwaggerUI|null = null;
+
+// Define a few types to allow for type-checking.
+
+type ParamValue = string|number|null;
+
+interface Example {
+  value: ParamValue;
+  summary: string;
+}
+
+interface JsonSpec {
+  [propName: string]: any;
+}
+interface SpecActions {
+  changeParamByIdentity(...args: unknown[]): unknown;
+  updateJsonSpec(spec: JsonSpec): unknown;
+}
+
+
+function applySpecActions(cb: (specActions: SpecActions, jsonSpec: JsonSpec) => void) {
+  // Don't call actions directly within `wrapActions`, react/redux doesn't like it.
+  setTimeout(() => {
+    const system = (swaggerUI as any).getSystem();
+    const jsonSpec = system.getState().getIn(["spec", "json"]);
+    cb(system.specActions, jsonSpec);
+  }, 0);
+}
+
+function updateSpec(cb: (spec: JsonSpec) => JsonSpec) {
+  applySpecActions((specActions: SpecActions, jsonSpec: JsonSpec) => {
+    // `jsonSpec` is a special immutable object with methods like `getIn/setIn`.
+    // `updateJsonSpec` expects a plain JS object, so we need to convert it.
+    specActions.updateJsonSpec(cb(jsonSpec).toJSON());
+  });
+}
+
+const searchParams = new URL(location.href).searchParams;
+
+function setExamples(examplesArr: Example[], paramName: string) {
+  examplesArr.sort((a, b) => String(a.summary || a.value).localeCompare(String(b.summary || b.value)));
+
+  const paramValue = searchParams.get(paramName);
+  if (paramValue) {
+    // If this value appears among examples, move it to the front and label it as "Current".
+    const index = examplesArr.findIndex(v => (String(v.value) == String(paramValue)));
+    if (index >= 0) {
+      const ex = examplesArr.splice(index, 1)[0];
+      ex.summary += " (Current)";
+      examplesArr.unshift(ex);
+    }
+  } else {
+    // When opening an endpoint, parameters with examples are immediately set to the first example.
+    // For documents and tables, this would immediately call our custom code,
+    // fetching lists of tables/columns. This is especially bad for documents,
+    // as the document may have to be loaded from scratch in the doc worker.
+    // So the dropdown has to start with an empty value in those cases.
+    // You'd think this would run into the check for `!value` in `changeParamByIdentity`,
+    // but apparently swagger has its own special handing for empty values before then.
+    examplesArr.unshift({value: "", summary: "Select..."});
+  }
+
+  // Swagger expects `examples` to be an object, not an array.
+  // Prefix keys with something to ensure they aren't viewed as numbers: JS objects will iterate
+  // them in insertion (what we want) order *unless* keys look numeric. SwaggerUI will use the
+  // value from ex.value, so luckily this prefix doesn't actually matter.
+  const examples = Object.fromEntries(examplesArr.map((ex) => ["#" + ex.value, ex]));
+  updateSpec(spec => {
+    return spec.setIn(["components", "parameters", `${paramName}PathParam`, "examples"], examples);
+  });
+}
+
+// Set the value of a parameter in all endpoints.
+function setParamValue(resolvedParam: any, value: ParamValue) {
+  applySpecActions((specActions: SpecActions, spec: JsonSpec) => {
+    // This will be something like:
+    // "https://url-to-grist.yml#/components/parameters/orgIdPathParam"
+    // Note that we're assuming that the endpoint always uses `$ref` to define the parameter,
+    // rather than defining it inline.
+    // https://github.com/gristlabs/grist-help/pull/293 ensures this,
+    // but future changes to the spec must remember to do the same.
+    const ref = resolvedParam.get("$$ref");
+
+    // For every endpoint in the spec...
+    for (const [pathKey, path] of spec.get("paths").entries()) {
+      for (const [method, operation] of path.entries()) {
+
+        const parameters = operation.get("parameters");
+        if (!parameters) { continue; }
+        for (const param of parameters.values()) {
+          // If this is the same parameter...
+          if (ref.endsWith(param.get("$ref"))) {
+            // Set the value. The final `true` is `noWrap` to prevent infinite recursion.
+            specActions.changeParamByIdentity([pathKey, method], resolvedParam, value, false, true);
+          }
+        }
+      }
+    }
+  });
+}
+
+class ExtendedDocAPIImpl extends DocAPIImpl {
+  public listTables(): Promise<{tables: RecordWithStringId[]}> {
+    return this.requestJson(`${this.getBaseUrl()}/tables`);
+  }
+  public listColumns(tableId: string, includeHidden = false): Promise<{columns: RecordWithStringId[]}> {
+    return this.requestJson(`${this.getBaseUrl()}/tables/${tableId}/columns?hidden=${includeHidden ? 1 : 0}`);
+  }
+}
+
+function wrapChangeParamByIdentity(appModel: AppModel, system: any, oriAction: any, ...args: any[]) {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  const [keyPath, param, value, _isXml, noWrap] = args;
+  if (noWrap || !value) {
+    // `noWrap` is our own flag to avoid infinite recursion.
