support houndify stt (#498)

* support houndify stt * wip * test houdify stt credential * wip * wip * update verb specification
2026-01-25 02:08:24 +00:00 · 2025-10-14 11:52:49 +07:00
parent 8267ddaffd
commit bcff9b35a6
6 changed files with 474 additions and 42 deletions
--- a/lib/routes/api/speech-credentials.js
+++ b/lib/routes/api/speech-credentials.js
@@ -16,7 +16,8 @@ const {decryptCredential, testWhisper, testDeepgramTTS,
  testVoxistStt,
  testOpenAiStt,
  testInworld,
-  testResembleTTS} = require('../../utils/speech-utils');
+  testResembleTTS,
+  testHoundifyStt} = require('../../utils/speech-utils');
 const {DbErrorUnprocessableRequest, DbErrorForbidden, DbErrorBadRequest} = require('../../utils/errors');
 const {
  testGoogleTts,
@@ -124,6 +125,7 @@ const encryptCredential = (obj) => {
    role_arn,
    region,
    client_id,
+    client_key,
    client_secret,
    secret,
    nuance_tts_uri,
@@ -318,6 +320,13 @@ const encryptCredential = (obj) => {
      const assemblyaiData = JSON.stringify({api_key, service_version});
      return encrypt(assemblyaiData);

+    case 'houndify':
+      assert(client_id, 'invalid houndify speech credential: client_id is required');
+      assert(client_key, 'invalid houndify speech credential: client_key is required');
+      assert(user_id, 'invalid houndify speech credential: user_id is required');
+      const houndifyData = JSON.stringify({client_id, client_key, user_id});
+      return encrypt(houndifyData);
+
    case 'voxist':
      assert(api_key, 'invalid voxist speech credential: api_key is required');
      const voxistData = JSON.stringify({api_key});
@@ -970,6 +979,17 @@ router.get('/:sid/test', async(req, res) => {
          SpeechCredential.sttTestResult(sid, false);
        }
      }
+    } else if (cred.vendor === 'houndify') {
+      if (cred.use_for_stt) {
+        try {
+          await testHoundifyStt(logger, credential);
+          results.stt.status = 'ok';
+          SpeechCredential.sttTestResult(sid, true);
+        } catch (err) {
+          results.stt = {status: 'fail', reason: err.message};
+          SpeechCredential.sttTestResult(sid, false);
+        }
+      }
    } else if (cred.vendor === 'voxist') {
      const {api_key} = credential;
      if (cred.use_for_stt) {
--- a/lib/utils/speech-data/stt-houndify.js
+++ b/lib/utils/speech-data/stt-houndify.js
@@ -0,0 +1,19 @@
+module.exports = [
+  { name: 'English', value: 'en' },
+  { name: 'Spanish', value: 'es' },
+  { name: 'Portuguese', value: 'pt' },
+  { name: 'French', value: 'fr' },
+  { name: 'Indian-accented English', value: 'en-IN' },
+  { name: 'German', value: 'de' },
+  { name: 'Dutch', value: 'nl' },
+  { name: 'Italian', value: 'it' },
+  { name: 'Korean', value: 'ko' },
+  { name: 'Japanese', value: 'ja' },
+  { name: 'Mandarin', value: 'zh-CN' },
+  { name: 'Russian', value: 'ru' },
+  { name: 'Polish', value: 'pl' },
+  { name: 'Swedish', value: 'sv' },
+  { name: 'Arabic', value: 'ar' },
+  { name: 'Turkish', value: 'tr' },
+  { name: 'Hebrew', value: 'he' },
+];
--- a/lib/utils/speech-utils.js
+++ b/lib/utils/speech-utils.js
@@ -5,6 +5,7 @@ const sdk = require('microsoft-cognitiveservices-speech-sdk');
 const { SpeechClient } = require('@soniox/soniox-node');
 const fs = require('fs');
 const { AssemblyAI } = require('assemblyai');
+const Houndify = require('houndify');
 const {decrypt, obscureKey} = require('./encrypt-decrypt');
 const { RealtimeSession } = require('speechmatics');

@@ -45,6 +46,7 @@ const SttCobaltLanguagesVoices = require('./speech-data/stt-cobalt');
 const SttSonioxLanguagesVoices = require('./speech-data/stt-soniox');
