diff --git a/package.json b/package.json
index 6c10459..7d6ed5a 100644
--- a/package.json
+++ b/package.json
@@ -78,6 +78,7 @@
     "@biothings-explorer/smartapi-kg": "workspace:../smartapi-kg",
     "@biothings-explorer/types": "workspace:../types",
     "@biothings-explorer/utils": "workspace:../utils",
+    "@biothings-explorer/call-apis": "workspace:../call-apis",
     "@bull-board/api": "^5.9.1",
     "@bull-board/express": "^5.9.1",
     "@opentelemetry/api": "^1.7.0",
diff --git a/src/controllers/cron/index.ts b/src/controllers/cron/index.ts
index 4d01aeb..a727cc4 100644
--- a/src/controllers/cron/index.ts
+++ b/src/controllers/cron/index.ts
@@ -1,7 +1,9 @@
 import smartapiCron from "./update_local_smartapi";
+import testCron from "./test_smartapi";
 import cacheClearCron from "./clear_edge_cache";
 
 export default function scheduleCronJobs() {
   smartapiCron();
   cacheClearCron();
+  testCron();
 }
diff --git a/src/controllers/cron/test_smartapi.ts b/src/controllers/cron/test_smartapi.ts
new file mode 100644
index 0000000..ac31a66
--- /dev/null
+++ b/src/controllers/cron/test_smartapi.ts
@@ -0,0 +1,169 @@
+import MetaKG, { SmartAPIKGOperationObject, TestExampleObject } from "@biothings-explorer/smartapi-kg";
+import { QEdge2APIEdgeHandler, QEdge } from "@biothings-explorer/query_graph_handler";
+import CallAPI from "@biothings-explorer/call-apis";
+import { Telemetry, redisClient } from "@biothings-explorer/utils";
+import Debug from "debug";
+const debug = Debug("bte:biothings-explorer-trapi:cron");
+import cron from "node-cron";
+import path from "path";
+import { stdout } from "process";
+import API_LIST from "../../config/api_list";
+import axios from "axios";
+const smartAPIPath = path.resolve(
+  __dirname,
+  process.env.STATIC_PATH ? `${process.env.STATIC_PATH}/data/smartapi_specs.json` : "../../../data/smartapi_specs.json",
+);
+const predicatesPath = path.resolve(
+  __dirname,
+  process.env.STATIC_PATH ? `${process.env.STATIC_PATH}/data/predicates.json` : "../../../data/predicates.json",
+);
+
+class SmartapiSpecError extends Error {
+  constructor(message: string) {
+    super(message);
+    this.name = "SmartapiSpecError";
+  }
+}
+
+function generateEdge(op: SmartAPIKGOperationObject, ex: TestExampleObject) {
+  return {
+    subject: {
+      categories: [op.association.input_type],
+      ids: [ex.qInput],
+      id: "n0"
+    },
+    object: {
+      categories: [op.association.output_type],
+      ids: [ex.oneOutput],
+      id: "n1"
+    },
+    predicates: ["biolink:" + op.association.predicate],
+    id: "e01",
+    frozen: true,
+  };
+}
+
+function generateId(op: SmartAPIKGOperationObject, ex: TestExampleObject) {
+  return `${op.association.api_name} ${ex.qInput}-${op.association.predicate}-${ex.oneOutput}`;
+}
+
+async function runTests(debug = false): Promise<{errors: Error[], opsCount: number }> {
+  let errors = [];
+  const metakg: MetaKG = global.metakg ? global.metakg : new MetaKG(smartAPIPath, predicatesPath);
+  if (!global.metakg) {
+    metakg.constructMetaKGSync(true);
+  }
+  const ops = metakg.ops;
+
+  let found = {};
+  let opsCount = 0;
+  let errCount = 0;
+  for (const op of ops) {
+    const includedAPI = API_LIST.include.find(x => x.id === op.association.smartapi.id);
+    if (!includedAPI || API_LIST.exclude.find(x => x.id === op.association.smartapi.id)) {
+      continue;
+    }
+    
+    // API is unreachable
+    if (found[op.association.smartapi.id] === false) {
+      continue;
+    }
+
+    // check if API is unreachable
+    if (!(op.association.smartapi.id in found)) {
+      try {
+        await axios.get(op.query_operation.server, { validateStatus: () => true, timeout: 5000, maxRedirects: 0 });
+        found[op.association.smartapi.id] = true;