+    // It's set when calling this action inside `setParamValue` below.
+    // `value` is falsy when choosing our default "Select..." option from a dropdown.
+    return oriAction(...args);
+  }
+
+  const paramName = param.get("name");
+
+  // These are the path parameters that we handle specially and provide examples for.
+  // When a value is selected in one endpoint, set the same value in all other endpoints.
+  // This makes a bit more convenient to do multiple different operations on the same object.
+  // But maybe it'll cause confusion/mistakes when operating on different objects?
+  if (["orgId", "workspaceId", "docId", "tableId", "colId"].includes(paramName)) {
+    setParamValue(param, value);
+  }
+
+  // When a docId is selected, fetch the list of that doc's tables and set examples for tableId.
+  // This is a significant convenience, but it causes some UI jankiness.
+  // Updating the spec with these examples takes some CPU and the UI freezes for a moment.
+  // Then things jump around a bit as stuff is re-rendered, although it ends up in the right place
+  // so it shouldn't be too disruptive.
+  // All this happens after a short delay while the tables are being fetched.
+  // It *might* be possible to set these example values more efficiently/lazily but I'm not sure,
+  // and it'll probably significantly more difficult.
+  const baseUrl = appModel.api.getBaseUrl();
+  if (paramName === "docId") {
+    const docAPI = new ExtendedDocAPIImpl(baseUrl, value);
+    docAPI.listTables().then(({tables}: {tables: RecordWithStringId[]}) => {
+      const examples: Example[] = tables.map(table => ({value: table.id, summary: table.id}));
+      setExamples(examples, "tableId");
+    })
+    .catch(reportError);
+  }
+
+  // When a tableId is selected, fetch the list of columns and set examples for colId.
+  // This causes similar UI jankiness as above, but I think less severely since fewer endpoints
+  // have a colId parameter. In fact, there's currently only one: `DELETE /columns`.
+  // We *could* only do this when setting tableId within that endpoint,
+  // but then the dropdown will be missing if you set the tableId elsewhere and then open this endpoint.
+  // Alternatively, `GET /tables` could be modified to return column metadata for each table.
+  if (paramName === "tableId") {
+    // When getting tables after setting docId, `value` is the docId so we have all the info.
+    // Here `value` is the tableId and we need to get the docId separately.
+    const parameters = system.getState().getIn(["spec", "meta", "paths", ...keyPath, "parameters"]);
+    const docId = parameters.find((_value: any, key: any) => key.startsWith("path.docId"))?.get("value");
+    if (docId) {
+      const docAPI = new ExtendedDocAPIImpl(baseUrl, docId);
+      // Second argument of `true` includes hidden columns like gristHelper_Display and manualSort.
+      docAPI.listColumns(value, true)
+      .then(({columns}: {columns: RecordWithStringId[]}) => {
+        const examples = columns.map(col => ({value: col.id, summary: col.fields.label as string}));
+        setExamples(examples, "colId");
+      })
+      .catch(reportError);
+    }
+  }
+  return oriAction(...args);
+}
+
+function gristPlugin(appModel: AppModel, system: any) {
+  return {
+    statePlugins: {
+      spec: {
+        wrapActions: {
+          // Customize what happens when a parameter is changed, e.g. selected from a dropdown.
+          changeParamByIdentity: (oriAction: any) => (...args: any[]) =>
+            wrapChangeParamByIdentity(appModel, system, oriAction, ...args),
+        }
+      }
+    }
+  };
+}
+
+function initialize(appModel: AppModel) {
+  // These are used to set the examples for orgs, workspaces, and docs.
+  const orgsPromise = appModel.api.getOrgs();
+
+  // We make a request for each org - hopefully there aren't too many.
+  // Currently I only see rate limiting in DocApi, which shouldn't be a problem here.
+  // Fortunately we don't need a request for each workspace,
+  // since listing workspaces in an org also lists the docs in each workspace.
+  const workspacesPromise = orgsPromise.then(orgs => Promise.all(orgs.map(org =>
+    appModel.api.getOrgWorkspaces(org.id, false).then(workspaces => ({org, workspaces}))
+  )));
+
+  // To be called after the spec is downloaded and parsed.
+  function onComplete() {
+    // Add an instruction for where to get API key.
+    const description = document.querySelector('.information-container .info');
+    if (description) {
+      const href = urlState().makeUrl({account: 'account'});
+      dom.update(description, dom('div', 'Find or create your API key at ', dom('a', {href}, href), '.'));
+    }
+
+    updateSpec(spec => {
+      // The actual spec sets the server to `https://{subdomain}.getgrist.com/api`,
+      // where {subdomain} is a variable that defaults to `docs`.
+      // We want to use the same server as the page is loaded from.
+      // This simplifies the UI and makes it work e.g. on localhost.
+      spec = spec.set("servers", [{url: window.origin + "/api"}]);
+
+      // Some table-specific parameters have examples with fake data in grist.yml. We don't want
+      // to actually use this for running requests, so clear those out.