 const SttSpeechmaticsLanguagesVoices = require('./speech-data/stt-speechmatics');
 const SttAssemblyaiLanguagesVoices = require('./speech-data/stt-assemblyai');
+const SttHoundifyLanguagesVoices = require('./speech-data/stt-houndify');
 const SttVoxistLanguagesVoices = require('./speech-data/stt-voxist');
 const SttVerbioLanguagesVoices = require('./speech-data/stt-verbio');
 const SttOpenaiLanguagesVoices = require('./speech-data/stt-openai');
@@ -595,6 +597,72 @@ const testAssemblyStt = async(logger, credentials) => {
  });
 };

+const testHoundifyStt = async(logger, credentials) => {
+  const {client_id, client_key, user_id} = credentials;
+
+  return new Promise((resolve, reject) => {
+    try {
+      // Read the test audio file
+      const audioBuffer = fs.readFileSync(`${__dirname}/../../data/test_audio.wav`);
+
+      // Create VoiceRequest for speech-to-text testing
+      const voiceRequest = new Houndify.VoiceRequest({
+        // Your Houndify Client ID and Key
+        clientId: client_id,
+        clientKey: client_key,
+
+        // Request info
+        requestInfo: {
+          UserID: user_id || 'test_user',
+          Latitude: 37.388309,
+          Longitude: -121.973968
+        },
+
+        // Audio format configuration
+        sampleRate: 16000,
+        enableVAD: true,
+
+        // Response and error handlers
+        onResponse: function(response, info) {
+          logger.debug({response, info}, 'Houndify STT response received');
+          if (response && response.AllResults && response.AllResults.length > 0) {
+            resolve(response);
+          } else {
+            reject(new Error('No transcription results received'));
+          }
+        },
+
+        onError: function(err, info) {
+          logger.error({err, info}, 'Houndify STT error');
+          reject(err);
+        },
+
+        onRecordingStarted: function() {
+          logger.debug('Houndify recording started');
+        },
+
+        onRecordingStopped: function() {
+          logger.debug('Houndify recording stopped');
+        }
+      });
+
+      // Send audio in chunks (VoiceRequest automatically starts when you write data)
+      const chunkSize = 1024;
+      for (let i = 0; i < audioBuffer.length; i += chunkSize) {
+        const chunk = audioBuffer.slice(i, i + chunkSize);
+        voiceRequest.write(chunk);
+      }
+
+      // End the request
+      voiceRequest.end();
+
+    } catch (error) {
+      logger.error({error}, 'Failed to create Houndify VoiceRequest');
+      reject(error);
+    }
+  });
+};
+
 const testVoxistStt = async(logger, credentials) => {
  const {api_key} = credentials;
  const response = await fetch('https://api-asr.voxist.com/clients', {
@@ -749,7 +817,12 @@ function decryptCredential(obj, credential, logger, isObscureKey = true) {
    const o = JSON.parse(decrypt(credential));
    obj.api_key = isObscureKey ? obscureKey(o.api_key) : o.api_key;
    obj.service_version = o.service_version;
-  }  else if ('resemble' === obj.vendor) {
+  } else if ('houndify' === obj.vendor) {
+    const o = JSON.parse(decrypt(credential));
+    obj.client_key = isObscureKey ? obscureKey(o.client_key) : o.client_key;
+    obj.client_id = o.client_id;
+    obj.user_id = o.user_id;
+  } else if ('resemble' === obj.vendor) {
    const o = JSON.parse(decrypt(credential));
    obj.api_key = isObscureKey ? obscureKey(o.api_key) : o.api_key;
    obj.resemble_tts_uri = o.resemble_tts_uri;
@@ -828,6 +901,8 @@ async function getLanguagesAndVoicesForVendor(logger, vendor, credential, getTts