+      } catch (e) {
+        console.log('fun')
+        console.log(op.association.api_name)
+        console.log(e)
+        found[op.association.smartapi.id] = false;
+        errors.push(new SmartapiSpecError(`[${includedAPI.name}]: API is unreachable`));
+        continue;
+      }
+    }
+
+    if (op.testExamples && op.testExamples.length > 0) {
+      opsCount++;
+      for (const example of op.testExamples) {
+        try {
+          const newMeta = new MetaKG(undefined, undefined, [op]);
+          const edge = new QEdge(generateEdge(op, example));
+          edge.subject.setEquivalentIDs({ [example.qInput]: { primaryID: example.qInput, equivalentIDs: [example.qInput], label: example.qInput, labelAliases: [], primaryTypes: [op.association.input_type], semanticTypes: [op.association.input_type] }})
+          const edgeConverter = new QEdge2APIEdgeHandler([edge], newMeta);
+          const APIEdges = await edgeConverter.convert([edge]);
+          const executor = new CallAPI(APIEdges, {}, redisClient);
+          const records = await executor.query(false, {});
+          if (records.filter(r => r.object.original === example.oneOutput).length <= 0) {
+            errors.push(new SmartapiSpecError(`[${generateId(op, example)}]: Record is missing`));
+            errCount++;
+          }
+        } catch (error) {
+          if (!error.message) error.message = "Error";
+          error.message = `[${generateId(op, example)}]: ${error.message}`;
+          errors.push(error);
+          errCount++;
+        }
+      }
+      if (debug) stdout.write("\r\r\r\r\r\r\r\r\r\r\r" + opsCount.toString().padStart(4, '0') + " (" + errCount.toString().padStart(4, '0') + ")");
+    }
+  }
+  if (debug) console.log("");
+
+  for (const api of API_LIST.include) {
+    if (API_LIST.exclude.find(x => x.id === api.id)) {
+      continue;
+    }
+    if (!(api.id in found)) {
+      errors.push(new SmartapiSpecError(`[${api.name}]: API does not have a spec`));
+    }
+  }
+
+  return { errors, opsCount }
+}
+
+export default function testSmartApi() {
+  // Env set in manual sync script
+  const sync_and_exit = process.env.SYNC_AND_EXIT === "true";
+  if (sync_and_exit) {
+    console.log("Testing SmartAPI specs with subsequent exit...");
+    runTests(true).then(data => {
+      if (data.errors.length === 0) {
+        console.log(`Testing SmartAPI specs successful. ${data.opsCount} operations tested.`);
+      }
+      else {
+        console.log(`Testing SmartAPI specs failed. ${data.errors.length} operations/APIs failed.`);
+        data.errors.forEach(err => {
+          console.log(`${err.message}${err instanceof SmartapiSpecError ? "" : "\n"+err.stack}`);
+        });
+      }
+      process.exit(0);
+    })
+    return;
+  }
+
+  cron.schedule("* * * * *", async () => {
+    debug(`Testing SmartAPI specs now at ${new Date().toUTCString()}!`);
+    const span = Telemetry.startSpan({ description: "smartapiTest" });
+    try {
+      let dbg_namespaces = Debug.disable();
+      const results = await runTests(false);
+      Debug.enable(dbg_namespaces)
+      if (results.errors.length === 0) {
+        debug(`Testing SmartAPI specs successful. ${results.opsCount} operations tested.`);
+      }
+      else {
+        debug(`Testing SmartAPI specs failed. ${results.errors.length} operations/APIs failed.`);
+        results.errors.forEach(err => {
+          debug(`${err.message}${err instanceof SmartapiSpecError ? "" : "\n"+err.stack}`);
+          Telemetry.captureException(err);
+        });
+      }
+    } catch (err) {
+      debug(`Testing SmartAPI specs failed! The error message is ${err.toString()}`);
+      Telemetry.captureException(err);
+    }
+    span.finish();
+  });
+}
\ No newline at end of file