+      for (const paramName of [
+        'filterQueryParam', 'sortQueryParam', 'sortHeaderParam',
+        'limitQueryParam', 'limitHeaderParam'
+      ]) {
+        spec = spec.removeIn(["components", "parameters", paramName, "example"]);
+      }
+      return spec;
+    });
+
+    // Show that we need a key, but let's not display it. The user may or may not have the API key
+    // set. Actual requests from the console use cookies, so can work anyway. When the key is set,
+    // showing it in cleartext makes it riskier to ask for help with screenshots and the like.
+    // We set a fake key anyway to be clear that it's needed in the curl command.
+    const key = 'XXXXXXXXXXX';
+    swaggerUI!.preauthorizeApiKey('ApiKey', key);
+
+    // Set examples for orgs, workspaces, and docs.
+    orgsPromise.then(orgs => {
+      const examples: Example[] = orgs.map(org => ({
+        value: org.domain,
+        summary: org.name,
+      }));
+      setExamples(examples, "orgId");
+    }).catch(reportError);
+
+    workspacesPromise.then(orgs => {
+      const workSpaceExamples: Example[] = orgs.flatMap(({org, workspaces}) => workspaces.map(ws => ({
+        value: ws.id,
+        summary: `${org.name} » ${ws.name}`
+      })));
+      setExamples(workSpaceExamples, "workspaceId");
+
+      const docExamples = orgs.flatMap(({org, workspaces}) => workspaces.flatMap(ws => ws.docs.map(doc => ({
+        value: doc.id,
+        summary: `${org.name} » ${ws.name} » ${doc.name}`
+      }))));
+      setExamples(docExamples, "docId");
+    }).catch(reportError);
+  }
+  return onComplete;
+}
+
+function requestInterceptor(request: SwaggerUI.Request) {
+  delete request.headers.Authorization;
+  return request;
+}
+
+setUpPage((appModel) => {
+  // Default Grist page prevents scrolling unnecessarily.
+  document.documentElement.style.overflow = 'initial';
+
+  const rootNode = cssWrapper();
+  const onComplete = initialize(appModel);
+
+  externalScriptsPromise.then(() => {
+    const buildSwaggerUI: typeof SwaggerUI = (window as any).SwaggerUIBundle;
+    swaggerUI = buildSwaggerUI({
+      filter: true,
+      plugins: [gristPlugin.bind(null, appModel)],
+      url: 'https://raw.githubusercontent.com/gristlabs/grist-help/master/api/grist.yml',
+      domNode: rootNode,
+      showMutatedRequest: false,
+      requestInterceptor,
+      onComplete,
+    });
+  })
+  .catch(reportError);
+
+  return rootNode;
+});
+
+const cssWrapper = styled('div', `
+  & .scheme-container {
+    display: none;
+  }
+  & .information-container h1 {   /* Authorization header, strangely enough */
+    display: none;
+  }
+  & .information-container .info {
+    margin-bottom: 0;
+  }
+`);
diff --git a/app/client/app.js b/app/client/app.js
index 996e6138..970750e7 100644
--- a/app/client/app.js
+++ b/app/client/app.js
@@ -45,15 +45,8 @@ $(function() {
   window.exposeModulesForTests = function() {
     return (import('./exposeModulesForTests' /* webpackChunkName: "modulesForTests" */));
   };
-  window.exposedModules = {
-    // Several existing tests use window.exposedModules.loadScript has loaded
-    // a file for them.  We now load exposedModules asynchronously, so that it
-    // doesn't slow down application startup.  To avoid changing tests
-    // unnecessarily, we implement a loadScript wrapper.
-    loadScript(name) {
-      return window.exposeModulesForTests()
-        .then(() => window.exposedModules._loadScript(name));
-    }
-  };
-
+  window.exposedModules = {};
+  // Make it easy for tests to use loadScript() whether or not exposedModules has already loaded.
+  window.loadScript = (name) =>
+    window.exposeModulesForTests().then(() => window.exposedModules.loadScript.loadScript(name));
 });
diff --git a/app/client/exposeModulesForTests.js b/app/client/exposeModulesForTests.js
index b364f22d..eedea105 100644
--- a/app/client/exposeModulesForTests.js
+++ b/app/client/exposeModulesForTests.js
@@ -7,6 +7,6 @@ Object.assign(window.exposedModules, {
   ko: require('knockout'),
   moment: require('moment-timezone'),
   Comm: require('app/client/components/Comm'),
-  _loadScript: require('./lib/loadScript'),
+  loadScript: require('./lib/loadScript'),
   ConnectState: require('./models/ConnectState'),
 });
diff --git a/app/client/lib/loadScript.js b/app/client/lib/loadScript.js
deleted file mode 100644
index 25b0f6c6..00000000
--- a/app/client/lib/loadScript.js
+++ /dev/null
@@ -1,19 +0,0 @@
-const Promise = require('bluebird');
-const G = require('./browserGlobals').get('document');
-
-/**
- * Load dynamically an external JS script from the given URL. Returns a promise that is
- * resolved when the script is loaded.