      return await getLanguagesAndVoicesForResemble(credential, getTtsVoices, logger);
    case 'assemblyai':
      return await getLanguagesVoicesForAssemblyAI(credential, getTtsVoices, logger);
+    case 'houndify':
+      return await getLanguagesVoicesForHoundify(credential, getTtsVoices, logger);
    case 'voxist':
      return await getLanguagesVoicesForVoxist(credential, getTtsVoices, logger);
    case 'whisper':
@@ -1249,6 +1324,10 @@ async function getLanguagesVoicesForAssemblyAI(credential) {
  return tranform(undefined, SttAssemblyaiLanguagesVoices);
 }

+async function getLanguagesVoicesForHoundify(credential) {
+  return tranform(undefined, SttHoundifyLanguagesVoices);
+}
+
 async function getLanguagesVoicesForVoxist(credential) {
  return tranform(undefined, SttVoxistLanguagesVoices);
 }
@@ -1646,5 +1725,6 @@ module.exports = {
  testCartesia,
  testVoxistStt,
  testOpenAiStt,
-  testResembleTTS
+  testResembleTTS,
+  testHoundifyStt
 };
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
        "@jambonz/realtimedb-helpers": "^0.8.15",
        "@jambonz/speech-utils": "^0.2.25",
        "@jambonz/time-series": "^0.2.8",
-        "@jambonz/verb-specifications": "^0.0.115",
+        "@jambonz/verb-specifications": "^0.0.117",
        "@soniox/soniox-node": "^1.2.2",
        "ajv": "^8.17.1",
        "argon2": "^0.40.1",
@@ -33,6 +33,7 @@
        "express-rate-limit": "^7.2.0",
        "form-data": "^4.0.0",
        "helmet": "^7.1.0",
+        "houndify": "^3.1.14",
        "ibm-watson": "^9.0.1",
        "is-valid-hostname": "^1.0.2",
        "jsonwebtoken": "^9.0.2",
@@ -4254,9 +4255,9 @@
      }
    },
    "node_modules/@jambonz/verb-specifications": {
-      "version": "0.0.115",
-      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.115.tgz",
-      "integrity": "sha512-T2J5skCZBADaxePkFqpm0JYwr5Iu6e9zgvk6j0/4vD6lwK29GSoSdk2LCKUY6VH2GYdaN6r3dyIw4xpFVXuMfQ==",
+      "version": "0.0.117",
+      "resolved": "https://registry.npmjs.org/@jambonz/verb-specifications/-/verb-specifications-0.0.117.tgz",
+      "integrity": "sha512-yfnHWfqVRyE9ICBdVQV8CFwj0jDInpgMYdv9lI5c4iOmnYrJU3e/iFdrwM+abhFyZGL1Can9onynPW6RZFXXsw==",
      "license": "MIT",
      "dependencies": {
        "debug": "^4.3.4",
@@ -5841,7 +5842,6 @@
      "version": "1.0.7",
      "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.7.tgz",
      "integrity": "sha512-wvUjBtSGN7+7SjNpq/9M2Tg350UZD3q62IFZLbRAR1bSMlCo1ZaeW+BJ+D090e4hIIZLBcTDWe4Mh4jvUDajzQ==",
-      "dev": true,
      "dependencies": {
        "possible-typed-array-names": "^1.0.0"
      },
@@ -6133,15 +6133,15 @@
      }
    },
    "node_modules/call-bind": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
-      "integrity": "sha512-GHTSNSYICQ7scH7sZ+M2rFopRoLh8t2bLSW6BbgrtLsahOIB5iyAVJf9GjWK3cYTDaMj4XdBpM1cA6pIS0Kv2w==",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.8.tgz",
+      "integrity": "sha512-oKlSFMcMwpUg2ednkhQ454wfWiU/ul3CkJe/PEHcTKuiX6RpbehUiFMXu13HalGZxfUwCQzZG747YXBn1im9ww==",
+      "license": "MIT",
      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.0",
        "es-define-property": "^1.0.0",
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2",
        "get-intrinsic": "^1.2.4",
-        "set-function-length": "^1.2.1"
+        "set-function-length": "^1.2.2"
      },
      "engines": {
        "node": ">= 0.4"
@@ -6163,6 +6163,22 @@
        "node": ">= 0.4"
      }
    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
+      "integrity": "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
    "node_modules/callsites": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -6231,6 +6247,19 @@