- */
-function loadScript(url) {
-  return new Promise((resolve, reject) => {
-    let script = G.document.createElement("script");
-    script.type = "text/javascript";
-    script.onload = resolve;
-    script.onerror = reject;
-    script.src = url;
-    G.document.getElementsByTagName("head")[0].appendChild(script);
-  });
-}
-
-module.exports = loadScript;
diff --git a/app/client/lib/loadScript.ts b/app/client/lib/loadScript.ts
new file mode 100644
index 00000000..ded1eb71
--- /dev/null
+++ b/app/client/lib/loadScript.ts
@@ -0,0 +1,23 @@
+import {dom} from 'grainjs';
+
+/**
+ * Load dynamically an external JS script from the given URL. Returns a promise that is
+ * resolved when the script is loaded.
+ */
+export function loadScript(url: string) {
+  return new Promise((resolve, reject) => {
+    const script = dom("script", {type: "text/javascript", src: url, crossorigin: "anonymous"});
+    document.head.appendChild(Object.assign(script, {onload: resolve, onerror: reject}));
+  });
+}
+
+/**
+ * Load dynamically an external CSS file from the given URL. Returns a promise that is
+ * resolved when the file is loaded.
+ */
+export function loadCssFile(url: string): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const link = dom("link", {rel: "stylesheet", href: url});
+    document.head.appendChild(Object.assign(link, {onload: resolve, onerror: reject}));
+  });
+}
diff --git a/app/client/ui/DocumentSettings.ts b/app/client/ui/DocumentSettings.ts
index b368bf5f..b6cb96e3 100644
--- a/app/client/ui/DocumentSettings.ts
+++ b/app/client/ui/DocumentSettings.ts
@@ -8,6 +8,7 @@ import {ACSelectItem, buildACSelect} from 'app/client/lib/ACSelect';
 import {copyToClipboard} from 'app/client/lib/clipboardUtils';
 import {makeT} from 'app/client/lib/localization';
 import {reportError} from 'app/client/models/AppModel';
+import type {DocPageModel} from 'app/client/models/DocPageModel';
 import {urlState} from 'app/client/models/gristUrlState';
 import {KoSaveableObservable} from 'app/client/models/modelUtil';
 import {docListHeader} from 'app/client/ui/DocMenuCss';
@@ -85,6 +86,10 @@ export class DocSettingsPage extends Disposable {
           await copyToClipboard(docPageModel.currentDocId.get()!);
         }),
       )),
+      cssDataRow(primaryButtonLink(t('API Console'), {
+        target: '_blank',
+        href: getApiConsoleLink(docPageModel),
+      })),
       cssHeader(t('Webhooks'), cssBeta('Beta')),
       cssDataRow(primaryButtonLink(t('Manage Webhooks'), urlState().setLinkUrl({docPage: 'webhook'}))),
     );
@@ -103,6 +108,16 @@ export class DocSettingsPage extends Disposable {
   }
 }
 
+function getApiConsoleLink(docPageModel: DocPageModel) {
+  const url = new URL(location.href);
+  url.pathname = '/apiconsole';
+  url.searchParams.set('docId', docPageModel.currentDocId.get()!);
+  // Some extra question marks to placate a test fixture at test/fixtures/projects/DocumentSettings.ts
+  url.searchParams.set('workspaceId', String(docPageModel.currentWorkspace?.get()?.id || ''));
+  url.searchParams.set('orgId', String(docPageModel.appModel?.topAppModel.currentSubdomain.get()));
+  return url.href;
+}
+
 type LocaleItem = ACSelectItem & {locale?: string};
 
 function buildLocaleSelect(
diff --git a/app/client/ui/Tools.ts b/app/client/ui/Tools.ts
index 26a85638..1ca56d8f 100644
--- a/app/client/ui/Tools.ts
+++ b/app/client/ui/Tools.ts
@@ -100,17 +100,6 @@ export function tools(owner: Disposable, gristDoc: GristDoc, leftPanelOpen: Obse
       testId('settings'),
     ),
     cssSpacer(),
-    // TODO make this look nice, then make it visible when the console is ready.
-    // For now let's keep it private, so this shouldn't be uncommented.
-    // cssPageEntry(
-    //   cssPageLink(
-    //     cssPageIcon('Code'),
-    //     cssPageIcon('FieldLink'),
-    //     cssLinkText(t("API Console")),
-    //     {href: window.origin + '/apiconsole', target: '_blank'}
-    //   ),
-    //   testId('api'),
-    // ),
     dom.maybe(docPageModel.currentDoc, (doc) => {
       const ex = buildExamples().find(e => e.urlId === doc.urlId);
       if (!ex || !ex.tutorialUrl) { return null; }
diff --git a/app/common/UserAPI.ts b/app/common/UserAPI.ts
index 057361b7..86df7af0 100644
--- a/app/common/UserAPI.ts
+++ b/app/common/UserAPI.ts
@@ -352,7 +352,7 @@ export interface UserAPI {
   getOrgs(merged?: boolean): Promise<Organization[]>;
   getWorkspace(workspaceId: number): Promise<Workspace>;
   getOrg(orgId: number|string): Promise<Organization>;
-  getOrgWorkspaces(orgId: number|string): Promise<Workspace[]>;
+  getOrgWorkspaces(orgId: number|string, includeSupport?: boolean): Promise<Workspace[]>;
   getOrgUsageSummary(orgId: number|string): Promise<OrgUsageSummary>;
   getTemplates(onlyFeatured?: boolean): Promise<Workspace[]>;
   getDoc(docId: string): Promise<Document>;
@@ -540,8 +540,8 @@ export class UserAPIImpl extends BaseAPI implements UserAPI {
     return this.requestJson(`${this._url}/api/orgs/${orgId}`, { method: 'GET' });
   }
 
-  public async getOrgWorkspaces(orgId: number|string): Promise<Workspace[]> {
-    return this.requestJson(`${this._url}/api/orgs/${orgId}/workspaces?includeSupport=1`,
+  public async getOrgWorkspaces(orgId: number|string, includeSupport = true): Promise<Workspace[]> {
+    return this.requestJson(`${this._url}/api/orgs/${orgId}/workspaces?includeSupport=${includeSupport ? 1 : 0}`,
       { method: 'GET' });
   }
 
@@ -907,6 +907,8 @@ export class DocAPIImpl extends BaseAPI implements DocAPI {
     this._url = `${url}/api/docs/${docId}`;
   }
 
+  public getBaseUrl(): string { return this._url; }
+
   public async getRows(tableId: string, options?: GetRowsParams): Promise<TableColValues> {
     return this._getRecords(tableId, 'data', options);
   }
diff --git a/app/server/lib/ActiveDoc.ts b/app/server/lib/ActiveDoc.ts
index 295122d4..44341992 100644
--- a/app/server/lib/ActiveDoc.ts
+++ b/app/server/lib/ActiveDoc.ts
@@ -45,7 +45,6 @@ import {
   getTableId,
   isSchemaAction,
   TableDataAction,
-  TableRecordValue,
   toTableDataAction,
   UserAction
 } from 'app/common/DocActions';
@@ -81,6 +80,7 @@ import {guessColInfo} from 'app/common/ValueGuesser';
 import {parseUserAction} from 'app/common/ValueParser';
 import {Document} from 'app/gen-server/entity/Document';
 import {Share} from 'app/gen-server/entity/Share';
+import {RecordWithStringId} from 'app/plugin/DocApiTypes';
 import {ParseFileResult, ParseOptions} from 'app/plugin/FileParserAPI';
 import {AccessTokenOptions, AccessTokenResult, GristDocAPI, UIRowId} from 'app/plugin/GristAPI';
 import {compileAclFormula} from 'app/server/lib/ACLFormula';
@@ -1115,7 +1115,7 @@ export class ActiveDoc extends EventEmitter {
   public async getTableCols(
     docSession: OptDocSession,
     tableId: string,
-    includeHidden = false): Promise<TableRecordValue[]> {
+    includeHidden = false): Promise<RecordWithStringId[]> {
     const metaTables = await this.fetchMetaTables(docSession);
     const tableRef = tableIdToRef(metaTables, tableId);
     const [, , colRefs, columnData] = metaTables._grist_Tables_column;
@@ -1123,7 +1123,7 @@ export class ActiveDoc extends EventEmitter {
     // colId is pulled out of fields and used as the root id
     const fieldNames = without(Object.keys(columnData), "colId");
 
-    const columns: TableRecordValue[] = [];
+    const columns: RecordWithStringId[] = [];
     (columnData.colId as string[]).forEach((id, index) => {
       const hasNoId = !id;
       const isHidden = hasNoId || id === "manualSort" || id.startsWith("gristHelper_");
@@ -1132,7 +1132,7 @@ export class ActiveDoc extends EventEmitter {
       if (skip) {
         return;
       }
-      const column: TableRecordValue = { id, fields: { colRef: colRefs[index] } };
+      const column: RecordWithStringId = { id, fields: { colRef: colRefs[index] } };
       for (const key of fieldNames) {
         column.fields[key] = columnData[key][index];
       }
diff --git a/app/server/lib/DocApi.ts b/app/server/lib/DocApi.ts
index ff486912..aa6fb833 100644
--- a/app/server/lib/DocApi.ts
+++ b/app/server/lib/DocApi.ts
@@ -458,8 +458,8 @@ export class DocWorkerApi {
     this._app.get('/api/docs/:docId/tables', canView,
       withDoc(async (activeDoc, req, res) => {
         const records = await getTableRecords(activeDoc, req, { optTableId: "_grist_Tables" });
-        const tables = records.map((record) => ({
-          id: record.fields.tableId,
+        const tables: Types.RecordWithStringId[] = records.map((record) => ({
+          id: String(record.fields.tableId),
           fields: {
             ..._.omit(record.fields, "tableId"),
             tableRef: record.id,
diff --git a/app/server/lib/TableMetadataLoader.ts b/app/server/lib/TableMetadataLoader.ts
index 08eda774..4115ed09 100644
--- a/app/server/lib/TableMetadataLoader.ts
+++ b/app/server/lib/TableMetadataLoader.ts
@@ -198,8 +198,12 @@ export class TableMetadataLoader {
     for (const tableId of [...newPushes].sort()) {
       // Put a limit on the number of outstanding pushes permitted.