        "ip6addr": "^0.2.2"
      }
    },
+    "node_modules/cipher-base": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.6.tgz",
+      "integrity": "sha512-3Ek9H3X6pj5TgenXYtNWdaBon1tgYCaebd+XPg0keyjEbEfkD4KkmAxkQ/i1vYvxdcT5nscLBfq9VJRmCBcFSw==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.4",
+        "safe-buffer": "^5.2.1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
    "node_modules/clean-stack": {
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -6417,6 +6446,42 @@
        "node": ">= 0.10"
      }
    },
+    "node_modules/create-hash": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
+      "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
+      "license": "MIT",
+      "dependencies": {
+        "cipher-base": "^1.0.1",
+        "inherits": "^2.0.1",
+        "md5.js": "^1.3.4",
+        "ripemd160": "^2.0.1",
+        "sha.js": "^2.4.0"
+      }
+    },
+    "node_modules/create-hmac": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
+      "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
+      "license": "MIT",
+      "dependencies": {
+        "cipher-base": "^1.0.3",
+        "create-hash": "^1.1.0",
+        "inherits": "^2.0.1",
+        "ripemd160": "^2.0.0",
+        "safe-buffer": "^5.0.1",
+        "sha.js": "^2.4.8"
+      }
+    },
+    "node_modules/cross-fetch": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.2.0.tgz",
+      "integrity": "sha512-Q+xVJLoGOeIMXZmbUK4HYk+69cQH6LudR0Vu/pRm2YlU/hDV9CiS0gKUMaWY5f2NeUH9C1nV3bsTlCo0FsTV1Q==",
+      "license": "MIT",
+      "dependencies": {
+        "node-fetch": "^2.7.0"
+      }
+    },
    "node_modules/cross-spawn": {
      "version": "7.0.6",
      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
@@ -6945,6 +7010,21 @@
        "es6-symbol": "^3.1.1"
      }
    },
+    "node_modules/es6-promise": {
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz",
+      "integrity": "sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==",
+      "license": "MIT"
+    },
+    "node_modules/es6-promisify": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "integrity": "sha512-C+d6UdsYDk0lMebHNR4S2NybQMMngAOnOwYBQjTOiv0MkoJMP0Myw2mgpDLBcpfCmRLxyFqYhS/CfOENq4SJhQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es6-promise": "^4.0.3"
+      }
+    },
    "node_modules/es6-symbol": {
      "version": "3.1.4",
      "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.4.tgz",
@@ -7294,6 +7374,42 @@
        "express": "4 || 5 || ^5.0.0-beta.1"
      }
    },
+    "node_modules/express-ws": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/express-ws/-/express-ws-5.0.2.tgz",
+      "integrity": "sha512-0uvmuk61O9HXgLhGl3QhNSEtRsQevtmbL94/eILaliEADZBHZOQUAiHFrGPrgsjikohyrmSG5g+sCfASTt0lkQ==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "ws": "^7.4.6"
+      },
+      "engines": {
+        "node": ">=4.5.0"
+      },
+      "peerDependencies": {
+        "express": "^4.0.0 || ^5.0.0-alpha.1"
+      }
+    },
+    "node_modules/express-ws/node_modules/ws": {
+      "version": "7.5.10",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+      "integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.3.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/express/node_modules/debug": {
      "version": "2.6.9",
      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -7542,12 +7658,18 @@
      }
    },
    "node_modules/for-each": {
-      "version": "0.3.3",
-      "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.3.tgz",
-      "integrity": "sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==",
-      "dev": true,