       if (this._pushes.size >= this._pushed.size + 3) { break; }
-      this._pushes.set(tableId, this._counted(this.opPush(tableId)));
-    }
+      const promise = this._counted(this.opPush(tableId));
+      this._pushes.set(tableId, promise);
+      // Mark the promise as handled to avoid "unhandledRejection", but without affecting other
+      // code (which will still see `promise`, not the new promise returned by `.catch()`).
+      promise.catch(() => {});
+   }
   }
 
   // Wrapper to keep track of pending promises.
diff --git a/buildtools/webpack.config.js b/buildtools/webpack.config.js
index 5f87c794..0ffb29e1 100644
--- a/buildtools/webpack.config.js
+++ b/buildtools/webpack.config.js
@@ -13,6 +13,7 @@ module.exports = {
   entry: {
     main: "app/client/app",
     errorPages: "app/client/errorMain",
+    apiconsole: "app/client/apiconsole",
     billing: "app/client/billingMain",
     // Include client test harness if it is present (it won't be in
     // docker image).
diff --git a/package.json b/package.json
index b873470d..6f790da7 100644
--- a/package.json
+++ b/package.json
@@ -78,6 +78,7 @@
     "@types/selenium-webdriver": "4.1.15",
     "@types/sinon": "5.0.5",
     "@types/sqlite3": "3.1.6",
+    "@types/swagger-ui": "3.52.4",
     "@types/tmp": "0.0.33",
     "@types/uuid": "3.4.4",
     "@types/which": "2.0.1",
@@ -183,6 +184,7 @@
     "saml2-js": "2.0.5",
     "short-uuid": "3.1.1",
     "slugify": "1.6.6",
+    "swagger-ui-dist": "5.11.0",
     "tmp": "0.0.33",
     "ts-interface-checker": "1.0.2",
     "typeorm": "0.3.9",
diff --git a/static/apiconsole.html b/static/apiconsole.html
index 9191d3c5..9824f7a2 100644
--- a/static/apiconsole.html
+++ b/static/apiconsole.html
@@ -1,220 +1,18 @@
 <!doctype html>
 <html>
 <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1"/>
-    <meta name="description" content="SwaggerUI"/>
-    <title>Grist API Console</title>
-    <link rel="stylesheet" href="https://unpkg.com/swagger-ui-dist@5.1.0/swagger-ui.css"/>
-    <style>
-        body {
-            margin: 0;
-        }
-    </style>
+  <meta charset="utf8">
+  <!-- INSERT META -->
+  <!-- INSERT BASE -->
+  <link rel="icon" type="image/x-icon" href="icons/favicon.png" />
+  <link rel="stylesheet" href="icons/icons.css">
+  <!-- INSERT LOCALE -->
+  <!-- INSERT CONFIG -->
+  <!-- INSERT CUSTOM -->
+  <title>API Console<!-- INSERT TITLE SUFFIX --></title>
 </head>
 <body>
-<div id="root"/>
-<script src="https://unpkg.com/swagger-ui-dist@5.1.0/swagger-ui-bundle.js" crossorigin></script>
-<script>
-  // Start by initiating various fetches early, we'll use the promise results later.
-  // The API calls are authorized by cookies.
-  // We only fetch the API key to pass to `preauthorizeApiKey` which makes it show
-  // in the example `curl` commands (which isn't unambiguously good, since
-  // it makes screen-sharing more risky).
-  const apiKey = fetch('/api/profile/apiKey').then(r => r.text());
-
-  // These are used to set the examples for orgs, workspaces, and docs.
-  const orgsPromise = fetch('/api/orgs').then(r => r.json());
-  // We make a request for each org - hopefully there aren't too many.
-  // Currently I only see rate limiting in DocApi, which shouldn't be a problem here.
-  // Fortunately we don't need a request for each workspace,
-  // since listing workspaces in an org also lists the docs in each workspace.
-  const workspacesPromise = orgsPromise.then(orgs => Promise.all(orgs.map(org =>
-    fetch(`/api/orgs/${org.id}/workspaces`).then(r => r.json()).then(workspaces => ({org, workspaces}))
-  )));
-
-  function GristPlugin(system) {
-    return {
-      statePlugins: {
-        spec: {
-          wrapActions: {
-            // Customize what happens when a parameter is changed, e.g. selected from a dropdown.
-            changeParamByIdentity: (oriAction) => (...args) => {
-              const [keyPath, param, value, _isXml, noWrap] = args;
-              if (noWrap || !value) {
-                // `noWrap` is our own flag to avoid infinite recursion.
-                // It's set when calling this action inside `setParamValue` below.
-                // `value` is falsy when choosing our default "Select..." option from a dropdown.
-                return oriAction(...args);
-              }
-
-              // These are the path parameters that we handle specially and provide examples for.
-              // When a value is selected in one endpoint, set the same value in all other endpoints.
-              // This makes a bit more convenient to do multiple different operations on the same object.
-              // But maybe it'll cause confusion/mistakes when operating on different objects?
-              if (["orgId", "workspaceId", "docId", "tableId", "colId"].includes(param.get("name"))) {
-                setParamValue(param, value);
-              }
-
-              // When a docId is selected, fetch the list of that doc's tables and set examples for tableId.
-              // This is a significant convenience, but it causes some UI jankiness.
-              // Updating the spec with these examples takes some CPU and the UI freezes for a moment.
-              // Then things jump around a bit as stuff is re-rendered, although it ends up in the right place
-              // so it shouldn't be too disruptive.
-              // All this happens after a short delay while the tables are being fetched.
-              // It *might* be possible to set these example values more efficiently/lazily but I'm not sure,
-              // and it'll probably significantly more difficult.
-              if (param.get("name") === "docId") {
-                fetch(`/api/docs/${value}/tables`).then(r => r.json()).then(({tables}) => {
-                  const examples = tables.map(table => ({value: table.id}));
-                  setExamples(examples, "tableId", true);
-                });
-              }
-
-              // When a tableId is selected, fetch the list of columns and set examples for colId.
-              // This causes similar UI jankiness as above, but I think less severely since fewer endpoints
-              // have a colId parameter. In fact, there's currently only one: `DELETE /columns`.
-              // We *could* only do this when setting tableId within that endpoint,
-              // but then the dropdown will be missing if you set the tableId elsewhere and then open this endpoint.
-              // Alternatively, `GET /tables` could be modified to return column metadata for each table.
-              if (param.get("name") === "tableId") {
-                // When getting tables after setting docId, `value` is the docId so we have all the info.
-                // Here `value` is the tableId and we need to get the docId separately.
-                const parameters = system.getState().getIn(["spec", "meta", "paths", ...keyPath, "parameters"]);
-                const docId = parameters.find((_value, key) => key.startsWith("path.docId"))?.get("value");
-                if (docId) {
-                  // `?hidden=1` includes hidden columns like gristHelper_Display and manualSort.
-                  fetch(`/api/docs/${docId}/tables/${value}/columns?hidden=1`).then(r => r.json()).then(({columns}) => {
-                    const examples = columns.map(col => ({value: col.id, summary: col.fields.label}));
-                    setExamples(examples, "colId");
-                  });
-                }
-              }
-              return oriAction(...args);
-            },
-          }
-        }
-      }
-    }
-  }
-
-  function applySpecActions(cb) {
-    // Don't call actions directly within `wrapActions`, react/redux doesn't like it.
-    setTimeout(() => {
-      const system = window.ui.getSystem();
-      const jsonSpec = system.getState().getIn(["spec", "json"]);
-      cb(system.specActions, jsonSpec);
-    }, 0);
-  }
-
-  function updateSpec(cb) {
-    applySpecActions((specActions, jsonSpec) => {
-      // `jsonSpec` is a special immutable object with methods like `getIn/setIn`.
-      // `updateJsonSpec` expects a plain JS object, so we need to convert it.
-      specActions.updateJsonSpec(cb(jsonSpec).toJSON());
-    });
-  }
-
-  function setExamples(examplesArr, paramName, startBlank) {
-    if (startBlank) {
-      // When opening an endpoint, parameters with examples are immediately set to the first example.
-      // For documents and tables, this would immediately call our custom code,
-      // fetching lists of tables/columns. This is especially bad for documents,
-      // as the document may have to be loaded from scratch in the doc worker.
-      // So the dropdown has to start with an empty value in those cases.
-      // You'd think this would run into the check for `!value` in `changeParamByIdentity`,
-      // but apparently swagger has its own special handing for empty values before then.
-      //
-      // Somehow, when using this for workspace examples, this blank option becomes the last option in the dropdown.
-      // That looks silly, so `startBlank` is only set for parameters that need it as mentioned above.
-      examplesArr = [
-        {value: "", summary: "Select..."},
-        ...examplesArr.sort((a, b) => (a.summary || a.value).localeCompare(b.summary || b.value))
-      ];
-    }
-
-    // Swagger expects `examples` to be an object, not an array.
-    const examples = Object.fromEntries(examplesArr.map((ex) => [ex.value, ex]));
-    updateSpec(spec => {
-      return spec.setIn(["components", "parameters", `${paramName}PathParam`, "examples"], examples);
-    });
-  }
-
-  // Set the value of a parameter in all endpoints.
-  function setParamValue(resolvedParam, value) {
-    applySpecActions((specActions, spec) => {
-      // This will be something like:
-      // "https://url-to-grist.yml#/components/parameters/orgIdPathParam"
-      // Note that we're assuming that the endpoint always uses `$ref` to define the parameter,
-      // rather than defining it inline.