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.5.tgz",
+      "integrity": "sha512-dKx12eRCVIzqCxFGplyFKJMPvLEWgmNtUrpTiJIR5u97zEhRG8ySrtboPHZXx7daLxQVrl643cTzbab2tkQjxg==",
+      "license": "MIT",
      "dependencies": {
-        "is-callable": "^1.1.3"
+        "is-callable": "^1.2.7"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
      }
    },
    "node_modules/foreground-child": {
@@ -8012,6 +8134,20 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/hash-base": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.1.0.tgz",
+      "integrity": "sha512-1nmYp/rhMDiE7AYkDw+lLwlAzz0AntGIe51F3RfFfEqyQ3feY2eI/NcwC6umIQVOASPMsWJLJScWKSSvzL9IVA==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.6.0",
+        "safe-buffer": "^5.2.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
    "node_modules/hasha": {
      "version": "5.2.2",
      "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.2.tgz",
@@ -8056,6 +8192,99 @@
        "node": ">=16.0.0"
      }
    },
+    "node_modules/houndify": {
+      "version": "3.1.14",
+      "resolved": "https://registry.npmjs.org/houndify/-/houndify-3.1.14.tgz",
+      "integrity": "sha512-CLeEdihgeeTtKmcnlAXK/wDKbWDDUeZpbTQLAG2Guu2AbPxyH1f+HO04jiqA/RUlwAQxPZr3YRX/LaMbkEeb6w==",
+      "license": "MIT",
+      "dependencies": {
+        "axios": "^0.21.4",
+        "create-hmac": "^1.1.6",
+        "cross-fetch": "^3.1.5",
+        "express": "^4.17.0",
+        "express-ws": "^5.0.2",
+        "https-proxy-agent": "^2.2.4",
+        "json-bigint": "^1.0.0",
+        "pako": "^1.0.5",
+        "uuid": "^3.1.0",
+        "wav": "^1.0.2",
+        "ws": "^7.5.7"
+      }
+    },
+    "node_modules/houndify/node_modules/agent-base": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+      "integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
+      "license": "MIT",
+      "dependencies": {
+        "es6-promisify": "^5.0.0"
+      },
+      "engines": {
+        "node": ">= 4.0.0"
+      }
+    },
+    "node_modules/houndify/node_modules/axios": {
+      "version": "0.21.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+      "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.14.0"
+      }
+    },
+    "node_modules/houndify/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/houndify/node_modules/https-proxy-agent": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz",
+      "integrity": "sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "^4.3.0",
+        "debug": "^3.1.0"
+      },
+      "engines": {
+        "node": ">= 4.5.0"
+      }
+    },
+    "node_modules/houndify/node_modules/uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
+      "license": "MIT",
+      "bin": {
+        "uuid": "bin/uuid"
+      }
+    },
+    "node_modules/houndify/node_modules/ws": {
+      "version": "7.5.10",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+      "integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.3.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/html-escaper": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
@@ -8413,7 +8642,6 @@
      "version": "1.2.7",
      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.7.tgz",
      "integrity": "sha512-1BC0BVFhS/p0qtw6enp8e+8OD0UrK0oFLztSjNzhcKA3WDuJxxAPXzPuPtKkjEY9UUoEWlX/8fgKeu2S8i9JTA==",
-      "dev": true,
      "engines": {
        "node": ">= 0.4"
      },
@@ -8638,12 +8866,12 @@
      }
    },
    "node_modules/is-typed-array": {
-      "version": "1.1.13",
-      "resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.13.tgz",
-      "integrity": "sha512-uZ25/bUAlUY5fR4OKT4rZQEBrzQWYV9ZJYGGsUmEJ6thodVJ1HX64ePQ6Z0qPWP+m+Uq6e9UugrE38jeYsDSMw==",
-      "dev": true,
+      "version": "1.1.15",
+      "resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.15.tgz",
+      "integrity": "sha512-p3EcsicXjit7SaskXHs1hA91QxgTw46Fv6EFKKGS5DRFLD8yKnohjF3hxoju94b/OcMZoQukzpPpBE9uLVKzgQ==",
+      "license": "MIT",
      "dependencies": {
-        "which-typed-array": "^1.1.14"
+        "which-typed-array": "^1.1.16"
      },
      "engines": {
        "node": ">= 0.4"
@@ -8715,8 +8943,7 @@
    "node_modules/isarray": {
      "version": "2.0.5",
      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
-      "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==",
-      "dev": true
+      "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw=="
    },
    "node_modules/isexe": {
      "version": "2.0.0",
@@ -9218,6 +9445,17 @@
        "node": ">= 0.4"
      }
    },
+    "node_modules/md5.js": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
+      "integrity": "sha512-xitP+WxNPcTTOgnTJcrhM0xvdPepipPSf3I8EIpGKeFLjt3PlJLIDG3u8EX53ZIubkb+5U2+3rELYpEhHhzdkg==",
+      "license": "MIT",
+      "dependencies": {
+        "hash-base": "^3.0.0",
+        "inherits": "^2.0.1",
+        "safe-buffer": "^5.1.2"
+      }
+    },
    "node_modules/media-typer": {
      "version": "0.3.0",
      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -9971,6 +10209,12 @@
        "node": ">=8"
      }
    },
+    "node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
+      "license": "(MIT AND Zlib)"
+    },
    "node_modules/parent-module": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@@ -10217,7 +10461,6 @@
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/possible-typed-array-names/-/possible-typed-array-names-1.0.0.tgz",
      "integrity": "sha512-d7Uw+eZoloe0EHDIYoe+bQ5WXnGMOpmiZFTuMWCwpjzzkL2nTjcKiAk4hh8TjnGye2TwWOk3UXucZ+3rbmBa8Q==",
-      "dev": true,
      "engines": {
        "node": ">= 0.4"
      }
@@ -10636,6 +10879,16 @@
        "url": "https://github.com/sponsors/isaacs"
      }
    },
+    "node_modules/ripemd160": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
+      "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
+      "license": "MIT",
+      "dependencies": {
+        "hash-base": "^3.0.0",
+        "inherits": "^2.0.1"
+      }
+    },
    "node_modules/run-parallel": {
      "version": "1.2.0",
      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -10866,6 +11119,26 @@
      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
    },
+    "node_modules/sha.js": {
+      "version": "2.4.12",
+      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.12.tgz",
+      "integrity": "sha512-8LzC5+bvI45BjpfXU8V5fdU2mfeKiQe1D1gIMn7XUlF3OTUrpdJpPPH4EMAnF0DsHHdSZqCdSss5qCmJKuiO3w==",
+      "license": "(MIT AND BSD-3-Clause)",
+      "dependencies": {
+        "inherits": "^2.0.4",
+        "safe-buffer": "^5.2.1",
+        "to-buffer": "^1.2.0"
+      },
+      "bin": {
+        "sha.js": "bin.js"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
    "node_modules/shebang-command": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -11389,6 +11662,20 @@
        "real-require": "^0.2.0"
      }
    },
+    "node_modules/to-buffer": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.2.1.tgz",
+      "integrity": "sha512-tB82LpAIWjhLYbqjx3X4zEeHN6M8CiuOEy2JY8SEQVdYRe3CCHOFaqrBW1doLDrfpWhplcW7BL+bO3/6S3pcDQ==",
+      "license": "MIT",
+      "dependencies": {
+        "isarray": "^2.0.5",
+        "safe-buffer": "^5.2.1",
+        "typed-array-buffer": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
    "node_modules/to-regex-range": {