-      // https://github.com/gristlabs/grist-help/pull/293 ensures this,
-      // but future changes to the spec must remember to do the same.
-      const ref = resolvedParam.get("$$ref");
-
-      // For every endpoint in the spec...
-      for (const [pathKey, path] of spec.get("paths").entries()) {
-        for (const [method, operation] of path.entries()) {
-
-          const parameters = operation.get("parameters");
-          if (!parameters) continue;
-          for (const param of parameters.values()) {
-            // If this is the same parameter...
-            if (ref.endsWith(param.get("$ref"))) {
-              // Set the value. The final `true` is `noWrap` to prevent infinite recursion.
-              specActions.changeParamByIdentity([pathKey, method], resolvedParam, value, false, true);
-            }
-          }
-        }
-      }
-    });
-  }
-
-  // Called after the spec is downloaded and parsed.
-  function onComplete() {
-
-    // The actual spec sets the server to `https://{subdomain}.getgrist.com/api`,
-    // where {subdomain} is a variable that defaults to `docs`.
-    // We want to use the same server as the page is loaded from.
-    // This simplifies the UI and makes it work e.g. on localhost.
-    updateSpec(spec => spec.set("servers", [{url: window.origin + "/api"}]));
-
-    // See the comment where `apiKey` is defined.
-    apiKey.then(key => window.ui.preauthorizeApiKey('ApiKey', key));
-
-    // Set examples for orgs, workspaces, and docs.
-    orgsPromise.then(orgs => {
-      const examples = orgs.map(org => ({
-        value: org.domain,
-        summary: org.name,
-      }));
-      setExamples(examples, "orgId");
-    });
-
-    workspacesPromise.then(orgs => {
-      const workSpaceExamples = orgs.flatMap(({org, workspaces}) => workspaces.map(ws => ({
-        value: ws.id,
-        summary: `${org.name} » ${ws.name}`
-      })));
-      setExamples(workSpaceExamples, "workspaceId");
-
-      const docExamples = orgs.flatMap(({org, workspaces}) => workspaces.flatMap(ws => ws.docs.map(doc => ({
-        value: doc.id,
-        summary: `${org.name} » ${ws.name} » ${doc.name}`
-      }))));
-      setExamples(docExamples, "docId", true);
-    })
-  }
-
-  window.onload = () => {
-    window.ui = SwaggerUIBundle({
-      plugins: [
-        GristPlugin,
-      ],
-      url: 'https://raw.githubusercontent.com/gristlabs/grist-help/master/api/grist.yml',
-      dom_id: '#root',
-      onComplete,
-    });
-  };
-</script>
+  <!-- INSERT WARNING -->
+  <script crossorigin="anonymous" src="apiconsole.bundle.js"></script>
 </body>
 </html>
diff --git a/static/swagger-ui-bundle.js b/static/swagger-ui-bundle.js
new file mode 120000
index 00000000..21d1190f
--- /dev/null
+++ b/static/swagger-ui-bundle.js
@@ -0,0 +1 @@
+../node_modules/swagger-ui-dist/swagger-ui-bundle.js
\ No newline at end of file
diff --git a/static/swagger-ui.css b/static/swagger-ui.css
new file mode 120000
index 00000000..8ccaab51
--- /dev/null
+++ b/static/swagger-ui.css
@@ -0,0 +1 @@
+../node_modules/swagger-ui-dist/swagger-ui.css
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 06375a60..3e1b04a3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -944,6 +944,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/swagger-ui@3.52.4":
+  version "3.52.4"
+  resolved "https://registry.yarnpkg.com/@types/swagger-ui/-/swagger-ui-3.52.4.tgz#96c4886e8f86ae392f8d940bf7029cf490a51c72"
+  integrity sha512-7NV7q8BfupqdQxr26OkM0g0YEPB9uXnKGzXadgcearvI9MoCHt3F72lPTX3fZZIlrr21DC0IK26wcDMZ37oFDA==
+
 "@types/tmp@0.0.33":
   version "0.0.33"
   resolved "https://registry.npmjs.org/@types/tmp/-/tmp-0.0.33.tgz"
@@ -7435,6 +7440,11 @@ supports-preserve-symlinks-flag@^1.0.0:
   resolved "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz"
   integrity sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==
 
+swagger-ui-dist@5.11.0:
+  version "5.11.0"
+  resolved "https://registry.yarnpkg.com/swagger-ui-dist/-/swagger-ui-dist-5.11.0.tgz#9bcfd75278b1fa9c36fe52f206f8fc611470547c"
+  integrity sha512-j0PIATqQSEFGOLmiJOJZj1X1Jt6bFIur3JpY7+ghliUnfZs0fpWDdHEkn9q7QUlBtKbkn6TepvSxTqnE8l3s0A==
+
 symbol-tree@^3.2.4:
   version "3.2.4"
   resolved "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz"