      "version": "5.0.1",
      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -11498,14 +11785,14 @@
      }
    },
    "node_modules/typed-array-buffer": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/typed-array-buffer/-/typed-array-buffer-1.0.2.tgz",
-      "integrity": "sha512-gEymJYKZtKXzzBzM4jqa9w6Q1Jjm7x2d+sh19AdsD4wqnMPDYyvwpsIc2Q/835kHuo3BEQ7CjelGhfTsoBb2MQ==",
-      "dev": true,
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/typed-array-buffer/-/typed-array-buffer-1.0.3.tgz",
+      "integrity": "sha512-nAYYwfY3qnzX30IkA6AQZjVbtK6duGontcQm1WSG1MD94YLqK0515GNApXkoxKOWMusVssAHWLh9SeaoefYFGw==",
+      "license": "MIT",
      "dependencies": {
-        "call-bind": "^1.0.7",
+        "call-bound": "^1.0.3",
        "es-errors": "^1.3.0",
-        "is-typed-array": "^1.1.13"
+        "is-typed-array": "^1.1.14"
      },
      "engines": {
        "node": ">= 0.4"
@@ -11900,15 +12187,17 @@
      "dev": true
    },
    "node_modules/which-typed-array": {
-      "version": "1.1.15",
-      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.15.tgz",
-      "integrity": "sha512-oV0jmFtUky6CXfkqehVvBP/LSWJ2sy4vWMioiENyJLePrBO/yKyV9OyJySfAKosh+RYkIl5zJCNZ8/4JncrpdA==",
-      "dev": true,
+      "version": "1.1.19",
+      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.19.tgz",
+      "integrity": "sha512-rEvr90Bck4WZt9HHFC4DJMsjvu7x+r6bImz0/BrbWb7A2djJ8hnZMrWnHo9F8ssv0OMErasDhftrfROTyqSDrw==",
+      "license": "MIT",
      "dependencies": {
        "available-typed-arrays": "^1.0.7",
-        "call-bind": "^1.0.7",
-        "for-each": "^0.3.3",
-        "gopd": "^1.0.1",
+        "call-bind": "^1.0.8",
+        "call-bound": "^1.0.4",
+        "for-each": "^0.3.5",
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
        "has-tostringtag": "^1.0.2"
      },
      "engines": {
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
    "@jambonz/realtimedb-helpers": "^0.8.15",
    "@jambonz/speech-utils": "^0.2.25",
    "@jambonz/time-series": "^0.2.8",
-    "@jambonz/verb-specifications": "^0.0.115",
+    "@jambonz/verb-specifications": "^0.0.117",
    "@soniox/soniox-node": "^1.2.2",
    "ajv": "^8.17.1",
    "argon2": "^0.40.1",
@@ -44,6 +44,7 @@
    "express-rate-limit": "^7.2.0",
    "form-data": "^4.0.0",
    "helmet": "^7.1.0",
+    "houndify": "^3.1.14",
    "ibm-watson": "^9.0.1",
    "is-valid-hostname": "^1.0.2",
    "jsonwebtoken": "^9.0.2",
--- a/test/speech-credentials.js
+++ b/test/speech-credentials.js
@@ -806,6 +806,29 @@ test('speech credentials tests', async(t) => {
    });
    t.ok(result.statusCode === 204, 'successfully deleted speech credential');

+    /* add a credential for houndify */
+    result = await request.post(`/Accounts/${account_sid}/SpeechCredentials`, {
+      resolveWithFullResponse: true,
+      auth: authUser,
+      json: true,
+      body: {
+        vendor: 'houndify',
+        use_for_stt: true,
+        client_key: "ClientKey",
+        client_id: "ClientID",
+        user_id: "test_user"
+      }
+    });
+    t.ok(result.statusCode === 201, 'successfully added speech credential for houndify');
+    const houndifySid = result.body.sid;
+
+    /* delete the credential */
+    result = await request.delete(`/Accounts/${account_sid}/SpeechCredentials/${houndifySid}`, {
+      auth: authUser,
+      resolveWithFullResponse: true,
+    });
+    t.ok(result.statusCode === 204, 'successfully deleted speech credential');
+
    /* add a credential for Voxist */
    result = await request.post(`/Accounts/${account_sid}/SpeechCredentials`, {
      resolveWithFullResponse: true,